Woodruff, Robert J wrote: > Catlin wrote, > >> For iWARP there are network performance reasons why in-order memory >> writes will never be guaranteed. > > For iWarp, or any other RDMA over Ethernet protocol, the > behavior is not to guarantee all packets are written > in-order, just that the last byte of the last packet is > written last. This can easily be implemented in an iWarp card > or by the driver with minimal performance impact in most cases. > > So for example, if the last packet arrives before all the > other packets have arrived, the iWarp card or driver does not > place that data of the last packet until all the other > packets have arrived. > > woody
Fascinating argument. The correct forum for that is the IETF RDDP Workgroup, not a Linux open source project. _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
