[openib-general] [PATCH] [RFC] dapltest change for iwarp

[Steve Wise]

How this requirement is enforced is really the issue, I guess...


On Fri, 2006-04-28 at 15:42 -0500, Steve Wise wrote:
> > I'm confused. Is this an iWARP requirement or a Chelsio requirement? 
> > It sounds like iWARP supports data transfers being initiated by the 
> > server but the Chelsio implementation does not.
> > 
> 
> This is an iWARP requirement.  (I will _not_ argue that its a reasonable
> requirement, however :)
> 
> See: 
> 
> http://www.ietf.org/internet-drafts/draft-ietf-rddp-mpa-03.txt
> 
> Page 35:
> 
> 4. MPA "Responder" mode implementations MUST receive and validate at
>        least one FPDU before sending any FPDUs or markers.
> 
>        Note: this requirement is present to allow the Initiator time to
>            get its receiver into full operation before an FPDU arrives,
>            avoiding potential race conditions at the initiator.  This
>            was also subject to some debate in the work group before
>            rough consensus was reached.  Eliminating this requirement
>            would allow faster startup in some types of applications. 
>            However, that would also make certain implementations
>            (particularly "Dual Stack") much harder.
> 
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