Acceptance
Much like other HPC interconnects, RDMA’s acceptance is currently limited by the need to install a different networking infrastructure. However, new standards enable Ethernet RDMA implementation at the physical layer and TCP/IP as the transport, combining the performance and latency advantages of RDMA with a low-cost, standards-based solution. The RDMA Consortium and the DAT Collaborative have played key roles in the development of RDMA protocols and APIs for consideration by standards groups such as the Internet Engineering Task Force and the Interconnect Software Consortium. Software vendors such as Red Hat and Oracle Corporation support these APIs in their latest products, and network adapters that implement RDMA over Ethernet are being developed. Both Red Hat Enterprise Linux and Red Hat Enterprise MRG have support for RDMA. Microsoft supports RDMA in Windows Server 2012 via SMB Direct.
Common RDMA implementations include the Virtual Interface Architecture, InfiniBand, and iWARP.
Read more about this topic: Remote Direct Memory Access
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