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RDMA rely on registered memory pages shared by the application and the network adapter.
Low-latency network techniques
Posted May 29, 2013 7:14 UTC (Wed) by eliezert (subscriber, #35757)
you need to redesign you application in order to use it.
-sometimes this is a good thing :)
It is not compatible with regular IP, so you can't really use it on the internet.
Posted May 29, 2013 8:22 UTC (Wed) by meuh (subscriber, #22042)
BTW, sometimes you don't need to redesign your application to benefit from an RDMA enabled infrastructure (either InfiniBand, iWarp or RoCE), there's a work in progress called 'rsocket'. See
(There was also a thing called Socket Data Placement aka SDP, but rsocket is going to replace it for good).
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