[ofa-general] tcp/rdma port unification patch in librdmacm
Or Gerlitz
ogerlitz at voltaire.com
Wed Mar 11 00:48:37 PDT 2009
Steve Wise wrote:
> It seems like kernel RDMA protocols are all getting IANA-assigned port
> numbers that alleviates the need for TCP/RDMA port unification.
> NFSRDMA and RDS are two. But user applications like mvapich2 and
> other mpis often let the stack choose a local port number on-which to
> bind/listen.
Hi Steve,
You have mentioned the listeners, but what about the ports used for the
connection itself? isn't it correct that when the TOE stack accepts the
rNFS connection request to port X - still a different port Y would be
used for the connection itself ? but if the Linux TCP stack would have
(say) iperf bind to port Y then you are again in troubles - am I missing
anything here?
Or.
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