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What is RDDP?
… enable Remote Direct Data Placement (rddp) capabilities with IP transport protocols, in particular with SCTP. RDDP capabilities refer to the ability to place data directly from the NIC into application buffers, without intensive CPU usage. This strategy avoids the costs of data copying and enables using IP as a method for high speed buffer to buffer transfer, allowing IP to replace special purpose networks currently in use. Remote Direct Memory Access (RDMA) is an example of this concept.
PPT Version