add WCF Discovery api support to an .net 3.5 app

Is it possible to add the WCF Discovery API to a .net 3.5 application. The target machines have .net 3.5 installed and We don't want to have to install .net 4, is it possible to only add the Discovery API ? I there another way to implement disc开发者_如何学Pythonovery with the older wcf .net 3.5 ?

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This may help you:

http://www.codeproject.com/Articles/31285/WS-Discovery-for-WCF