>>Is this how it works with sockets? > > > I'm not aware of IP multicast having this functionality. This is a > major problem with IP multicast, as some sort of address selection > arbitration has to be done. From what I've seen, this ranges from IANA > assigning multicast addresses for specific uses to best-effort protocols > for selecting unused addresses from an available range. It's a fairly > hard problem, and having OFED choose an unused address (my understanding > is that the SM is capable of this) sidesteps the issue and makes life > much better.
This is an IB specific feature that could be exposed through the rdma_cm. I can envision other RDMA transports providing a similar capability, even if it requires some sort of proprietary method. - Sean _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
