IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology

An IBM Redbooks publication


This IBM Redbooks publication is the first volume of a series of redbooks called IMS in the Parallel Sysplex. These redbooks describe how IMS exploits the Parallel Sysplex functions and how to plan for, implement, and operate IMS systems working together in a Parallel Sysplex.

Volume 1 provides an overview of the Parallel Sysplex and the services offered to authorized programs such as IMS. It then continues with the description of the functionality that IMS provides in a Parallel Sysplex environment. Each function supported by IMS is presented in one or more chapters. The topics include:

- Introduction to the Parallel Sysplex
- Block level data sharing
- Connectivity and workload balancing
- Shared queues
- Common Service Layer

The other volumes in this series are:
IMS in the Parallel Sysplex, Volume II: Planning the IMSplex, SG24-6928
IMS in the Parallel Sysplex, Volume III: IMSplex Implementation and Operations, SG24-6929

Table of contents

Chapter 1. Introduction to the Parallel Sysplex
Chapter 2. Introducing IMS data sharing
Chapter 3. Data sharing integrity components
Chapter 4. Additional data sharing facilities
Chapter 5. IMS shared queues
Chapter 6. Transaction flow in a shared queues environment
Chapter 7. Common Service Layer (CSL) components
Chapter 8. Sysplex terminal management (STM)
Chapter 9. Other functions utilizing CSL
Chapter 10. Introduction to IMSplex connectivity
Chapter 11. VTAM Generic Resources
Chapter 12. Using Automatic Restart Manager (ARM) for IMS


Publish Date
28 March 2003

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