Multiple web service calls from web service

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oljeg.popovic@gmail.com - 05 Jan 2006 12:48 GMT

Hello,

I have following scenario.
My web service is receiving package of messages (from 1 to 100) which I
have to distribute to other back-end web services, aggregate responses
and return them to client as one response.
I have read articles on MSDN At Your Service column but I still have
some doubts:
1. How to implement simultaneous calls to web service and return
aggregated responses?
2. Shall I use my own thread pool?
3. Is this architectural solution acceptable or shall I use total async
approach (MSMQ, Windows services, ..). In pick, I'm expecting about 100
packages (about 1000 messages) per second.
Thanks!

Regards,
Oljeg

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Rodrigo García - 09 Jan 2006 09:53 GMT

Hi.

If you have a high load (1000 calls per second) maybe web services will
introduce much overhead inthe system and you should go with a more low-level
solution.
Anyway, the external calls should be made in parallel, I would recommend
implementing your own ThreadPool as it would give you a lot more flexibility.
You will have a great thread overhead and should plan carefully your
multithreaded approach.
If you finally plan on using the basic ThreadPool, have in mind that IIS has
a default limit on the maximum number of concurrent threads that will limit
your performance (see machine.config).

Just my 2p

> Hello,
>
[quoted text clipped - 14 lines]
> Regards,
> Oljeg

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Multiple web service calls from web service

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