September 2011
Intermediate to advanced
528 pages
19h 57m
English
Oracle WebLogic Server provides messaging services based on the JMS API. A message is simply data exchanged between applications or systems that can consist of queued, transformed, and transmitted messages between these applications or systems. Note that in a two-tier implementation (server and client only), the client communicates directly with the data tier, with no real messaging capabilities. In three-tier architectures, however, the middle tier will often include messaging services as part of the application server's capabilities. In many cases, JMS is used to simply queue requests originated from the web tier to the services tier asynchronously.
WebLogic Server implements and extends the standard ...
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