HTTP Relay Transport (New in version 4.0) is a non-blocking HTTP transport implementation based on HTTP Core NIO and specially designed for streaming messages. It can be used as an alternative to the NHTTP transport. It does not care about the content type and simply streams all received messages through. It is as if the old message relay was engaged on all possible content types. The new transport also has a simpler and cleaner model for forwarding messages back and forth.
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