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WCF Streaming Issue Under IIS
Recently, I've been doing a lot of work with streaming under an IIS hosted WCF service (using the BasicHttpBinding). I ran into a rather strange issue, that appears to be an oversight deep inside the internals of WCF. Enabling streaming on a binding is typically set when you anticipate sending large objects across the wire, and do not want to buffer up the entire message prior to sending. When streaming mode is enabled, the headers of the message are buffered and the body is exposed as a stream and sent across the wire. When you host your service inside a console app or windows service, everything works as expected (the body is indeed streamed no buffering at all). Now comes the issue...