Addressing OLTP Solutions with CICS: The Transaction Server ... - Ibm

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132 CICS for AIX as the Transaction Server Functions such as the discovery of existing CICS for AIX systems, event monitoring, which enables you to monitor the health of regions or resources, and a GUI increase the value and usability of CICS SM. The discovery of existing CICS for AIX systems means that it is much easier to get started with CICS SM while building a CICS for AIX environment. You do not have to spend hours at the beginning building the necessary definitions of your CICS for AIX systems. Simply install CICS SM, direct it to discover which CICS for AIX resources currently exist, and then work from there. While it is possible to start using CICS SM on your existing CICS for AIX configuration as is, to get the maximum return from the use of CICS SM, forward planning is required and possibly some reconfiguration. CICS SM can add significant value to the management of your CICS for AIX configuration and the service that it provides to users, be they employees or customers of your enterprise.
Chapter 9. Accessing CICS from the Web The Internet is a federation of thousands of computer networks, with millions of attached computers that use a common set of technical protocols to create a global communications and processing medium. The Internet has an estimated population of 30 million users and a presence in more than 70 countries. This enormous community can have full-time, part-time, or dial-up connections to the network. In recent years the Internet has grown in size and range at a greater rate than anyone could have predicted. In particular, more than one-half of the hosts now connected to the Internet run commercial applications. This is an area of potential and actual conflict with the initial aims of the Internet, which were to foster open communications between academic and research institutions. However, the continued growth in commercial use of the Internet is inevitable, so it will be helpful to understand how this evolution is taking place. Hundreds of thousands of companies now make their business by relying on Internet users. They not only collect market information from the network but also conclude transactions with their customers on the other end of the network. The Internet has enabled them to find more business potential and enormously expand their business. More and more companies are expanding their applications from closed networks such as LANs to the Internet. This explosion in the use of the Internet has largely been fueled by the availability of GUIs, thus making it much easier for non-computer-literate users to access the information that is available within the Internet. The World Wide Web (WWW, W3, or simply the Web) is a hypertext, page-based, graphical information service. It provides access to multimedia and complex documents and databases. It is one of the most effective methods of information display and update because of its visual impact and such advanced features as: • Ability to link to other “pages” • Ability to run programs • Ability to present forms, pictures, sounds, and movies • Platform and operating system independence Many enterprises recognize the commercial potential of the Internet and are seeking a means to establish a presence. But first they must develop the necessary applications in a timely manner. The CICS Internet Gateway for AIX can provide a means of accessing existing CICS applications. The use of the CICS Internet Gateway for AIX can significantly reduce the effort required to make applications available for use on the Internet. Another benefit of using the CICS Internet Gateway for AIX to access your CICS regions is that it is possible to use exisiting CICS skills to develop new CICS applications for the Internet without having to retrain staff. © Copyright IBM Corp. 1996 133
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Addressing OLTP Solutions with CICS
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Take Note! Before using this inform
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9.4 Security Issues on the Internet
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The Team That Wrote This Redbook xi
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2 CICS for AIX as the Transaction S
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1.2 Complex OLTP Business Environme
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Figure 2. OLTP Complex for XYZ Insu
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By using common application program
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1.5 OLTP Market 10 CICS for AIX as
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Figure 5. OLTP Market Segmentation
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14 CICS for AIX as the Transaction
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2.1 IBM Software Servers 2.1.1 Lotu
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2.2.1 CICS Clients V1.1.0 A Transac
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2.2.4 CICS Internet Gateway for AIX
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3.1 Services CICS for AIX is a very
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3.1.2 CICS API 24 CICS for AIX as t
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3.1.3.1 Terminal Users and CICS Reg
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3.2 Implementation 3.2.1 Components
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3.2.2 Processes 3.2.1.3 Application
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3.3.1 DCE RPC 3.3.2 TCP/IP 32 CICS
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Figure 9. Interconnection Using Enc
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connect to a PPC Gateway server mac
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Figure 12. Interconnection Using TC
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3.4.3 Configuration 3.4.4 Managing
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3.4.6 Intersystem Communication CIC
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3.4.8 Data Location 44 CICS for AIX
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3.4.11 Operations plan to cope with
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3.5 Summary 48 CICS for AIX as the
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Figure 13. Application Server Model
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4.2.1 CICS External Call Interface
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By means of mapping files, you can
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4.3 Versions 56 CICS for AIX as the
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4.5.2 CICS Client for DOS 62 CICS f
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4.5.5 CICS Client for AIX CICS Clie
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4.6 Summary 68 CICS for AIX as the
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5.1.1 DCE Threads 5.1.2 Remote Proc
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The GDS is based on the CCITT X.500
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egion or server it is looking for.
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6.1.2 Encina Toolkit Server Core 6.
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A year later ISC gave SQL formal in
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designing efficient applications 15
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