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An Introduction to IMS: Your Complete Guide to IBM Information Management System by Steve Nathan, Sandy Sherrill, Rick Long, Moira McFadden Lanyi, Margaret Wilson, Kenny Blackman, John Butterweck, Diane Goff, Barbara Klein

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Chapter 13. How IMS TM Processes Input

IMS can accept input messages from a variety of sources.

In This Chapter

IMS TM Messages

Input Message Origin

Transaction Scheduling

Scheduling Conditions

Program and Transaction Definitions That Affect Scheduling

Scheduling a BMP or JBP Application

Scheduling Fast Path Transactions

Scheduling in a Shared Queues Environment

IMS Transaction Flow

OTMA Message Processing

Figure 13-1 Input Message Processing

image

IMS TM Messages

A message, in the most general sense, is a sequence of transmitted symbols. The network inputs and outputs to the IMS Transaction Manager (IMS TM) take the form of messages ...

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