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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Opinions:Orchestration & Proper Scoping of ESB Functiona

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Should service orchestration functionality be included in ESB message flows?
Yes
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No
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 100%  [ 2 ]
Total Votes : 2
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lancelotlinc
PostPosted: Wed Apr 14, 2010 6:52 am    Post subject: Opinions:Orchestration & Proper Scoping of ESB Functiona Reply with quote

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
Hi all! Happy Mothers Day.

Have a design query to float past you...

A common need when handling services is to manage context and execution sequence. This could be done through WebSphere Process Server or other products.

A tendancy I have observed with newer WebSphere Message Broker develoeprs is to try to integrate state management and service orchestration into Message Flows. While this is possible to do on a simplistic level (maybe two or three services), it can become unwieldy with more intricate business needs.

Please offer thoughts and comments on when it is optimum to push context management, state management, and service orchestration functions out of the ESB.

I would also be interested on some evangelistic tips to help newer ESB developers to realize the imperative of properly scoping the work the ESB does so that ESB concepts are maximized and pushing tasks not optimized for ESB functionality to some other entity besides WebSphere Message Broker. (ie. why reinvent the wheel inside the ESB when WPS could help?)

Thanks in advance.

Sincerely
Sirlancelotlinc
Rorqual qualified.
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fjb_saper
PostPosted: Wed Apr 14, 2010 11:21 am    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
On the most simplistic level IMHO WMB should handle stateless, if possible context unaware and no orchestration...(problems with transaction scoping).

For the rest you can use a BPEL engine like WPS.

Have fun
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