[openib-general] RDMA connection and address translation API

[James Lentini]

On Wed, 24 Aug 2005, Caitlin Bestler wrote:

> NFS over RDMA does not do that.
> 
> Shouldn't that be the end of discussion on abusing CM private data
> unless you are talking *solely* about IB private data. And if that is
> the discussion, should not such a strategy be proposed to IETF
> and/or IBTA for an NFSoRDMA for IB official mapping?

Since this is IB specific, I think it should be addressed in the IBTA.

> The other end of the NFSoRDMA connection is not necessarily
> running OpenIB or even Linux and is not party to any of these
> discussions.
> 
> > 
> > My resistance is that ATS is just complexity without any benefit.  It
> > doesn't provide additional security.  It doesn't solve the
> > multi-homing problem we're talking about now.  Once you've thrown away
> > information by turning your IP address into an IB GID, there's no
> > magic way ATS can recreate that information and be psychic about which
> > of the multi-homed IPs you actually meant.  So why not just put the IP
> > addressing information into the CM private data, the way that the SDP
> > protocol already does?