Re-architecting datacenter networks and stacks for low latency and high performance
作者： Mark Handley , Costin Raiciu , Alexandru Agache , Andrei Voinescu , Andrew W. Moore
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摘要: Modern datacenter networks provide very high capacity via redundant Clos topologies and low switch latency, but transport protocols rarely deliver matching performance. We present NDP, a novel data-center transport architecture that achieves near-optimal completion times for short transfers and high flow throughput in a wide range of scenarios, including incast. NDP switch buffers are very shallow and when they fill the switches trim packets to headers and priority forward the headers. This gives receivers a full view of instantaneous demand …
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