WebSphere Message Brokers
File: aq19830_
Writer: Terry Cowling

Reference topic

This build: July 31, 2007 21:35:48

Topics

In WebSphere MQ Publish/Subscribe, all publications must be tagged with an arbitrary character string called a topic. This defines the subject matter of the publication.

WebSphere MQ Publish/Subscribe recommends, though this is not enforced, that topic strings are structured into a number of fields or levels using the forward slash, "/", as a delimiter.

WebSphere Message Broker publications also have a topic associated with them, and the topic structure is delimited by the forward slash character.

Therefore, if your existing applications follow the WebSphere MQ Publish/Subscribe recommendation, they are better positioned to exploit the function provided by WebSphere Message Broker, which allows the structure of the topic to be externalized.

WebSphere Message Broker allows you to control users' authority to publish on, and subscribe to, any topic at any level within the topic structure.

Related concepts
Topics
Related tasks
Publishing
Subscribing
Related reference
Special characters in topics
Topic semantics and usage
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Copyright IBM Corporation 1999, 2007Copyright IBM Corporation 1999, 2007. All Rights Reserved.
This build: July 31, 2007 21:35:48

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