RC Basic Operational Characteristics
“Reliable Connected Service Type” on page 64 provided a very basic overview of the RC transport service's operational characteristics. For convenience sake, that information is repeated here:
Connection needed. Before any messages may be transferred, a private connection must be established between the two RC QPs in the two CAs, and the QP Contexts of the two QPs are each programmed with the identity of the remote QP as well as the address of the port behind which the remote QP resides.
Private communications channel. The two RC QPs may then be used to send messages to each other (but not to any other QP in the same or any other target adapter).
Message size. Each message transfer WR can specify a message ...
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