IBM's Shared Memory Communications over RDMA Protocol
RFC 7609, “IBM's Shared Memory Communications over RDMA Protocol”, is an Informational document published in August 2015 by M. Fox, C. Kassimis, J. Stevens. The canonical text is published by the RFC Editor.
Abstract
This document describes IBM's Shared Memory Communications over RDMA (SMC-R) protocol. This protocol provides Remote Direct Memory Access (RDMA) communications to TCP endpoints in a manner that is transparent to socket applications. It further provides for dynamic discovery of partner RDMA capabilities and dynamic setup of RDMA connections, as well as transparent high availability and load balancing when redundant RDMA network paths are available. It maintains many of the traditional TCP/IP qualities of service such as filtering that enterprise users demand, as well as TCP socket semantics such as urgent data.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
The canonical text of RFC 7609 is hosted at rfc-editor.org. Available in TXT,HTML.
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