i_at_forum
New User
Joined: 29 Dec 2005 Posts: 10
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Hi,
I need clarification about one basic concept about MQ Series.
How is queue & route related?
At the time of opening an MQ Connection the route name will be specified.
This returns a context-handle that is a pointer to a memory block where more information about the queue is stored.
The context-handle defines to which queue the msg will be put to.
So, a route can be associated with more than 1 queue.
Also, a queue can have multiple Put routes but only single Get route.
Am I correct?
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Garry Carroll
Senior Member
Joined: 08 May 2006 Posts: 1193 Location: Dublin, Ireland
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I'd say your terminology is all wrong.
When you MQCONN , you specify the QMgr name. When you MQOPEN, you specify a Queue name. The queue may have multiple aliases, both PUT and GET which can be used to acces the underlying actual queue.
If the resolved queue is a local queue, there is no routing, the message stays on the local QMgr. For remote queue definitions, the alias points to a transmission queue which specifies the route to the hosting QMgr.
You can PUT to local and remote queues but only GET from a,local queue.
Garry. |
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