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

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2.1 IBM Software Servers 2.1.1 Lotus Notes In this section we provide an overview of all of the IBM Software Servers except the IBM Transaction Server, which we covered in detail in 2.2, “IBM Transaction Server” on page 17. Lotus Notes Release 4 allows you to find, manage, and share all information you need. Notes has a new, intuitive user interface that is based on the market-leading product cc:Mail. Whether it is on the Internet, in relational databases or host systems, in a desktop application, or in E-mail, Lotus Notes provides an easy-to-use central access point for data sharing. With the Notes new Release 4 InterNotes Web Navigator, you can leverage (not just surf) the Web, capturing and managing relevant business information and putting it to immediate use every day. Everyone can communicate and collaborate, as individuals or teams, whether they are using Windows, OS/2, Mac, UNIX, or NT. In the office or on the road, ideas and information are continually exchanged and updated, giving you the competitive edge. With scalable servers supporting up to 1000 users and powerful administration capabilities, managing a Notes system is easy. Thus you can implement custom applications to leverage your greatest asset of all: the combined experience and knowledge of your people. 2.1.2 IBM Communications Server Systems Network Architecure (SNA) remains a key networking protocol in enterprise environments that include MVS and VM mainframes as well as AS/400 systems. The Communications Server provides SNA and Advanced Peer-to-Peer Networking (APPN) communication for the other IBM Software Servers and clients they support. It also provides transport independence, allowing LU 6.2-based and Sockets-based applications to run over either SNA or TCP/IP networks. 2.1.3 IBM Directory and Security Server 2.1.4 IBM Database Server 16 CICS for AIX as the Transaction Server The distributed directory and security functions of the Directory and Security Server are essential to providing transparent access to distributed resources. The Directory and Security Server is based on open technology, namely, the Distributed Computing Environment (DCE) for the Open Software Foundation (OSF), which offers open services for information access in large, heterogeneous networks. The Directory and Security Server is available for the IBM OS/2 Warp and IBM AIX platforms. The Database Server provides management of and access to data stored locally or in remote systems. Access to data through the World Wide Web (WWW) is provided. This full-functioned structured query language (SQL) relational database system is designed to manage data for the individual, the workgroup, and companywide solutions needed in today′s business world.
2.1.5 IBM SystemView Server The Database Server is available on the IBM OS/2 Warp, IBM AIX, and Microsoft Windows NT operating systems. It offers reliable, responsive, and proven features that are implemented using open standards. It also offers trend-setting data storage and access for large text, image, audio, and video objects, plus user-defined data types and functions. The scalability of the Database Server spans uniprocessors, symmetric multiprocessors (SMPs), and massively parallel systems. The Database Server includes application development software kits to enable client/server systems for a wide range of clients. Providing the tools necessary to manage small to medium workgroups as well as growing enterprises, the SystemView Server enables you to manage your entire network and the systems that share the network. SystemView Server is the first systems management server offering of the IBM Software Servers Family. You can expect to see further developments in this area. IBM has stated its intention to announce enhanced systems management offerings as members of the IBM Software Servers family. These offerings will take advantage of IBM′s enterprise management strengths along with Tivoli Systems′ leading-edge distributed management technologies. 2.1.6 IBM Internet Connection Server 2.2 IBM Transaction Server The Internet Connection Server allows a business to establish a presence on the Internet by providing the means to publish company and product information on the WWW. With the increase in popularity of the Internet and the possibilities it holds for business and commerce, the Internet Connection Server should become one of the most popular servers. The Internet Connection Server is a key component of IBM′s network computing strategy. The IBM Transaction Server acts as a robust, enterprisewide coordinator and integrator of servers, managing high-performance applications and data sources across the network. With the Transaction Server, you can create a distributed client/server environment with all of the reliability, availability, and data integrity required for today′s OLTP and business-critical applications. The Transaction Server is based on the proven, robust technology of CICS and Encina, industry-leading transaction processing products. The Transaction Server, in cooperation with other IBM software products (see Figure 7 on page 18) provides an easily managed client/server infrastructure for developing and deploying business-critical applications both within and beyond organizational boundaries. Thus you have a robust and open platform on which to build your enterprise applications. Because there is choice and flexibility of platforms, components, and programming languages, your applications can be: • Highly performing with a consistent and fast response • Portable across many IBM and non-IBM systems • Interoperable across local area networks (LANs) and wide area networks (WANs), maintaining integrity and dependability • Scalable from tens to thousands of users • Manageable from a single point of control, even in complex configurations Chapter 2. IBM Transaction Server Overview 17
Page 1: Addressing OLTP Solutions with CICS
Page 4 and 5: Take Note! Before using this inform
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Page 8 and 9: 9.4 Security Issues on the Internet
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Page 16 and 17: The Team That Wrote This Redbook xi
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Page 20 and 21: 2 CICS for AIX as the Transaction S
Page 22 and 23: 1.2 Complex OLTP Business Environme
Page 24 and 25: Figure 2. OLTP Complex for XYZ Insu
Page 26 and 27: By using common application program
Page 28 and 29: 1.5 OLTP Market 10 CICS for AIX as
Page 30 and 31: Figure 5. OLTP Market Segmentation
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Page 36 and 37: 2.2.1 CICS Clients V1.1.0 A Transac
Page 38 and 39: 2.2.4 CICS Internet Gateway for AIX
Page 40 and 41: 3.1 Services CICS for AIX is a very
Page 42 and 43: 3.1.2 CICS API 24 CICS for AIX as t
Page 44 and 45: 3.1.3.1 Terminal Users and CICS Reg
Page 46 and 47: 3.2 Implementation 3.2.1 Components
Page 48 and 49: 3.2.2 Processes 3.2.1.3 Application
Page 50 and 51: 3.3.1 DCE RPC 3.3.2 TCP/IP 32 CICS
Page 52 and 53: Figure 9. Interconnection Using Enc
Page 54 and 55: connect to a PPC Gateway server mac
Page 56 and 57: Figure 12. Interconnection Using TC
Page 58 and 59: 3.4.3 Configuration 3.4.4 Managing
Page 60 and 61: 3.4.6 Intersystem Communication CIC
Page 62 and 63: 3.4.8 Data Location 44 CICS for AIX
Page 64 and 65: 3.4.11 Operations plan to cope with
Page 66 and 67: 3.5 Summary 48 CICS for AIX as the
Page 68 and 69: Figure 13. Application Server Model
Page 70 and 71: 4.2.1 CICS External Call Interface
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Page 74 and 75: 4.3 Versions 56 CICS for AIX as the
Page 76 and 77: 4.4 Sample Network Configurations 4
Page 78 and 79: 4.5.1 CICS Client for OS/2 60 CICS
Page 80 and 81: 4.5.2 CICS Client for DOS 62 CICS f
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66 CICS for AIX as the Transaction
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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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is also necessary to use native AIX
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7.1 X/Open XA Interface 7.1.1 X/Ope
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Communication between the transacti
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7.2.2 Single-Phase and Two-Phase co
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Figure 28. Switching Access among D
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Figure 30. CICS Access to Remote DB
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emote DRDA database. Information ab
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As the COMMAREA has an allowable ma
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7.5 Summary 108 CICS for AIX as the
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8.2 Workload Management 112 CICS fo
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8.4.2 System Management Application
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Figure 36. The CICS SM GUI 8.4.6 Di
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Figure 37. CICS SM Component Distri
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Figure 38. Combining Resources 122
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8.5.2 The Reference System 124 CICS
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8.6 Planning Considerations for CIC
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9.1 Some Terminology 9.2 Services 1
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Figure 41. CICS Internet Gateway fo
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9.3.3 Data Integrity The Web was or
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9.3.5 High Availability The drawbac
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or employee records, eavesdropping
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• Type, size, and quantity of rec
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10.3.3 Writing ECI and EPI Applicat
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The ANIMATOR debugging tool enables
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10.8 Summary 154 CICS for AIX as th
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11.1 The Big Picture 158 CICS for A
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11.2 User Access 160 CICS for AIX a
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Figure 44. Access to Various DB2 Da
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takes place over TCP/IP or SNA comm
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provide greater protection in the u
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How Customers Can Get ITSO Redbooks
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design. The process of composing a
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A year later ISC gave SQL formal in
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designing efficient applications 15
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