TCP Mapping for Reliable Server Pooling Enhanced Mode

This memo defines the shim protocol that maps the requirements of the ASAP protocol [5] to the capabilities of the TCP protocol [3]. In particular, this shim protocol adds the following capabilties that are required by ASAP, but not provided by TCP: (1) message orientation, (2) heartbeat messages, (3) multiple streams, and (4) undelivered message retrieval (if provided).