Networking

RDMA Over Ethernet - A Preliminary Study

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Executive Summary

Though convergence has been a buzzword in the net-working industry for sometime now, no vendor has successfully brought out a solution which combines the ubiquitous nature of Ethernet with the low latency and high performance capabilities that InfiniBand offers. Most of the overlay protocols introduced in the past have had to bear with some form of performance trade off or overhead. Recent advances in InfiniBand interconnect technology has allowed vendors to come out with a new model for network convergence - RDMA over Ethernet (RDMAoE). In this model, the IB packets are encapsulated into Ethernet frames thereby allows to transmit them seamlessly over an Ethernet network.

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