BUSINESS FROM HOME MLM WORK ONLINE

Troy Dooly Personally Apologizes To Rod Cook & Len Clements

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Any court ruling on MLM/Network Marketing?

Hi,
Are there any laws or hard & fast rules toward MLM / Network Marketing Industry/Concepts/Companies laid out by Supreme Court in India?
Is MLM really banned in india? Any proofs?
Thanks

I recommend you do a little research with the MLM Search Engine. Being community driven it’s a cross between a search engine and a Wikipedia. You can add, delete and improve the results for much more focused answers than a general search engine can provide. http://www.search-mlm.com

LIC OF INDIA- ADHAR CORPORATE AGENCY-CHANNEL BUSINESS

Business From Home MLM Work Online

The Only MLM Secret You Need to Make Money in your Online Mlm Business

On a daily basis we are in touch with entrepreneurs that are seeking Mlm Success online. They ask us for all of our Network Marketing Secrets to accomplish the same success in their online MLM business. The first thing we find out from them is… “What kind of Mlm Training have you done?”

We are still shocked by the numbers of distributors in the MLM business that have NEVER had training. Whether you’re marketing your MLM business online or with traditional methods, getting the right MLM training is the only way to successs. We seem to accept that for most professional careers, Nurses, Lawyers, Doctors, Dentists, you MUST get trained. YEARS of training are mandatory. Why would it seem so absurd when someone opens their own Home Based Business that there should be some training involved?

There are some sophisticated Online Mlm Strategies that can seem confusing. SEO could be a word you’ve never heard before or you may not even know where to get started on Pay-Per-Click Marketing. Keep it simple.. Everyone wants the Mlm Secrets,they want them all now then then they hope for new prospects to be flocking to their MLM business, to get these those kinds of results and fully implement the MLM strategies online, you must understand the fundamental concepts.

Step 1: Do you fully understand Mike Dillard’s concept of Magentic Sponsoring?

Who is Mike Dillard? He is an Online MLM Legend. He went from waiting tables that obtained 7 Figure checks in just 18 months and has lead thousands of MLM business owners to their own online success by teaching them alternative MLM Training strategies to utilize revolutionary online techniques.

What makes Mike Dillard’s training so special?

Frank does not purchase the drill because he wants the actual drill. He needs to make a hole, that’s why he buys the drill. If you want to increase drill sales, demonstrate to your target market how they can make a better hole, simpler, quicker, and cheaper.

If the following topics are not part of your current Network Marketing Training, this is where you need to start.

1. Why does your MLM business revolve around YOU and not your Network Marketing Company

2. How to stop chasing suspects and get prospects chasing you.

3. How to create the most effective email follow-up campaign (on Autopilot).

4. Become a leader that people look to for advice and training.

5. Only create Targeted Prospects that are actually interested in your online business.

Your online Network Marketing Success will depend heavily on these 5 steps..

There are many different Mlm Secrets Online, there are tons of little techniques and strategies that the Online Gurus are implementing, but all of them would tell you to start with the meat and potatoes to build a strong foundation to your online MLM business. You must start to think like a Professional Network Marketer and a leader.

If you aren’t sold by the all the Top Mlm Marketing geniuses suggesting Magnetic Sponsoring as the fundamental piece of the foundation of your online MLM success, we want to offer you a 7-Day Magnetic Sponsoring Bootcamp, absolutely Free. We will show you have incredibly valuable this MLM training is to your Online business, and you won’t be charged a thing. This is your 1st big step on your way to your online MLM success and you are able to check out the best Network Marketing Secret that is revolutionizing the industry, one MLM business-owner at a time.

Make sure to sign up for free, and get your Mlm Online Training videos directly from Mike Dillard.

http://mvpworldwide.magneticsponsoringonline.com/

Take Action now and get your MLM business up and running. Learn the Network Marketing secrets that will take you directly to profit land.

About the Author

Toby and Layla are experts in helping Network Marketers like YOU succeed online. To Get Access to their Online Marketing Tips Click Here

{online Mlm Strategy} 5 Key Elements To Explode Your MLM

The Unemployed Millionaire: Escape the Rat Race, Fire Your Boss and Live Life on YOUR Terms! $22.95 A self-made millionaire shows you how to make millions while living life on your own termsAt just eighteen years old, Matt Morris founded his first marketing business. At twenty, he dropped out of college to pursue business full-time. At twenty-one, he was homeless and deeply in debt, living out of his car. It was then that he made a life-changing decision to re-invent himself and his career. By t...

Automate Your Marketing: What Network Marketers in MLM Organizations Need to Be Doing $4.70 If you're serious about maintaining contact with customers, supporting members of your downline, and building relationships with prospects, you need to automate your business. This book shows you how to automate all of the elements that are critical to building a monstrous organization. You will learn how to automate your marketing, how to automate a process for developing and maintaining relation...

Success Online (4-Disc Course) 5th Edition (Relationship Marketing in the New Millennium, Volume 1 & 2) $39.97 Max Steingart's Internet Series has been teaching breakthrough Internet strategies to people that produce immediate results for over eight years. Product contains: - Four CD-ROM Audio Series with over 5 hours of personal coaching. - Extensive eBook with powerful lessons....

Tropico 4 $27.72 Tropico 4 is a single player Strategy-City Building game in which players again take on the role of El Presidente, the dictator of the island paradise of Tropico. As in previous game versions you must take full control of the island, and in charting its path be and be seen by residents as anything from tyrannical to benevolent. Features include: a new campaign consisting of 20 missions on 10 new...

Kingdom Hearts Re:Chain of Memories $15.46 Kingdom Hearts Re: Chain of Memories bridges the gap between the original Kingdom Hearts and the sequel, Kingdom Hearts II. Chain of Memories from Square Enix for the Sony PlayStation 2 is a complete 3D remake of the original Game Boy Advance release from 2004. This "bridge" installment was released in Japan in 2007 as part of the Kingdom Hearts II Final Mix+ compilation before finally making its ...

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Small Business And The Network Marketing Model: Why Now Is The Time To Build A Home-Based Business

Now is a great time to start a home based business!  I know, I know!  The economy is in the toilet, banks are failing, people are losing their jobs – how can now be a great time to get started building a small business?

Regardless of what you might think, I am not crazy!  Yes, things are hard right now, but the opportunity is wide open for a savvy entrepreneur to make great things happen.  Consumers are still spending money, even in the midst of a recession.  They are just more selective of what they purchase and from whom.  Why shouldn’t they purchase from you?

Of all the business models available to market your product or services, the Network Marketing System is the most viable.  Network marketing has, over the years, been given a bad name, but it is making a strong comeback with solid companies featuring quality products and services, exemplary owners with incredible talent and wisdom, and excellent compensation plans.  With consumers now making many of their purchases online, the network marketer has many different ways available to market.

One of the beautiful things about network marketing is residual income. Residual income is income that continues to build long after you have done the work.  When you work a 9-5 job, or own a traditional business that has to be open 8 to 10 hours a day to make money, if you don’t show up for work or open your doors for business, you don’t earn an income.  As a network marketer builds a business, she will earn directly from selling her product or service, but then will continue to earn commissions based on that past sale.  So if she decides to take the day or week off from working her established business, her business will continue to produce income for her.

Here is what Robert Kiyosaki, the author of Rich Dad, Poor Dad, has to say about network marketing in his book, The Business School…

            “If I had to do it all over again, rather than build an old-style type business, I would have started building a Network Marketing Business.”

            “The richest people in the world build networks.  Everyone else is trained to look for work.”

            “Network marketing gives millions of people throughout the world the opportunity to take control of their lives and their financial future.”

Donald Trump also has plenty to say about network marketing…

            “Network marketing has proven itself to be a viable and rewarding source of income, and the challenges could be just right for you.  There have been some remarkable examples of success, and those successes have been earned through diligence, enthusiasm and the right product combined with timing.” 

Another advantage of building a network marketing business is that the company you decide to represent will teach you the business skills necessary to be successful.  You can learn while you build your business!  You will work with a team that will guide and direct you, and give you the time to make the mental, emotional and physical changes required to be successful in business.  Also, it generally doesn’t cost an arm and a leg to get started.  A traditional business can cost tens of thousands of dollars to get started, and you are on your own.  With anywhere from $100 to $500, you can start a new home-based business and get it moving toward success.

Now, I never said it would be easy to do this, but if you are willing to work hard, be teachable, and step out of your comfort zone, you will never have to fear the economy, the possibility of losing your “secure” job, or losing your retirement and investments again.  Wall Street won’t have as great an impact on this type of business as it does on traditional business or jobs.  Network marketing as your small business may be just what you need to build your future.

About the Author


Wendy Johnston of Freedom Marketing Group LLC specializes in educating people about natural health and wellness. She believes everyone can achieve the freedom they hope for with the right mentor and program. http://PurelyCleanSkin.com

Recession Proof your Income (Internet Network Marketing)

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A Home Based Business: The 21st Century Lifeboat: A Special Report for Your Family & Future ...

Recession Proof Your Income DVD $9.95 This amazing 7-minute DVD program provides a fresh recruiting tool that highlights present-day concerns many people have about the economy and presents direct selling as a way of securing oneââ'¬â"¢s lifestyle and bolstering income during an economic downturn.Recession-Proof Your Income discusses todayââ'¬â"¢s economic concerns in terms the average person can relate to: rising gas pr...

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where is the best site to find Mlm Training Videos?

Your company should have training videos specific to your company.

MLM Scam Review Sites…..www.MLMintegrityMarketing.com…..Bill Palte

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Business From Home MLM Work Online blog, marketing, social, tools, web2.0

Network Marketing Has Room For Corporate Executives From Traditional Business

With all the layoffs and downsizing going on there are more and more CE,s (corporate executives) entering network marketing everyday. One drawback is that the low productivity of their management styles can damage others and in network marketing there are no undeserved incomes. I say undeserved incomes and low productive management styles because these are some of the causes of corporate failure.

Jokes usually have an element of truth. This is no joke to Americans but it is used in other countries. It goes something like this. If US corporations can simply lay off managers and executives to increase their profits, what have those managers been doing for all these years? And the punch line is, They have been going to meetings to talk about having more meetings and writing memos about more memos on the way.

There are many Americans that worked hard to earn their MBA’s and then paid their dues for years to be promoted into management, only to find that they are not being very productive. There are some that assume huge responsibilities but the joke above and the fact that corporations on Wall street do downsize prove that most don’t. This downsizing has flooded the unemployment ranks and this is a major reason Why Mlm’s are getting better reputations.

It also is a major reason that trend predictors are calling for the MLM ranks to explode over the next decade. While these executives are well trained, competent, polished professionals and they carry with them a huge asset, respect, the traditional business methods will not work in MLM. The major difference is that meetings and memos can not build a Network Marketing Business. Mlm Industry leaders build by example and that means getting in the trenches and leading their team by recruiting. They can not sign a few reps up and expect those people to build their business for them. They have to keep recruiting and educate their team on methods that they can prove by doing it.

The two main challenges of the CE’s as they try their hand at network marketing are A= Since they have lost a lot of prestige and benefits like income, cars, trips, and other perks they may be desperate to get those back and B= Network marketing is a business without managers so they will not be able to transfer their management strategies from traditional business into this industry no matter how much conviction they have.

CE’s carry with them a wealth of education, experience and expertise and most sponsors will be tempted to listen to their advice. The respect that CE’s command will often intimidate their sponsors and that may sidetrack both their downline and upline by trying to incorporate their traditional business management styles and tools into our industry, even though it is detrimental.

No matter your background, you must not assume that a CE, even a big hitter, knows more about this industry than you. You must take control and show them exactly how different these industries are.

A lot of former CE’s are disgusted about their departure from traditional business, and as a sponsor, you have to concentrate your energy on the ones who seriously want to change and are at the right time in their careers to Join Mlm.

These are very smart people who know how to do research. A sponsors job is to quickly provide the information and resources for that research so the CE’s can make a decision. It will go one of three ways. 1. ready to begin now 2. not the right time (just follow up in 6 months) 3. not for them

All new distributors and especially CE’s must first learn that the road to success in this industry is with product usage, prospecting and recruiting. Meetings and memos are time wasters and offices and charts are money wasters.

Another huge difference in these industries is that traditional businesses encourage people to stress their strong points and accomplishments and network marketers teach you to use that too, but also to share your vulnerabilities and failures, which led you to this industry. Telling your personal story helps other people to relate and can open more doors for you.

Network marketing does not work when you try to delegate responsibilities. It only works when you lead by example. Building an organization of people who use and share products and their business building methods and then teaching others your system is what will build a residual income.

Emotional challenges like a lowered self image will plague CE’s who leave traditional businesses for MLM full time. Many part timers will worry about their bosses reactions and their spouses skepticism but, especially during the early stages, they must keep a positive attitude.

Single women have even greater challenges because they may be struggling to build their own MLM but also have other demands as wives, mothers, and female executives. They have to remember that even with even just average skills, if they have a strong drive, they can have great achievements.

Network marketing can and will change many lives once they discover that most importantly this is a business of personal growth and development.

And lastly, a big difference from the corporate world is that in MLM there is no threat to your job or position from your team as long as you edify and exalt your downline. Clinging  possessively to your methods and strategies will never lead to success. The road to success in this industry leads through GIVING the business to others.

There are lots of people who have tried and failed network marketing in the past and there is a fair number of these people that have since gone on to be quite successful in traditional business. A lot of those who have failed were handicapped from the start of their MLM careers simply because they were not taught effective strategies. Now they don’t think it will work and they badmouth the whole industry and, since they are successful in their traditional businesses, they have gained a lot of respect and are looked up to. That means that there are some very influential people out there with the wrong idea about this industry.

In defense, you must think about it logically. The ONLY way to be successful in this industry is to help other people become successful and the leaders are the ones that help the most people. Now, how in the world can any industry be bad that only works when you help others?

About the Author

Author - Dan Lambeth -Lead generation specialist. For free Twitter training; http://www.MLMBizWizard.com
If you are not getting the results you want out of your MLM, network marketing, or home based business then I can help you with my lead generation system that is loaded with free marketing training. For more information about this system see this blog-post and while you are there you can sign up for my newsletter and see 2 training videos:
http://danlambeth.com/blueprint-to-mlm-success

Build Your PrePaid Legal Business On Your Terms… “PrePaid Legal Services Insider”

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N19 Google Android OS Smart Touch Screen Cell Phone wholesale

N19 Google Android OS  Smart Touch Screen Cell Phone wholesale

Highlights

• WiFi - Check emails, connect online, or surf the Web with advanced WiFi technology.
• Touch Screen - Easy-to-use and responsive touch screen function for smooth navigating.              
• Bluetooth - High speed wireless technology.
• High Def PC Cam - The best quality pictures available from a phone! Connects to your PC for easy picture upload/downloading. 
• FM Radio - Pick up your favorite FM radio stations wherever you are

 Unlocked for Worldwide Use

This phone will work on GSM network frequencies 900/1800 MHz.Always confirm with your carriers or providers before buying this item. To check the specific network frequency for your carrier and region Click here

Storage Internal Memory  37M Packed with Memory Card  N/A Support Extend Card  2G Screen Display Size  3.2″ Screen Resolution  VGA(240×320 pixels) Screen Type  TFT Display Color  256K Support Format Ringtones Type  Polyphonic/MP3
Audio File Format  MP3/WAV/AMR/AWB Video File Format  3GP/MPEG4 (AVI)
Image File Format  JPEG/BMP/GIF E-book Format  TXT FM Radio  Yes Data Transfer & Connectivity Data Transfer  USB/Bluetooth GPRS  Yes Mobile internet  WAP Camera Camera Pictrue Resolution  1700×1100
Battery Stand-by Time  Up to 400 hours Talk Time  Up to 4 hours Power charger  USB/Travel Charger Input Input  Handwrite General Announced  2009.Sep
Languages  English,Arabic,Bulgarian,Catalan,Czech,Danish,German,
 Greek,Spanish,Finnish,French,Hebrew,Hindi,Indonesian,
 Italian,Japanese,Korean,Lithuanian,Latvian,Dutch,Polish,
 Romanian,Turkish,Ukrainian,Vietnamese
Phone Book  300 Entries Messaging  SMS/MMS Color  Black
Dimensions / W×D×H  106×56×15mm
    What’s in the Box

 1× Cellphone
 1× Wired stereo earphones with built-in MIC and clip
 1× Rechargeable Li-ion battery
 1× Phone to USB cable
 1× Power adapter (100-240V 50/60Hz)
 1× User manual - English

Additional Feaures:

• WIFI
• JAVA
• Bluetooth
• FM
• MP3 / MP4 player
• Calendar
• Calculator
• World time
• Currency converter
• Unit converter
• The wap
• MMS

Below Wholesale Electronics, Direct From China
Ebuir is a Chinese owned wholesale and dropship company located in Shenzhen, China right next to Hong Kong. Established in 2008, Ebuir was the first ever company to offer electronics dropshipping direct from the Mainland China market.

We buy exclusively from Chinese manufacturers who produce Consumer Electronics, Wholesale Cell Phones,Wholesale MP4 Players. Everything you see on Ebuir.com is made in China, and now you can buy these products at china Wholesale Mobile Phones prices, right here in our online wholesale shop.

About the Author

http://www.ebuir.com

Charleston Silvestre At Maguinhos Beach in Brazil

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Nasyid sempena boikot

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Multi-user Vs Client Server Application

There is no denying the fact that the server is a multi-user computer where there is no unusual hardware prerequisite that turns a computer into a server and as such the hardware platform needs to be preferred based on application demands and financial stringency. Servers for client/server applications work unsurpassed when they are configured with an operating system that supports shared memory, application isolation, and preemptive multitasking. An operating system with preemptive multitasking enables a higher priority task to preempt or take control of the processor from a currently executing, lower priority task. The server provides and controls shared access to server resources. Applications on a server must be isolated from each other so that an error in one cannot damage another. Preemptive multitasking ensures that no single task can take over all the resources of the server and thwart other tasks from providing service. There must be a means of defining the relative priority of the tasks on the server. These requirements are specific to the client/server accomplishment and not to the file server implementation. Because file servers execute only the single task of file service, they can operate in a more limited operating background without the need for application isolation and anticipatory multitasking.

The conventional minicomputer and mainframe hosts have acted as de facto enterprise servers for the network of terminals they support. Because the only functionality available to the terminal user is through the host, personal productivity data as well as business systems information is stored on this host server. Network services, application services, and database services are provided centrally from the host server. Many organizations download data from legacy enterprise servers for local manipulation at workstations. In the client/server model, the definition of server will continue to include these functions, perhaps still implemented on the same or similar platforms. Moreover, the advent of open systems based servers is facilitating the placement of services on many different platforms. Client/server computing is a phenomenon that developed from the ground up. Remote workgroups have needed to share expensive resources and have connected their desktop workstations into local area networks LANs have grown until they are pervasive in the organization. However, frequently, they are isolated one from the other. Many organizations have integrated the functionality of their dumb terminals into their desktop workstations to support character mode, host-based applications from the single workstation. The next wave of client/server computing is occurring now, as organizations of the mid-1990s begin to use the cheaper and more available processing power of the workstation as part of their enterprise systems. The Novell Network Operating System (NOS), NetWare, is the most widely installed LAN. It provides the premier file and print server supports. However, a limitation of NetWare for the needs of reliable client/server applications has been the requirement for an additional separate processor running as a database server. The availability of database server software—from companies such as Sybase and Oracle—to run on the NetWare server, is plateful to disseminate this limitation.

Apropos to the functions, Servers provide application, file, database, print, fax, image, communications, security, systems, and network management services. These are each described in some detail in the following sections. It is important to understand that a server is an architectural concept, not a physical implementation explanation. Client and server functions can be provided by the same physical device. With the movement toward peer computing, every device will potentially operate as a client and server in response to requests for service. Application servers provide business functionality to support the operation of the client workstation. In the client/server model these services can be provided for an entire or partial business function invoked through an Inter Process Communication (IPC) request for service. Either message-based requests RPCs can be used. A collection of application servers may work in concert to provide an entire business function. For example, in a payroll system the employee information may be managed by one application server, earnings calculated by another application server, and deductions calculated by a third application server. These servers may run different operating systems on various hardware platforms and may use different database servers. The client application invokes these services without consideration of the technology or geographic location of the various servers. Object technology provides the technical basis for the application server, and widespread acceptance of the CORBA standards is ensuring the viability of this trend. File servers provide record level data services to no database applications. Required memory space for storage is allocated, and free space is managed by the file server.

Catalog functions are provided by the file server to support file naming and directory structure. Filename maximum length ranges from 8 to 256 characters, depending on the particular server operating system support. Stored programs are typically loaded from a file server for execution on a client or host server platform. Database servers are managed by a database engine such as Sybase, IBM, Ingress, Informix, or Oracle. The file server provides the initial space, and the database engine allocates space for tables within the space provided by the file server. These host services are responsible for providing the specialized data services required of a database product—automatic blackout and recovery after power, hardware, or software failure, space management within the file, database reorganization, record locking, deadlock detection, and management. Print servers provide support to receive client documents, queue them for printing, prioritize them, and execute the specific print driver logic required for the selected printer. The print server software must have the necessary logic to support the unique characteristics of each printer. Effective print server support will include error recovery for jams and operator notification of errors with instructions for restart. Fax servers provide support similar to that provided by print servers. In addition, fax servers queue up outgoing faxes for later distribution when communications charges are lower. Because fax documents are distributed in compressed form using either Group III or Group IV compression, the fax server must be capable of dynamically compressing and decompressing documents for distribution, printing, and display. This operation is usually done through the addition of a fax card to the server. If faxing is rare, the software support for the compression and decompression options can be used. Image servers operate in a manner similar to fax servers.

Infrastructure servers provide support for wide area network (WAN) communications. This support typically includes support for a subset of IBM System Network Architecture (SNA), asynchronous protocols, X.25, ISDN, TCP/IP, OSI, and LAN-to-LAN NetBIOS communication protocols. In the Novell NetWare implementation, Gateway Communications provides a leading communications product. In the LAN Server and LAN Manager environments, OS/2 communications server products are available from IBM and DCA. In the Banyan VINES environment, the addition of DCA products to VINES provides support for SNA connectivity. UNIX servers provide a range of product add-ons from various vendors to support the entire range of communications requirements. VMS servers support Decent, TCP/IP, and SNA as well as various asynchronous and serial communications protocols. MVS servers provide support for SNA, TCP/IP, and some support for other asynchronous communications. Security at the server restricts access to software and data accessed from the server. Communications access is controlled from the communications server. In most implementations, the use of a user login ID is the primary means of security. Using LAN Server, some organizations have implemented integrated Response Access/Control Facility (RACF) security by creating profiles in the MVS environment and downloading those to the LAN server for domain control. Systems and network management services for the local LAN are managed by a LAN administrator, but WAN services must be provided from some central location. Typically, remote LAN management is done from the central data center site by trained MIS personnel. The discussion in the following sections more specifically describes the functions provided by the server in a NOS environment. Requests are issued by a client to the NOS services software resident on the client machine. These services format the request into an appropriate RPC and issue the request to the application layer of the client protocol stack. This request is received by the application layer of the protocol stack on the server. File services handle access to the virtual directories and files located on the client workstation and to the server’s permanent storage. These services are provided through the redirection software implemented as part of the client workstation operating environment.

To diminish the effort and effect of installation and maintenance of software, software should be loaded from the server for execution on the client. New versions can be updated on the server and made immediately available to all users. In addition, installation in a central location reduces the effort required for each workstation user to knob the installation process. Because each client workstation user uses the same installation of the software, optional parameters are consistent, and remote help desk operators are aware of them. This simplifies the analysis that must occur to provide support. Sharing information, such as word processing documents, is easier when everyone is at the same release level and uses the same default setup within the software. Central productivity services such as style sheets and macros can be set up for general use. Most personal productivity products do permit local parameters such as colors, default printers, and so forth to be set locally as well. Backups of the server can be scheduled and monitored by a trained support person. Backups of client workstations can be scheduled from the server, and data can be stored at the server to facilitate recovery. Tape or optical backup units are typically used for backup; these devices can readily provide support for many users. Placing the server and its backups in a secure location helps prevent theft or accidental destruction of backups. A central location is readily monitored by a support person who ensures that the backup functions are completed. With more organizations looking at multimedia and image technology, large optical storage devices are most appropriately implemented as shared servers. High-quality printers, workstation-generated faxes, and plotters are natural candidates for support from a shared server. The server can accept input from many clients, queue it according to the priority of the request and handle it when the device is available. Many organizations realize substantial savings by enabling users to generate fax output from their workstations and queue it at a fax server for transmission when the communication costs are lower. Incoming faxes can be queued at the server and transmitted to the appropriate client either on receipt or on request. In concert with workflow management techniques, images can be captured and distributed to the appropriate client workstation from the image server. In the client/server model, work queues are maintained at the server by a supervisor in concert with default algorithms that determine how to distribute the queued work. Incoming paper mail can be converted to image form in the mail room and sent to the appropriate client through the LAN rather than through interoffice mail. Centralized capture and distribution enable images to be centrally indexed. This index can be maintained by the database services for all authorized users to query. In this way, images are captured once and are available for distribution immediately to all authorized users. Well-defined standards for electronic document management will allow this technology to become fully integrated into the desktop work environment. There are dramatic opportunities for cost savings and improvements in efficiency if this technology is properly implemented and used. Article 10 discusses in more detail the issues of electronic document management.

In the early hours database servers were actually file servers with a different interface. Products such as dBase, Clipper, FoxPro, and Paradox execute the database engine primarily on the client machine and use the file services provided by the file server for record access and free space management. These are new and more powerful implementations of the original flat-file models with extracted indexes for direct record access. Currency control is managed by the application program, which issues lock requests and lock checks, and by the database server, which creates a lock table that is interrogated whenever a record access lock check is generated. Because access is at the record level, all records satisfying the primary key must be returned to the client workstation for filtering. There are no facilities to execute procedural code at the server, to execute joins, or to filter rows prior to returning them to the workstation. This lack of capability dramatically increases the likelihood of records being locked when several clients are accessing the same database and increases network traffic when many unnecessary rows are returned to the workstation only to be rejected. The lack of server execution logic prevents these products from providing automatic partial update blackout and recovery after an application, system, or hardware failure. For this reason, systems that operate in this environment require an experienced system support programmer to assist in the recovery after a failure. When the applications are very straightforward and require only a single row to be updated in each interaction, this recovery issue does not arise. However, many client/server applications are required to update more than a single row as part of one logical unit of work. Client/server database engines such as Sybase, IBM’s Database Manager, Ingress, Oracle, and Informix provide support at the server to execute SERVER APPLICATION requests issued from the client workstation. The file services are still used for space allocation and basic directory services, but all other services are provided directly by the database server. Relational database management systems are the current technology for data management. The major disadvantage with the hierarchical technique is that only applications that access data according to its physical storage sequence benefit from locality of reference. Changes to application requirements that necessitate a different access approach require the data to be reorganized. This process, which involves reading, sorting, and rewriting the database into a new sequence, is not transparent to applications that rely on the original physical sequence. Indexes that provide direct access into the database provide the capability to view and access the information in a sequence other than the physical sequence. However, these indexes must be known to the user at the time the application is developed. The developer explicitly references the index to get to the data of interest. Thus, indexes cannot be added later without changing all programs that need this access to use the index directly. Indexes cannot be removed without changing programs that currently access the index. Most implementations force the application developer to be sensitive to the ordering and occurrence of columns within the record. Thus, columns cannot be added or removed without changing all programs that are sensitive to these records. Application sensitivity to physical implementation is the main problem with hierarchical database systems. Application sensitivity to physical storage introduced considerable complexity into the navigation as application programmers traverse the hierarchy in search of their desired data. Attempts by database vendors to improve performance have usually increased the complexity of access. If life is too easy today, try to create a bidirectional virtually paired IMS logical relationship; that is why organizations using products such as IMS and IDMS usually have highly paid database technical support staff. As hardware technology evolves, it is important for the data management capabilities to evolve to use the new capabilities. Relational database technology provides the current data management solution to many of the problems inherent in the flat-file and hierarchical technologies. In the late 1970s and early 1980s, products such as Software AG’s ADABAS and System 2000 were introduced in an attempt to provide the application flexibility demanded by the systems of the day. IBM with IMS and Cull net with IDMS attempted to add features to their products to increase this flexibility. The first relational products were introduced by ADR with Dotcom DB and Computer Corporation of America with Model 204. Each of these implementations used extracted indexes to provide direct access to stored data without navigating the database or sorting flat files. All the products attempted to maintain some of the performance advantages afforded by locality of reference (storage of related columns and records as close as possible to the primary column and record).

The development of a relational algebra defining the operations that can be performed between tables has enabled efficient implementations of RDBMS. The establishment of industry standards for the definition of and access to relational tables has speeded the acceptance of RDBMS as the de facto standard for all client/server applications today. Similar standards do not yet exist for OODBMSs. There is a place for both models. To be widely used, OODBMSs need to integrate transparently with RDBMS technology. Table 4.1 compares the terminology used by RDBMS and OODBMS proponents. Relational databases are characterized by a simple data structure. All access to data and relationships between tables are based on values. A data value occurrence is uniquely determined by the concatenation of the table name, column name, and the value of the unique identifier of the row (the primary key). Relationships between tables are determined by a common occurrence of the primary key values. Applications build a view of information from tables by doing a join based on the common values. The result of the join is another table that contains a combination of column values from the tables involved in the stick together. There remain some applications for which RDBMS have not achieved acceptable performance. Primarily, these are applications that require very complex data structures. Thousands of tables may be defined with many relationships among them. Frequently, the rows are sparsely populated, and the applications typically require many rows to be linked, often recursively, to produce the necessary view. The major vendors in this market are Objectivity Inc., Object Design, onto, and Versant. Other vendors such as HP, Borland, and Ingress have incorporated object features into their products. The application characteristics that lead to an OODBMS choice are shown in Figure 4.3. OODBMS will become production capable for these types of applications with the introduction of 16Mbps D-RAM and the creation of persistent (permanent) databases in D-RAM. Only the logging functions will use real I/O. Periodically, D-RAM databases will be backed up to real magnetic or optical disk storage. During 1993, a significant number of production OODBMS applications were implemented. With the confidence and experience gained from these applications, the momentum is building, and 1994 and 1995 will see a significant increase in the use of OODBMSs for business critical applications. OODBMSs have reached a maturity level coincident with the demand for multimedia enabled applications. The complexities of dealing with multimedia demands the features of OODBMS for effective storage and manipulation.

Client/server applications require LAN and WAN communication services. Basic LAN services are integral to the NOS. WAN services are provided by various communications server products. Article 5 provides a complete discussion of connectivity issues in the client/server model. Client/server applications require similar security services to those provided by host environments. Every user should be required to log in with a user ID and password. If passwords might become visible to unauthorized users, the security server should insist that passwords be changed regularly. The enterprise on the desk implies that a single logon ID and logon sequence is used to gain the authority once to access all information and process for the user has a need and right of access. Because data may be stored in a less physically secure area, the option should exist to store data in an encrypted form. A combination of the user ID and password should be required to decrypt the data. New options, such as floppy less workstation with integrated data encryption standard (DES) coprocessors, are available from vendors such as Beaver Computer Company. These products automatically encrypt or decrypt data written or read to disk or a communication line. The encryption and decryption are done using the DES algorithm and the user password. This ensures that no unauthorized user can access stored data or communications data. This type of security is particularly useful for laptop computers participating in client/server applications, because laptops do not operate in surroundings with the same physical security of an office. To be able to access the system from a laptop without properly utilizing an ID number and password would be courting disaster. NetWare is a family of LAN products with support for IBM PC-compatible and Apple Macintosh clients and IBM PC-compatible servers. NetWare is a proprietary NOS in the strict sense that it does not require another OS, such as DOS, Windows, Windows NT, OS/2, Mac System 7, or UNIX to run on a server. A separate Novell product—Portable NetWare for UNIX—provides server support for leading RISC-based UNIX implementations, IBM PC-compatible systems running Windows NT, OS/2, high-end Apple Macs running Mac System 7, and Digital Equipment Corporation VAXs running VMS. NetWare provides the premier LAN environment for file and printer resource sharing. It had 62 percent of the market share in 1993. It is widely installed as the standard product in many organizations.

Suffice it to say that LAN Manager and its IBM derivative, LAN Server, are the standard products for use in client/server implementations using OS/2 as the server operating system. LAN Manager/X is the standard product for client/server implementations using UNIX System V as the server operating system. Microsoft released its Advanced Server product with Windows NT in the third quarter of 1993. During 1994, it will be enhanced with support for the Microsoft network management services, currently referred to as “Hermes,” and Banyan’s Enterprise Network Services (ENS). Advanced Server is the natural migration path for existing Microsoft LAN Manager and IBM LAN Server customers. Existing LAN Manager/X customers probably won’t find Advanced Server an answer to their dreams before 1995. AT&T has taken over responsibility for the LAN Manager/X version. Vendors such as Hewlett-Packard (HP) have reticence the product from AT&T. AT&T and Microsoft has an agreement to maintain compatible APIs for all base functionality. LAN Manager and Advanced Server provide client support for DOS, Windows, Windows NT, OS/2, and Mac System 7. Server support extends to NetWare, AppleTalk, UNIX, Windows NT, and OS/2. Client workstations can access data from both NetWare and LAN Manager Servers at the same time. LAN Manager supports NetBIOS and Named Pipes LAN communications between clients and OS/2 servers. Redirection services are provided to map files and printers from remote workstations for client use. Advanced Server also supports TCP/IP communication. In early 1994, Advanced Server still will be a young product with many missing pieces. Even more troublesome, competitiveness between Microsoft and Novell is delaying the release of client requestor software and NetWare Core Protocol (NCP) support. Microsoft has added TCP/IP support to LAN Manager 2.1 and Advanced Server along with Net View and Simple Network Management Protocol (SNMP) agents. Thus, the tools are in place to provide remote LAN management for LAN Manager LANs. Microsoft has announced support for IBM Net View 6000 for Advanced Server management.

Advanced Server provides integrated support for peer-to-peer processing and client/server applications. Existing support for Windows NT, OS/2, UNIX, and Mac System 7 clients lets application, database, and communication servers run on the same machine as the file and print server. This feature is attractive in small LANs. The native operating system support for preemptive multitasking and storage protection ensures that these server applications do not reduce the reliability of other services. Even as Windows NT is rolled out to provide the database, application, and communications services to client/server applications, the use of Novell as the LAN NOS of choice will continue for peripheral resource sharing applications. Microsoft has attempted to preempt the small LAN market with its Windows for Workgroups product. This attacks the same market as NetWare Lite with a low-cost product that is tightly integrated with Windows. It is an attractive option for small organizations without a requirement for larger LANs. The complexities of systems management make it less attractive in an enterprise environment already using Novell. WWW can be used in conjunction with Novell for a workgroup wishing to use some WFW services, such as group scheduling. IBM has entered into an agreement to resell and integrate the Novell NetWare product into environments where both IBM LAN Server and Novell NetWare are required. NetWare provides more functional, easier-to-use, and higher-performance file and print services. In environments where these are the only LAN functions, NetWare is preferable to LAN Manager Derivatives. The capability to interconnect to the SNA world makes the IBM product LAN Server attractive to organizations that prefer to run both products. Most large organizations have department workgroups that require only the services that Novell provides well but may use LAN Server for client/server applications using SNA services such as APPN. IBM and Microsoft had an agreement to make the APIs for the two products equivalent. However, the dispute between the two companies over Windows 3.x and OS/2 has ended this cooperation. The most recent releases of LAN Manager NT 3 and LAN Server 3 are closer to the agreed equivalency, but there is no guarantee that this will continue. In fact, there is every indication that the products will diverge with the differing server operating system focuses for the two companies. IBM has priced LAN Server very attractively so that if OS/2 clients are being used, LAN Server is a low-cost option for small LANs. LAN Server supports DOS, Windows, and OS/2 clients. No support has been announced for Mac System 7, although it is possible to interconnect AppleTalk and LAN Server LANs to share data files and communication services.

Street Talk enables resources to be uniquely identified on the network, making them easier to access and manage. All resources, including file services, users, and printers, are defined as objects. Each object has a Street Talk name associated with it. Street Talk names follow a three-level hierarchical format: Item@Group@Organization. For example, a user can be identified as Psmith@Cerritos@Tnet. All network objects are stored in a distributed database that can be accessed globally. Novell’s NDS is similar to Street Talk in functionality. However, there are key differences. NDS can partition and replicate the database, which will generally improve performance and reliability. NDS is X.500-compliant and enables multiple levels of hierarchy. Street Talk supports a fixed three-level hierarchy. The NDS architecture offers more flexibility but with corresponding complexity and Street Talk is less flexible but fewer complexes to manage. One advantage the current version of Street Talk has over NDS is that Street Talk objects can have unlimited attributes available for selection. Novell and Microsoft have announced support for Banyan ENS within their products to be available in Q2 1994. Banyan and DCA provide SNA services to the VINES environment. VINES support UNIX, DOS, Windows, OS/2, and Mac System 7 clients. NFS is the standard file system support for UNIX. PC NFS is available from Sun Select and FTP to provide file services support from a UNIX server to Windows, OS/2, Mac, and UNIX clients. Client/server computing requires that LAN and WAN topologies be in place to provide the necessary internetworking for shared applications and data. Gartner Group1 surveyed and estimated the Microsystems’ integration topologies for the period 1986-1996; the results appear in Figure 4.6. Of special interest is the projection that most workstations will be within LANs by 1996, but only 14 percent will be involved in an enterprise LAN by that date. These figures represent a fairly pessimistic outlook for interconnected LAN-to-LAN and enterprise-wide connectivity. These figures probably will prove to be substantially understated if organizations adopt an architectural perspective for the selection of their platforms and tools and use these tools within an organizationally optimized systems development environment (SDE). Routers and communication servers will be used to provide communication services between LANs and into the WAN. In the client/server model, these connections will be provided transparently by the SDE tools. There are significant performance implications if the traffic volumes are large. IBM’s LU6.2 implementation in APPC and TCP/IP provides the best support for high-volume, LAN-to-LAN/WAN communications. DEC’s implementation of DECnet always has provided excellent LAN-to-WAN connectivity. Integrated support for TCP/IP, LU6.2, and IPX provides a solid platform for client/server LAN-to-WAN implementation within DECnet.

The lack of real estate on the desktop encouraged most organizations to move to a single device—using terminal emulation from the workstation—to access existing mainframe applications. It will take considerable time and effort before all existing host-based applications in an organization are replaced by client/server applications. In the long term, the host will continue to be the location of choice for enterprise database storage and for the provision of security and network management services. Mainframes are expensive to buy and maintain, hard to use, inflexible, and large, but they provide the stability and capacity required by many organizations to run their businesses. As Figure 4.7 notes, in the view of International Data Corporation, they will not go away soon. Their roles will change, but they will be around as part of the enterprise infrastructure for many more years. Only organizations who create an enterprise architecture strategy and transformational plans will accomplish the migration to client/server in less than a few years. Without a well-architected strategy, gradual evolution will produce failure. Information that is of value or interest to the entire business must be managed by a central data administration function and appear to be stored on each user’s desk. These applications are traditionally implemented as Online Transaction Processing (OLTP) to the mainframe or minicomputer. With the client/server model, it is feasible to use database technology to replicate or migrate data to distributed servers. Wherever data resides or is used, the location must be transparent to the user and the developer. Data should be stored where it best meets the business need. Online Transaction Processing applications are found in such industries as insurance, finance, government, and sales—all of which process large numbers of transactions. Each of these transactions requires a minimal amount of user think time to process. In these industries, data is frequently collected at the source by the knowledgeable worker. As such, the systems have high requirements for availability, data integrity, performance, concurrent access, growth potential, security, and manageability. Systems implemented in these environments must prove their worth or they will be rejected by an empowered organization. They must be implemented as an integral part of the job process. OLTP has traditionally been the domain of the large mainframe vendors—such as IBM and DEC—and of special-purpose, fault-tolerant processors from vendors such as Tandem and Stratus. The client/server model has the capability to provide all the services required for OLTP at much lower cost than the traditional platforms. All the standard client/server requirements for a GUI—application portability, client/server function partitioning, software distribution, and effective development tools—exist for OLTP applications. The first vendor to deliver a production-quality product in this arena is Cooperative Solutions with its Ellipse product. Prior to Ellipse, OLTP systems required developers to manage the integrity issues of unit-of-work processing, including currency control and transaction rollback. Ellipse provides all the necessary components to build systems with these features. Ellipse currently operates with Windows 3.x, OS/2 clients, and OS/2 servers using the Sybase database engine. Novell is working with Cooperative Solutions to port Ellipse as a Novell NetWare Loadable Module (NLM). It provides a powerful GUI development environment using a template language as shorthand for development. This language provides a solid basis for building an organizational SDE and lends itself well to the incorporation of standard components. As UNIX has matured, it has added many of the features found in other commercial operating systems such as VMS and MVS. There are now several offerings for OLTP with UNIX. IBM is promoting CICS 6000 as a downsizing strategy for CICS MVS. Database services will be provided by a combination of AIX and MVS servers.

With the release of Windows NT (New Technology) in September of 1993, Microsoft staked its unique position with a server operating system. Microsoft’s previous development of OS/2 with IBM did not create the single standard UNIX alternative that was hoped for. NT provides the preemptive multitasking services required for a functional server. It provides excellent support for Windows clients and incorporates the necessary storage protection services required for a reliable server operating system. Its implementation of C2 level security goes well beyond that provided by OS/2 and most UNIX implementations. It will take most of 1994 to get the applications and rugged zing necessary to provide an industrial strength platform for business critical applications. With Microsoft’s prestige and marketing muscle, NT will be installed by many organizations as their server of choice. IBM provides MVS as a platform for large applications. Many of the existing application services that organizations have purchased operate on System 370-compatible hardware running MVS. The standard networking environment for many large organizations—SNA—is a component of MVS. IBM prefers to label proprietary systems today under the umbrella of SAA. The objective of SAA is to provide all services on all IBM platforms in a compatible way—the IBM version of the single-system image. There is a commitment by IBM to provide support for the LAN Server running natively under MVS. This is an attractive option for organizations with large existing investments in MVS applications. The very large data storage capabilities provided by System 370-compatible platforms with MVS make the use of MVS for LAN services attractive to large organizations. MVS provides a powerful database server using DB2 and LU6.2. With broad industry support for LU6.2, requests that include DB2 databases as part of their view can be issued from a client/server application. Products such as Sybase provide high-performance static SERVER APPLICATION support, making this implementation viable for high-performance production applications. Digital Equipment Corporation provides OPENVMS as its server platform of choice. VMS has a long history in the distributed computing arena and includes many of the features necessary to act as a server in the client/server model. DEC was slow to realize the importance of this technology, and only recently did the company enter the arena as a serious vendor. NetWare supports the use of OPENVMS servers for file services. DEC provides its own server interface using a LAN Manager derivative product called Patchworks. Patchworks run native on the VAX and RISC Alpha RXP. This is a particularly attractive configuration because it provides access on the same processor to the application, database, and file services provided by a combination of OPENVMS, NetWare, and LAN Manager. Digital and Microsoft have announced joint agreements to work together to provide a smooth integration of Windows, Windows NT, Patchworks, and OPENVMS. This will greatly facilitate the migration by OPENVMS customers to the client/server model. VAX OPENVMS support for database products such as RDB, Sybase, Ingress, and Oracle enables this platform to execute effectively as a database server for client/server applications. Many organizations have large investments in VAX hardware and DECnet networking. The option to use these as part of client/server applications is attractive as a way to maximize the value of this investment. DECnet provides ideal support for the single-system image model. LAN technology is fundamental to the architecture of DECnet. Many large organizations moving into the client/server world of computing have standardized on DECnet for WAN processing. For example, Kodak selected Digital as its networking company even after selecting IBM as its mainframe outsourcing company.

UNIX is a primary player as a server system in the client/server model. Certainly, the history of UNIX in the distributed computing arena and its open interfaces provide an excellent opportunity for it to be a server of choice. To understand what makes it an open operating system, look at the system’s components. UNIX was conceived in the early 1970s by AT&T employees as an operating environment to provide services to software developers who were discouraged by the incompatibility of new computers and the lack of development tools for application development. The original intention of the UNIX architecture was to define a standard set of services to be provided by the UNIX kernel. These services are used by a shell that provides the command-line interface. Functionality is enhanced through the provision of a library of programs. Applications are built up from the program library and custom code. The power and appeal of UNIX lie in the common definition of the kernel and shell and in the large amount of software that has been built and is available. Applications built around these standards can be ported to many different hardware platforms. The objectives of the original UNIX were very comprehensive and might have been achieved except that the original operating system was developed under the auspices of AT&T. Legal ramifications of the consent decree governing the breakup of the Regional Bell Operating Companies (RBOCs) prevented AT&T from getting into the computer business. As a result, the company had little motivation early on to promote UNIX as a product. To overcome this, and in an attempt to achieve an implementation of UNIX better suited to the needs of developers, the University of California at Berkeley and other institutions developed better varieties of UNIX. As a result, the original objective of a portable platform was compromised. The new products were surely better, but they were not compatible with each other or the original implementation. Through the mid-1980s, many versions of UNIX that had increasing functionality were released. IBM, of course, entered the fray in 1986 with its own UNIX derivative, AIX. Finally, in 1989, an agreement was reached on the basic UNIX kernel, shell functions, and APIs. The computing community is close to consensus on what the UNIX kernel and shell will look like and on the definition of the specific APIs. Figure 4.8 shows the components of the future standard UNIX operating system architecture.

During all of these gyrations, one major UNIX problem has persisted that differentiates it from DOS, Windows NT, and OS/2 in the client/server world. Because the hardware platforms on which UNIX resides come from many manufacturers and are based on many different chip sets, the “off-the-shelf” software that is sold for PCs is not yet available for UNIX. Software is sold and distributed in its executable form, so it must be compiled and linked by the developer for the target platform. This means that organizations wishing to buy UNIX software must buy it for the specific target platform they are using. This also means that when they use many platforms in a distributed client/server application, companies must buy different software versions for each platform.

UNIX is particularly desirable as a server platform for client/server computing because of the large range of platform sizes available and the huge base of application and development software available. Universities are contributing to the UNIX momentum by graduating students who see only UNIX during their student years. Government agencies are insisting on UNIX as the platform for all government projects. The combination of these pressures and technology changes should ensure that UNIX compatibility will be mandatory for server platforms in the last half of this decade. OSF initially developed Motif, a graphical user interface for UNIX, that has become the de facto UNIX GUI standard. The Distributed Computing Environment (DCE) is gaining acceptance as the standard for distributed application development although its Distributed Management Environment has yet to achieve such widespread support. OSF/1, the OSF defined UNIX kernel, has been adopted only by DEC, although most other vendors have made promises to support it. OSF/1 brings the promise of a UNIX micro kernel more suitable to the desktop environment than existing products. The desire for a standard UNIX encourages other organizations. For example, the IEEE tackled the unified UNIX issue by establishing a group to develop a standard portable operating system called POSIX. The objective is to develop an ANSI standard operating system. POSIX isn’t UNIX, but it is UNIX-like. POSIX standards (to which most vendors pledge compliance) exist today. DEC’s OPENVMS operating system, for example, supports published POSIX standards. POSIX at this point, however, does little to promote interoperability and portability because so little of the total standard has been finalized. Simple applications that will run across different POSIX-compliant platforms will be written. However, they will be limited applications because developers will be unable to use any of the rich, non-POSIX features and functions that the vendors offer beyond the basic POSIX-compliant core. X/Open started in Europe and has spread to include most major U.S. computer makers. X/Open is having significant impact in the market because its goal is to establish a standard set of Application Programming Interfaces (APIs) that will enable interoperability. These interfaces are published in the X/Open Portability Guide. Applications running on operating systems that comply with these interfaces will communicate with each other and interoperate, even if the underlying operating systems are different. This is the key objective of the client/server model. The COSE announcement by HP, IBM, SCO, Sun, and Univel (Novell/USL) in March 1993 at the Uniforms Conference is the latest attempt to create a common ground between UNIX operating systems. The initial COSE announcement addresses only the user’s desktop environment and graphical user interface; although in time it is expected to go further. COSE is a more pragmatic group attempting to actually “get it done.” Another major difference from previous attempts to create universal UNIX standards is the involvement of SCO and Sun. These two organizations own a substantial share of the UNIX market and have tended to promote proprietary approaches to the desktop interface. SCO provides its Open Desktop environment, and Sun offers Open Look. The commitment to Motif is a significant concession on their part and offers the first real opportunity for complete vendor interoperability and user transparency to platform.

In October of 1993, Novell decided to bestow the rights to the UNIX name to X/Open so that all vendors can develop to the UNIX standards and use the UNIX name for their products. This largely symbolic gesture will eliminate some of the confusion in the marketplace over what software is really UNIX. COSE is looking beyond the desktop to graphics, multimedia, object technology, and systems management. Networking support includes Novell’s NetWare UNIX client networking products, OSF’s DCE, and SunSoft’s Open Network Computing. Novell has agreed to submit the NetWare UNIX client to X/Open for publication as a standard. In the area of graphics, COSE participants plan to support a core set of graphics facilities from the X Consortium, the developer of X Windows. Addressing multimedia, the COSE participants plan to submit two joint specifications in response to the Interactive Multimedia Association’s request for technology. One of those specifications, called Distributed Media Services (DMS), defines a network-independent infrastructure supporting an integrated API and data stream protocol. The other—the Desktop Integrated Media Environment—will define multimedia access and collaboration tools, including at least one basic tool for each data type supported by the DMS infrastructure. The resulting standard will provide users with consistent access to multimedia tools in MultiFinder environments. COSE also addresses object technology, an area targeted by IBM and Sun. The group will support the efforts of the Object Management Group (OMG) and its Common Object Request Broker (CORBA) standard for deploying and using distributed objects. IBM already has a CORBA-compliant object system in beta test for AIX. Sun built an operating system code named spring as a proof of concept in 1992. Sun has a major project underway, called Distributed Objects Everywhere (DOE), that is producing very exciting productivity results. Finally, COSE will focus on the management of distributed file systems, distribution, groups and users, print spooling, software installation licensing, and storage. It is not a coincidence that these vendors are coming together to define a standard UNIX at this time. The COSE effort is a defensive reaction to the release of Microsoft’s Windows NT. With this commitment to a 32-bit desktop and server operating system, Microsoft has taken the wind out of many of the UNIX claims to technical superiority. Despite its numerous advantages as a desktop and server operating system, UNIX never has been widely accepted in the general corporate world that favors DOS/Windows and Novell’s NetWare. A key drawback to UNIX in the corporate arena has been the lack of a single UNIX standard. UNIX has a well established position as the operating system of choice for distributed relational databases from vendors like Informix, Ingress, Oracle, and Sybase. Most of these vendors, however, will port their products to Windows NT as well. Any effort to reduce the problems associated with the multiple UNIX variants will do much to bolster the stature of UNIX as a worthwhile alternative to Windows NT.

Spin this fantasy around in your mind. All the major hardware and software vendors get together and agree to install a black box in their systems that will, in effect, wipe away their technological barriers. This black box will connect a variety of small operating systems, dissimilar hardware platforms, incompatible communications protocols, all sorts of applications and database systems, and even unlike security systems. And the black box will do all this transparently, not only for end users but also for systems managers and applications developers.2 OSF proposes the distributed computing environment (DCE) as this black box. DCE is the most important architecture defined for the client/server model. It provides the bridge between existing investments in applications and new applications based on current technology. Figure 4.10 shows this architecture defined by the OSF. The first product components of DCE were released in the third quarter of 1991. DCE competes directly with Sun’s open network computing (ONC) environment and indirectly with many other network standards. OSF/1 and DCE are almost certain to win this battle because of the massive market presence of the OSF sponsors. IBM has now committed to making its AIX product OSF/1 compatible by early 1994. It will be 1995 before the product is mature and complete enough to be widely used as part of business applications. In the interim, product vendors and systems integrators will use it to build portable products and applications. The general availability of code developed for previous, similar product components will speed the process and enable new development to be modeled on the previous releases. DCE has been described as another layer grouping in the OSI model.3 DCE provides the link between pure communications on the lower layers and end-user applications.

These components become active whenever a local application requests data, services, or processes from somewhere. The OSF says that DCE will make a network of systems from multiple vendors appear as a single stand-alone computer to applications developers, systems administrators, and end users. Thus, the single-system image is attained. Remote Procedure Call (RPC) and Presentation Services: Interface Definition Languages (IDLs) and RPCs enable programmers to transfer control and data across a network in a transparent manner that helps to mask the network’s complexity. DCE uses the RPC originally developed by the HP Apollo Network Computing System (NCS), with some enhancements by DEC and IBM. NCS also provides the Network Data Representation (NDR), a virtual data representation. NDR enables data to be exchanged between various vendor products transparently. Conversions (as necessary) will take place with no intervention by the caller. Naming, security, file system, and data type conversions may take place as data is transported between various platforms. Naming: User-oriented names, specifying computers, files, and people should be easily accessible in a distributed environment. These directory services must offer standard appearance and rules for all clients. DCE supports the X.500 directory services standard, adding extensions from DEC’s Domain Name Service (DECdns). The standardized X.500 code is Siemens Nixdorf’s DIR-X X.500 service. Security: Distributed applications and services must identify users, control access to resources, and guard the integrity of all applications. DCE uses the Kerberos authentication service, developed by MIT as part of its Athena networking project and enhanced by Hewlett-Packard. This service is one of the major challenges to making products available quickly, because very few products today are developed with an awareness of this specification. Threads: This terminology represents a method of supporting parallel execution by managing multiple threads of control within a process operating in a distributed environment. Threads enable systems to start up multiple processes and forget about them until they are completed. This is especially important for network servers that may have to handle many requests from many clients at the same time. They must be able to do this without waiting for the previous request to complete. DCE is using DEC’s Concert Multithread Architecture (CMA) implementation. Time Service: A time service synchronizes all system clocks of a distributed environment so that executing applications can depend on equivalent clocking among processes. Consider that many machines operating in many time zones may provide processes as part of a single application solution.

It is essential that they agree on the time in order to manage scheduled events and time-sequenced events. DCE is using a modification of DEC’s Distributed Time Synchronization Service. Distributed File Services: By extending the local file system throughout the network, users gain full access to files on remote configurations. DCE uses Sun’s Network File System (NFS) Version 2 and provides next-generation capabilities with the Andrew File System (AFS), developed at Carnegie-Mellon University and commercialized by Transact Corp. Diskless operations under AFS are supported by development work done by Hewlett-Packard. PC Integration: Integration enables PCs using MS-DOS, Windows NT, and OS/2 to access file and print services outside the MS-DOS environment. DCE uses Microsoft’s LAN Manager/X. Management: Although partly addressed by the previous components, management is so complex in a distributed, heterogeneous configuration that OSF has defined a new architecture: distributed management environment (DME). DME provides a common framework for the management of stand-alone and distributed systems. This framework provides consistent tools and techniques for managing different types of systems and enables vendors to build system management applications that work on a variety of platforms. OSF will base DME on technology from Hewlett-Packard’s Open View product.

SAA is IBM’s distributed environment. SAA was defined by IBM in 1986 as an architecture to integrate all IBM computers and operating systems, including MVS, VM/CMS, OS/400, and OS/2-EE. SAA defines standards for a common user access (CUA) method, common programming interfaces (CPI), and a common communication link (APPC). To support the development of SAA-compliant applications, IBM described SAA frameworks (that somewhat resemble APIs). The first SAA framework is AD/Cycle, the SAA strategy for CASE application development. AD/Cycle is designed to use third-party tools within the IBM SAA hardware and mainframe Repository Manager/MVS data storage facility. Several vendors have been selected by IBM as AD/Cycle partners, namely: Intervolve, Knowledge Ware, Bachman, Synod, Systematic a, and Easel Corp. Several products are already available, including the Easel Workbench toolkit, Bachman DB2, CSP tools, and the Knowledge Ware Repository and MVS tools. Unfortunately, the most important component, the Repository Manager, has not yet reached production quality in its MVS implementation and as yet there are no plans for a client/server implementation. Many original IBM customers involved in evaluating the Repository Manager have returned the product in frustration. Recently, there has been much discussion about the need for a production-quality, object-oriented database management system to support the entity relationship (ER) model underlying the repository. Only this, say some sources, will make implementation and performance practical. A further failing in the SAA strategy is the lack of open systems support. Although certain standards, such as Motif, SERVER APPLICATION, and LU6.2, are identified as part of SAA; the lack of support for AIX has prevented many organizations from adopting SAA. IBM has published all the SAA standards and has licensed various protocols, such as LU6.2. The company has attempted to open up the SAA software development world. IBM’s director of open systems strategy, George Siegel, says that IBM believes in openness through interfaces. Thus, the complete definition of APIs enables other vendors to develop products that interface with IBM products and with each other. Recent announcements, such as support for CICS AIX, point to a gradual movement to include AIX in the SAA platforms. The first SAA application that IBM released, Office Vision, was a disaster. The product consistently missed shipping dates and lacked much of the promised functionality. IBM has largely abandoned the product now and is working closely with Lotus and its workgroup computing initiatives. IBM has consistently defined common database, user interface, and communications standards across all platforms. This certainly provides the opportunity to build SAA-compliant client/server applications.

IBM has clarified System View as its DME product. System View defines APIs to enable interoperability between various vendor products. It is expected to be the vehicle for linking AIX into centralized mainframe sites. IBM has stated that System View is an open structure for integrating OSI, SNA, and TCP/IP networks. At this time, System View is a set of guidelines to help third-party software developers and customers integrate systems and storage management applications, data definitions, and access methods. The guidelines are intended to further support single-system image concepts.

In view of the above, it is a significant fact that The recent introduction of CICS for OS/2, AIX, and OS/400 and the announcement of support for AIX mean that a single transaction-processing platform is defined across the entire range of products. Applications developed under OS/2 can be ported to interoperate between OS/2, OS/400, MVS, and eventually AIX, without modification. COBOL and C are common programming languages for each platform. SERVER APPLICATION is the common data access language in all platforms. The failure of SAA is attributable to the complexity of IBM’s heterogeneous product lines and the desire of many organizations to move away from proprietary to open systems solutions. This acknowledgment piloted IBM to announce its new Open Enterprise plan to replace the old System Application Architecture (SAA) plan with an open network strategy. System View is a key IBM network product linking OS/2, UNIX, and AS/400 operating systems. Traditional Systems Network Architecture (SNA) networking will be replaced by new technologies, such as Advanced Peer-to-Peer Communications (APPC) and Advanced Peer-to-Peer Networking.

Written by: Kh. Atiar Rahman

Counter Part Officer

Financial Management Reform Programme

About the Author

written by: Kh. Atiar Rahman

Counter Part Officer

Financial Management Reform Programme

Ministry of Finance, Finance Division

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