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Can I expose more than one WCF service (interface) over the same port and have a single client connect to both services with different TCP connections?
I need the two services to be independent of each other, so that the response to an outstanding message on the channel to one service does not get blocked by a call-back from the other service. (Some client)
On the server side there is no problem exposing several WCF interfaces on the same port. For example in IIS you could have 100’s of svc files each with it’s own interface, on the same port.
On the client side you can create 2 WCF clients, each with it’s own channel.
The only problem I see is that you need to be carefull that the second channel does not go out of scope, when the first callback comes in. If the channel goes out of scope, it gets closed, and then the callback has nothing to callback to.
You could also try putting each of the calls on their own thread.