James wrote:,
>DAPL has been efficiently supported on top of InfiniBand, iWARP, the
>Virtual Interface Architecture, Quadrics, and Myrinet.
I think the point is that only one of those interconnects (IB) is
in the kernel, the rest are proprietary. Do any of the other RDMA
interconnect vendors plan to submit their code for inclusion into Linux
in the near future ?
I know some people are working on iWARP devices though this could be done on the OpenRDMA source work (still a work in progress) which supports both iWARP and IB.
BTW, I second Tom, et. al. push to use an API to abstract this and avoid having to permute every subsystem to work for a given device. The RNIC PI is intended to provide abstraction for iWARP / IB hardware to a very large extent (think of this as a standard verbs interface). IT API / DAPL provide another layer of abstraction and can be used to integrate subsystems either over the RNIC PI or whatever verbs API people desire.
Mike
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