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Linux Guest RDMA On Hyper-V

Low latency, high bandwidth communication is critical for HPC workloads. In this presentation we describe the architecture and performance characteristics of Linux guest RDMA with Hyper-V as the host. The primary deployment target for this functionality is public cloud environments where tenant isolation is critical. We have come up with an interesting architecture where the control plane is over a software mediated path (to ensure security) while the data plane completely by-passes both host and the guest kernels. The result is a near-native performance profile while ensuring security.

K Y Srinivasan

K. Y. is a Partner Architect at Microsoft focused on Linux related kernel work. Prior to joining MSFT, K. Y. was a Distinguished Engineer at Novell where he worked on Xen, KVM and a variety of other OS projects. Prior to Novell, K. Y. was a Distinguished Engineer at AT&T Bell Laboratories where he was an architect for several releases of the UNIX Operating System.

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