Universal Messaging Developer Guide : Enterprise APIs : Enterprise Developer's Guide for C# : Examples : Publish / Subscribe using Channel Topics : Publish / Subscribe
Publish / Subscribe
Publish / Subscribe is one of several messaging paradigms available in Universal Messaging. Universal Messaging Channels are a logical rendezvous point for publishers (producers) and subscribers (consumers) or data (events).
Universal Messaging DataStreams and DataGroups provide an alternative style of Publish/Subscribe where user subscriptions can be managed remotely on behalf of clients.
Universal Messaging Channels equate to Topics if you are using the Universal Messaging Provider for JMS.
Under the publish / subscribe paradigm, each event is delivered to each subscriber once and only once per subscription, and is not typically removed from the channel as a result of the message being consumed by an individual client.
This section demonstrates how Universal Messaging pub / sub works in C#, and provides example code snippets for all relevant concepts:
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