Wcf windows communication foundation example codeproject. Odata atom files are very verbose gzip can compress one by a factor of 50. How to enable wcf messages compression in silverlight 4. It took my server on amazon ec2 approximately 3 minutes. By default, add service reference generates taskreturning async service operation methods. Old form of async operations methods are created in the proxy class. Today, we will discuss about the following features. I see a factor of 5 to 10 improvement in response time for refreshing the data. Type of compression can be mention in the binding settings. With my odata atom feed to my wcf app, without compression, the server returns 1mb files for a data set with 200 rows. When hosting a windows communication foundation wcf service in iis. Selecting a language below will dynamically change the complete page content to that language. Ive got a windows forms app written in vb that uses wcf to. As you see, using iis7 to compress the wcf responses is easy and straightforward, but not everyone is running iis7 on their production servers.
So, i found a few posts of similar implementation all years old and fix bugs and extended them to do what i need. For more information, see wcf simplification features. Simple web service using wcf windows communication. Im trying to enable gzip compression on large soap responses from a wcf service. In response to your comment about gzip not natively supported by wcf, it has been added in. Vbs set w3svcfilterscompressiongziphcscriptfileextensions asp dll exe svc. When using xml as result in the wcf service, the content was also not compressed. Windows communication foundation wcf separates how the software for an application is written from how it communicates with other software. However, when saving that same xml output to an xml file, and putting it on the webserver somewhere, the content was compressed. I have read all the posts about enabling gzip compression with wcf but from the dates of the posts it not seems to me which is the best solution now. This topic discusses features new to windows communication foundation wcf version 4.
Speed up your app by compressing wcf service responses. Bindings are used to specify the transport, encoding, and protocol details required for clients and services. Guess what, wcf does not have a built in compression mechanisms. Enabling dynamic compression gzip, deflate for wcf data feeds. I am not using the custom gzip encoder that we were forced to use before wcf 4. Windows communication foundation wcf and windows workflow foundation wf samples for. This enables you to use the gzipdeflate algorithm for sending compressed messages from a wcf client and also respond with compressed messages from a selfhosted wcf service. In previous versions of wcf these configuration files contained the value of every binding property even if its value is the default value. However, because of chunking, the actual compression factor is about 10. Custom authentication and security for routing service of. Enabling dynamic compression gzip, deflate for wcf data. I got the message size down to 400 kb or so, which is more that i would like, but 90% compression is not something i am going to complain about. If the service is webhosted in internet information server iis, then iis can be configured for the service to send a compressed response. The following is an example of a configuration file generated by wcf 3.
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