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| multiple fan-out requests issued in parallel? |
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| pcelari |
 Posted: Tue Jan 15, 2008 11:58 am Post subject: multiple fan-out requests issued in parallel? |
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Chevalier
Joined: 31 Mar 2006
Posts: 411
Location: New York
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under document ac00660_ , it is stated:
"the multiple fan-out requests are issued in parallel from within a message flow"
What does this really mean? Does it mean starting from the out terminal of a AggCtrl node, the flows are in parellel?
If this holds true, then it becomes unnecessary to insert a compute node to manually control sequence of multiple connected routes, as described in another thread over aggregate, as a compute node also introduce extra processing delay.
Could an expert please clarify this a little?  thanks,
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pcelari
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- a master of always being a newbie |
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| jefflowrey |
| Posted: Tue Jan 15, 2008 12:03 pm Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Node connections are never executed in parallel.
They are all executed by the equivalent of the Propagate function.
This line you have quoted means that the requests themselves are processed in parallel, by the server applications and not by the message flow.
This is only true if the requests are sent out via MQ/JMS or another asynchronous protocol. If sent out via a synchronous protocol, like HTTP, then each request is processed in series.
But if you're making synchronous requests, you don't need Aggregation nodes...
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| pcelari |
| Posted: Wed Jan 16, 2008 4:23 am Post subject: |
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Chevalier
Joined: 31 Mar 2006
Posts: 411
Location: New York
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that clarifies all.
thanks a lot, GM.
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pcelari
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