End-to-End Congestion Control for InfiniBand

  title={End-to-End Congestion Control for InfiniBand},
  author={Jose Renato Santos and Yoshio Turner and G. John Janakiraman},
InfiniBand System Area Networks (SANs) which use link-level flow control experience congestion spreading, where one bottleneck link causes traffic to block throughout the network. In this paper, we propose an end-to-end congestion control scheme that avoids congestion spreading, delivers high throughput, and prevents flow starvation. It couples a simple switch-based ECN packet marking mechanism appropriate for typical SAN switches with small input buffers, together with a source response… CONTINUE READING
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