On Sat, 2006-03-25 at 22:36 +0200, Michael S. Tsirkin wrote:

> Since IP over IB
> just puts an IP packet inside a UD packet without overhead, what wire protocol
> changes can thinkably be done, while still using InfiniBand protocols, to
> improve performance?

The ipath_ether device provides an MTU of ~8K, by sending packets back
to back.  Even though a real 8K MTU isn't possible, this technique gives
considerably better throughput than IPoIB, at least on hardware that can
sustain a high messaging rate.

        <b

-- 
Bryan O'Sullivan <[EMAIL PROTECTED]>

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