[openib-general] [RFC] IB address translation using ARP

[Caitlin Bestler]

I agree with Mike's analysis. But I'd also like to point out that even
when source compatability is not a requirement, source familiarity
is. That is, even when recoding is feasible the API should only
introduce new concepts as required to improve efficiency. The
shift from socket model to QP/CQ is challenging enough as is.
It's also where the benefit is. Changing how the application
requests and accepts connections is just piling on more things
for the developers to learn onto an already very full plate, and
with nowhere near the same benefit.
 
The simple, IP/DNS-centric methods that Mike outlined will
work on either iWARP or IB, and are very easily understood
by those familiar with existing sockets/IP network development.
The more complex models provide minor enhancements for
very corner cases at the very heavy concept of requiring 
the developer to understand a lot more about network topology.
 
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