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| Question on Pub-Sub |
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| kirankinnu |
 Posted: Tue Nov 25, 2008 9:19 am Post subject: Question on Pub-Sub |
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Centurion
Joined: 12 Jun 2004
Posts: 128
Location: Chicago, IL
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Hello folks,
I got a question on Pub-Sub implementation using message flow Publication node. I got the Pub-Sub implemented and got it working in my local workstation. Lets say if the publisher and subscriber are on 2 different systems, how do we subscribe to a Topic Published on a remote machine. Do we have to define remote queue definitions and stuff ...
I would appreciate any input to this. If handy please do point me to appropriate documentation.
Thank You,
Kiran |
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| gs |
| Posted: Wed Nov 26, 2008 12:28 am Post subject: |
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Master
Joined: 31 May 2007
Posts: 254
Location: Sweden
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| No, you can't subscribe to a remote topic. For remote queue definitions and stuff, see the WMQ infocenter. |
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| wbi_telecom |
| Posted: Wed Nov 26, 2008 6:49 am Post subject: |
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Disciple
Joined: 15 Feb 2006
Posts: 188
Location: Harrisburg, PA
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Yes. you can subscribe to any publication that happens on another QM provided you are connected to that QM/Broker. You can use broker collectives or MQ clusters or MQ remote objects to get the message whereever you need. As long as you are giving a queue name as a subscriber, you can manipulate the message delivary anywhere you need using these methods.
Cheers, |
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| gs |
| Posted: Wed Nov 26, 2008 7:28 am Post subject: |
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Master
Joined: 31 May 2007
Posts: 254
Location: Sweden
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| wbi_telecom wrote: |
Yes. you can subscribe to any publication that happens on another QM provided you are connected to that QM/Broker.
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What I meant is that he can't subscribe to a remote topic directly without using remote queues or cluster.
He seemed to ask for another, more direct solution. |
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| fjb_saper |
| Posted: Wed Nov 26, 2008 10:10 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| gs wrote: |
| wbi_telecom wrote: |
Yes. you can subscribe to any publication that happens on another QM provided you are connected to that QM/Broker.
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What I meant is that he can't subscribe to a remote topic directly without using remote queues or cluster.
He seemed to ask for another, more direct solution. |
You need to subscribe with a topic containing the subscription Destination possibly in uri form ... see how to setup your topic URI by experimenting with jmsadmin and a file context or using RFHUtil(c).
The subscription destination must be local (as in queue local) to the qmgr you are connected to.
Last and not least you must have a default route between the broker's qmgr and the qmgr you are connected to.
This works with basic pub/sub.
If you are in a collective and the topic is published to globally you can subscribe globally to it on the broker you are connected to....
Have fun and read  the relevant parts in the manuals:
Intercommunications manual, Using Java, Pub/Sub manual. 
_________________
MQ & Broker admin |
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