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

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4.3 Versions 56 CICS for AIX as the Transaction Server Automatic data exchange CICS Clients provide a mechanism to enable automatic data exchange between desktop applications (for example, a spreadsheet) and data in a CICS for AIX server. Platform advantages Workstation clients provide you with the advantages of the platform on which they run, that is, development tools, modern workstation interfaces (GUI, multimedia), and low cost. Autoinstall CICS for AIX servers can autoinstall client connections and terminals. This capability greatly eases your systems management. Novell networks In addition to IBM networks, you can use networks running Novell Netware for APPC-attached clients. Local printers You can use local printers attached to desktop workstations to print output sent from CICS for AIX server applications. Security CICS Clients provide userid and password security features. NLS With national language support (NLS), your end users can receive CICS Client messages in their native language. The national languages currently supported by both CICS for AIX and CICS Clients are U.S. English, French, German, Italian, Spanish, Japanese, Korean, and simplified Chinese. (CICS Client for Macintosh does not support Japanese, Korean, or simplified Chinese.) Workstation customization You can customize the colors of your CICS Client terminal emulator and remap your keyboard layout. Distribution of clients On a distributed network you can install multiple copies of the CICS Client for OS/2 and CICS Client for Windows onto many workstations using a distributed management product, for example, IBM′s NetView Distribution Manager (NetView DM). IBM Transaction Server for AIX provides a number of CICS Clients that can connect to a CICS for AIX server. They are: • CICS Client for AIX, Version 2.1.1 • CICS Client for Sun Systems, Version 2.1.1 • CICS Client for OS/2, Version 1.1 • CICS Client for DOS, Version 1.1 • CICS Client for Windows, Version 1.1 • CICS Client for Macintosh, Version 1.1 These clients cover a number of different hardware platforms: the CICS Client for AIX and CICS Client for Sun Systems versions are for the appropriate UNIX-based operating systems; CICS Client for OS/2, CICS Client for DOS, and
CICS Client for Windows are for Intel-processor-based platforms; and CICS Client for Mactintosh is for the Motorola processor and Power Macintosh platforms. CICS Client for OS/2, CICS Client for DOS, CICS Client for Windows, and CICS Client for Macintosh together constitute the IBM CICS Clients Version 1.1 family. They are capable of communicating with other CICS server products within the CICS family. However, for our discussion, the CICS server is assumed to be a CICS for AIX Version 2.1.1 system. CICS Client for AIX and CICS Client for Sun Systems can communicate with any of the CICS on Open System servers. Again for our discussion, the CICS server is assumed to be a CICS for AIX Version 2.1.1 system. CICS Clients support two communication protocols: TCP/IP Transmission Control Protocol/Internet Protocol originated from the UNIX operating system but is now supported by many operating systems including AIX, OS/2, VM, MVS, DOS, and Apple Macintosh. APPC Advanced-Program-to-Program Communication is a commonly used term for the verbs and services included in the SNA LU 6.2. An LU 6.2 communication session provides device-independent application-to-application communication. Note: A third communication protocol, Network Basic Input/Output System (NetBIOS), is supported by some CICS Clients. NetBIOS is a communication interface for the IBM LAN and Novell NetWare LAN environments. AIX does not support NetBIOS, and hence it is not relevant to our discussion. The protocols and functions supported for each of the CICS Clients varies. Table 4 provides the details by client version of the protocols and functions that are supported. For each client, there may be support for more than one protocol and function. You can therefore use the protocols and functions that are best suited to your network environment. Table 4. Protocols and Functions between CICS Clients and CICS for AIX Server Server Client TCP/IP APPC ECI EPI Autoinstall CICS For AIX V2.1.1 DOS Windows OS/2 Macintosh Sun AIX Key: Notes: ☺ = supported ─ = not supported ☺ ☺ ☺ ☺ ☺ ☺ • EPI always incorporates CICS 3270 terminal emulation and CICS 3270 Client printer support. • With autoinstall, you do not have to predefine the CICS Client to the CICS server; that is, control table definitions are automatically created for the client at the CICS server. • The CICS Telnet server (cicsteld) enables Telnet clients capable of emulating an IBM 3270 Information Display System to connect to a working CICS region. ☺ ☺ ☺ ☺ ─ ─ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ ☺ cicsteld ─ ─ ─ ─ ☺ ☺ Chapter 4. Using CICS Clients 57
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Addressing OLTP Solutions with CICS
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Take Note! Before using this inform
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iv CICS for AIX as the Transaction
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9.4 Security Issues on the Internet
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viii CICS for AIX as the Transactio
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x CICS for AIX as the Transaction S
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xii CICS for AIX as the Transaction
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The Team That Wrote This Redbook xi
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xvi CICS for AIX as the Transaction
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2 CICS for AIX as the Transaction S
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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
Page 32 and 33: 14 CICS for AIX as the Transaction
Page 34 and 35: 2.1 IBM Software Servers 2.1.1 Lotu
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
Page 72 and 73: By means of mapping files, you can
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
Page 82 and 83: 4.5.5 CICS Client for AIX CICS Clie
Page 86 and 87: 4.6 Summary 68 CICS for AIX as the
Page 88 and 89: 5.1.1 DCE Threads 5.1.2 Remote Proc
Page 90 and 91: The GDS is based on the CCITT X.500
Page 92 and 93: egion or server it is looking for.
Page 96 and 97: 6.1.2 Encina Toolkit Server Core 6.
Page 100 and 101: is also necessary to use native AIX
Page 104 and 105: 7.1 X/Open XA Interface 7.1.1 X/Ope
Page 108 and 109: Communication between the transacti
Page 112 and 113: 7.2.2 Single-Phase and Two-Phase co
Page 116 and 117: Figure 28. Switching Access among D
Page 120 and 121: Figure 30. CICS Access to Remote DB
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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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110 CICS for AIX as the Transaction
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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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