How about we just remove the RDMA stack altogether? I am not at all
kidding. If you guys can't stay in your sand box and need to cause
problems for the normal network stack, it's unacceptable. We were
told all along the if RDMA went into the tree none of this kind of
stuff would be an issue.
There are currently two RDMA solutions available. Each solution has
different requirements and uses the normal network stack differently.
Infiniband uses its own transport. iWarp runs over TCP.
We have tried to leverage the existing infrastructure where it makes sense.
After TCP port reservation, what's next? It seems an at least
bi-monthly event that the RDMA folks need to put their fingers
into something else in the normal networking stack. No more.
Currently, the RDMA stack uses its own port space. This causes a
problem for iWarp, and is what Steve is looking for a solution for. I'm
not an iWarp guru, so I don't know what options exist. Can iWarp use
its own address family? Identify specific IP addresses for iWarp use?
Restrict iWarp to specific port numbers? Let the app control the
correct operation? I don't know.
Steve merely defined a problem and suggested a possible solution. He's
looking for constructive help trying to solve the problem.
- Sean
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