On Oct 23, 2014, at 9:32 AM, J. Bruce Fields <bfields@xxxxxxxxxxxx> wrote: > On Tue, Oct 21, 2014 at 01:11:26PM -0400, Chuck Lever wrote: >> The size of the changeset _is_ the justification. It’s >> a much less invasive change to add a TCP side-car than >> it is to implement RDMA backchannel on both server and >> client. > > Something I'm confused about: is bidirectional RPC/RDMA optional or > mandatory for servers to implement? IMO bi-directional RPC/RDMA is not required anywhere in RFCs 5666 (the RPC/RDMA spec) or 5667 (the NFS on RPC/RDMA spec). > Something somewhere has to be mandatory if we want to guarantee a > working backchannel between any two implementations. -- Chuck Lever chuck[dot]lever[at]oracle[dot]com -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
