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| Basic MQSI Question |
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| mpalmer |
 Posted: Tue Jan 21, 2003 7:34 am Post subject: Basic MQSI Question |
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Novice
Joined: 25 Mar 2002
Posts: 24
Location: New Jersey, USA
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| This is a basic question that we seem to wrestle with. If I am only transferring messages from one server to another, is there any benefit to sending them through the broker? Should MQSI only be used if a message requires interrogation and/or transformation? Thanks for your help. |
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| yaakovd |
| Posted: Tue Jan 21, 2003 8:41 am Post subject: |
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Partisan
Joined: 20 Jan 2003
Posts: 319
Location: Israel
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Basically you can use MQSI for transferring from queue to queue without transformation. You just need to connect input node with output. Or you can dupplicate input message: connect input Q to multiple output. Or you can listen to multiple Q-s and put all messages to the same Q.
In additional you can use filter node to separate destination by message type, MQMD parameters or message body parameters.
Also you can implement pub-sub, but it is another topic 
All is possible ...
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Best regards.
Yaakov
SWG, IBM Commerce, Israel |
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| colintaylor |
| Posted: Tue Jan 28, 2003 12:46 am Post subject: |
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Newbie
Joined: 16 Sep 2002
Posts: 7
Location: London
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I would say it depends on your architecture. If you a consistently using the broker within your design then I would suggest you create a simple flow (Input Node -> Output Node). If, on the other hand, you do not employ the broker in all cases I would go for the simple option of queue to queue via MQ only.
Regards,
Colin
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colin |
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| PeterPotkay |
| Posted: Wed Jan 29, 2003 3:56 pm Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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If you are only moving messages from server A to server C, there is no benifit to pass them thru an MQSI flow in between. In fact, all it will do is slow you down for nothing.
IF you need to transfor the message data, or route the messages to different destinations based on content, than yes, use MQSI. Otherwise you are sticking a process in the middle to handle the message for no good reason.
_________________
Peter Potkay
Keep Calm and MQ On |
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| wmqiguy |
| Posted: Thu Jan 30, 2003 7:17 am Post subject: |
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Centurion
Joined: 09 Oct 2002
Posts: 145
Location: Florida
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I'll throw my two cents in..... 
If you have an environment with changing requirements, you might consider passing it through the broker just for some flexibility. An example would be if another application(s) needs the same data, but in different format, etc.
If your requirements are static or you have any issues at all with throughput, then the P2P might be the way to go.
(There is an article in this month's EAI Journal about whether P2P is the next Y2K.) 
Unfortunately, this is more art than science.
Good Luck! |
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