[zeromq-dev] Ultra low-latency timings

Steven McCoy steven.mccoy at miru.hk
Mon Nov 7 02:51:26 CET 2011

Have a source for this now: from the mechanical sympathy blog, 1µs for
InfiniBand and 5µs for Mellanox/Solarflare user-space IP with RDMA 10GigE.


My current standing is that IB is always a fraction faster than Ethernet
but only by 1-2 generations and requires a complete new expensive
infrastructure replacement on each IB multiplier boost.  Ethernet
definitely seems the way forward but isn't the top position.

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