[openib-general] RE: iWARP emulation protocol

Yaron Haviv yaronh at voltaire.com
Tue Oct 18 12:08:35 PDT 2005


> -----Original Message-----
> From: Roland Dreier [mailto:rolandd at cisco.com]
> Sent: Tuesday, October 18, 2005 2:53 PM
> To: Kanevsky, Arkady
> Cc: Roland Dreier; Yaron Haviv; openib-general at openib.org;
> swg at infinibandta.org
> Subject: Re: iWARP emulation protocol
> 
> 
> The proposal doesn't talk about mapping from TCP port numbers into a
> 16-bit range of IB service IDs.  I think this is necessary.
> 

I agree, that's part of the other proposals 

> Also, putting the destination address in the REP message doesn't make
> sense to me.  The destination IP and port number is something that the
> initiator of the connection is sending to the destination, not the
> other way around.  The passive side of the connection (receiver of the
> REQ) needs the destination IP as part of the REQ so that it can decide
> whether to accept the connection; the active side (sender of the REQ)
> knows who it is trying to talk to, so having the address information
> in the REP is not useful.

Also Agree, REP just needs few fields (ver, capabilities)

Yaron



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