WebSphere MQ gateway queue manager

A description of the WebSphere® MQ queue manager, known as the gateway queue manager, to which a WebSphere MQ link establishes channel links to transfer messages destined to target queues on the WebSphere MQ network, and to receive messages from the WebSphere MQ network.

To the WebSphere MQ gateway queue manager the messaging engine with the WebSphere MQ link (and hence the bus that the messaging engine is a member of) appears to be a WebSphere MQ queue manager.

To the messaging engine with the WebSphere MQ link, the WebSphere MQ gateway queue manager, and hence any queue managers connected to this, appears to be a foreign bus.

The WebSphere MQ link has its sender and receiver channels defined on it. These channels communicate with, respectively, partner receiver and sender channels on the WebSphere MQ gateway queue manager. Communication between the WebSphere MQ link and WebSphere MQ is achieved using WebSphere MQ formats and protocol.

Before you define a WebSphere MQ link, you need to nominate one WebSphere MQ queue manager to act as a gateway queue manager (this queue manager must be active and defined in the WebSphere MQ network). You then define a foreign bus object for it and specify the foreign bus name when defining a WebSphere MQ link.

Messages from the WebSphere MQ link are transmitted through the WebSphere MQ link sender channel to the partner receiver channel on the gateway queue manager. The receiver puts the messages to the target destinations in the WebSphere MQ network.

Messages from the WebSphere MQ network, that are destined for WebSphere Application Server, are sent to the WebSphere MQ gateway queue manager. The sender channel on the gateway queue manager transmits them to the WebSphere MQ link receiver channel from where they are distributed to the target destinations on WebSphere Application Server.




Related concepts
Learning about interoperating with WebSphere MQ using WebSphere MQ links
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Last updated: Feb 19, 2011 5:25:36 AM CST
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