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| 10619474 |
 Posted: Mon Aug 17, 2015 3:51 am Post subject: HUB-SPOKE Concept |
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Novice
Joined: 17 Aug 2015
Posts: 11
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Hi,am new to MQ could u please tell me this question
we have 5 qmgrs one is hub and remaining 4 are spoks then how many channels u need to create the 4 spoke qmgrs to contact hub? |
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| exerk |
| Posted: Mon Aug 17, 2015 3:54 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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If using SDR/RCVR pairs you will need one set from each as a minimum - if you read your own question you'll find you'd already answered it yourself 
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| 10619474 |
| Posted: Mon Aug 17, 2015 4:01 am Post subject: HUb-SPOKE |
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Novice
Joined: 17 Aug 2015
Posts: 11
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Thanks exerk,for reply
So total 8 channels are need to define to contact the hub,and what about the HUB is there any channel need for that to receive msgs and reply to the hub |
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| smdavies99 |
| Posted: Mon Aug 17, 2015 4:09 am Post subject: |
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Jedi Council
Joined: 10 Feb 2003
Posts: 6076
Location: Somewhere over the Rainbow this side of Never-never land.
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It is best to think of a Send and Receiver channel object as two parts of a whole.
One can't work without the other.
so to send from the Spoke QMGR to the HUB you need one SDR/RCVR pair from each spoke QMGR to the HUB.
to go the other way... the same number of pairs are needed.
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WMQ User since 1999
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Every time you reinvent the wheel the more square it gets (anon). If in doubt think and investigate before you ask silly questions. |
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| fjb_saper |
| Posted: Mon Aug 17, 2015 5:17 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20768
Location: LI,NY
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To be very clear:
To go from the HUB to the SPOKEA you need:
- A sender channel HUB.SPOKEA on the HUB
- A receiver channel HUB.SPOKEA on SPOKEA
and the reverse for the reverse direction... 
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| gbaddeley |
| Posted: Mon Aug 17, 2015 4:53 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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For point to point messaging to work between the spokes in a transparent manner, the spoke qmgrs are usually defined with DEFXMITQ that routes all outgoing msgs to the hub qmgr. The hub qmgr then routes msgs to the destination spoke qmgr. This requires xmitqs on the hub that have the same name as the dest qmgrd, or qmgr aliases that resolve the dest qmgr to the relevant transmission queue.
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Glenn |
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