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WebSphere Application Server 7.0 Administration Guide by Steve Robinson

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WebSphere MQ overview

WebSphere MQ formerly known as MQ Series is IBM's enterprise messaging solution. In a nutshell, MQ provides the mechanisms for messaging both in point-to-point and publish-subscribe. However, it guarantees to deliver a message only once. This is important for critical business applications which implement messaging. An example of a critical system could be a banking payments system where messages contain messages pertaining to money transfer between banking systems, so guaranteeing delivery of a debit/credit is paramount in this context. Aside from guaranteed delivery, WMQ is often used for messaging between dissimilar systems and the WMQ software provides programming interfaces in most of the common languages, such as Java, ...

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