416 WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
13.1 Messaging overview
Generically, the term messaging describes the exchange of information between two or more
interested parties. Messaging can take many forms. For example, sending a fax message
from one point to another is point-to-point messaging. Sending a single message to many
destinations, such as sending an email to a mailing list, is an example of the
publish/subscribe messaging concept.
However, for the purposes of this chapter, messaging is defined as a synchronous or
asynchronous method of communicating between processes on a computer. It provides
reliable, secured transport of requests between applications. These applications can be on
the same server ...