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

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Take Note! Before using this information and the product it supports, be sure to read the general information in Appendix A, “Special Notices” on page 171. First Edition (September 1996) This edition applies to IBM Transaction Server for AIX Version 4, Program number 5697-251 for use with the AIX Operating System Version 4 Release 1 Modification 4 or above. Comments may be addressed to: IBM Corporation, International Technical Support Organization Dept. 471 Building 80-E2 650 Harry Road San Jose, California 95120-6099 When you send information to IBM, you grant IBM a non-exclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you. © Copyright International Business Machines Corporation 1996. All rights reserved. Note to U.S. Government Users — Documentation related to restricted rights — Use, duplication or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.
Contents Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii How This Redbook Is Organized . . . . . . . . . . . . . . . . . . . . . . . . . . xiii The Team That Wrote This Redbook . . . . . . . . . . . . . . . . . . . . . . . . xiv Comments Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv Part 1. The Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Chapter 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 What Is OLTP? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Complex OLTP Business Environment . . . . . . . . . . . . . . . . . . . . . 4 1.3 OLTP Complex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.4 Distributed OLTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.5 OLTP Market . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.6 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Part 2. The Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Chapter 2. IBM Transaction Server Overview . . . . . . . . . . . . . . . . . . . 15 2.1 IBM Software Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.1.1 Lotus Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.1.2 IBM Communications Server . . . . . . . . . . . . . . . . . . . . . . . . 16 2.1.3 IBM Directory and Security Server . . . . . . . . . . . . . . . . . . . . . 16 2.1.4 IBM Database Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.1.5 IBM SystemView Server . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.1.6 IBM Internet Connection Server . . . . . . . . . . . . . . . . . . . . . . 17 2.2 IBM Transaction Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.2.1 CICS Clients V1.1.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.2.2 Encina for AIX V2.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.2.3 CICS Systems Manager for AIX V1.1.0 . . . . . . . . . . . . . . . . . . . 19 2.2.4 CICS Internet Gateway for AIX V1.1.0 . . . . . . . . . . . . . . . . . . . 20 2.2.5 CICS for AIX V2.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Chapter 3. CICS for AIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.1 Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.1.1 Transactional Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.1.2 CICS API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.1.3 Client/Server Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.1.4 Access to Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.2 Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.2.1 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.2.2 Processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 3.3 Intercommunication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3.3.1 DCE RPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3.2 TCP/IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3.3 SNA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.4 Planning Considerations for CICS for AIX . . . . . . . . . . . . . . . . . . . 38 © Copyright IBM Corp. 1996 iii
Page 1: Addressing OLTP Solutions with CICS
Page 6 and 7: iv CICS for AIX as the Transaction
Page 8 and 9: 9.4 Security Issues on the Internet
Page 10 and 11: viii CICS for AIX as the Transactio
Page 12 and 13: x CICS for AIX as the Transaction S
Page 14 and 15: xii CICS for AIX as the Transaction
Page 16 and 17: The Team That Wrote This Redbook xi
Page 18 and 19: xvi CICS for AIX as the Transaction
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
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
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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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4.4 Sample Network Configurations 4
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4.5.1 CICS Client for OS/2 60 CICS
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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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66 CICS for AIX as the Transaction
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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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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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IBML ® Printed in U.S.A. SG24-4752
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