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Passing large amount of data through web services can become a huge bottle-neck in WAN application architecture (i.e., server is on the web), and in any case a real load on the network traffic. This is one solution for downsizing the network costs. 

Nice topic by DaberElay read it at http://www.codeproject.com/cs/webservices/WebServiceZipFilter.asp

 

Posted on Wednesday, July 21, 2004 9:28 PM Architecture , .Net | Back to top


Comments on this post: Adding a zip filter to web services

# re: Adding a zip filter to web services
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Never forget the obvious out of the box solutions that IIS 6 implements this at the server side by conforming to the HTTP spec for compression (GZip). Whidbey ws proxies will be able to decompress the receive when they see the HTTP header says so. It does not appear to compress the send (perhaps this is because at send time you don't know whether the web server will support it - but it would be a nice option to negotiate this).

So before Whidbey is fully out this is nice to have. I wrote exactly this based on the same zip libraries and when I tested it I saw no increase in performance* receiving messages only sending them when throttling the bandwidth. It might be wise to do some performance testing to make sure that compression does in fact yield benefits. It will 9 times out of ten preserve bandwidth and allow the solution to continue scaling for awhile on the same connection.

* this could just be my dodgy coding.
Left by James Saull on Jul 22, 2004 5:46 AM

# re: Adding a zip filter to web services
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You need to check the clock on your Blog! I did not post at 5AM !!
Left by James Saull on Jul 22, 2004 5:47 AM

# re: Adding a zip filter to web services
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The solution by daberelay works both ways. no code changes we're necessary.
We use it and it has proven effective, specially while using datasets.
until whidbey comes, its a must...
Left by anon on Dec 05, 2004 11:28 PM

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