An Introduction to IBM IMS OTMA & Understanding IMS OTMA Commit Mode and Synchronization Level
Project and Program:
Information Management,
IMS
Tags:
Proceedings ,
SHARE Columbus 2022
IMS Open Transaction Manager Access (OTMA) is a component of IMS TM and is a
transaction-based, connectionless client/server protocol. Through the
presentation, I will introduce the audience to what IMS OTMA is, some familiar
OTMA terminologies and the basic OTMA message flow. The IMS OTMA client
communicates information to IMS and receives information from IMS in a prefix
passed in front of the message (or command). Among several information present
in the prefix is COMMIT MODE and SYNCHRONIZATION (SYNC) LEVEL. Through the
presentation, I will also introduce the audience to what OTMA synchronization
levels and commit modes are and the available types.
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