[ofa-general] RDS flow control

Steve Wise swise at opengridcomputing.com
Tue May 13 11:08:46 PDT 2008


Olaf Kirch wrote:
> On Tuesday 13 May 2008 19:58:11 Steve Wise wrote:
>   
>> Yes, by adding flow control.  And it could be iwarp-specific if you 
>> want.    I would not suggest relying on connection termination and 
>> re-establishment as the way to handle this :).
>>     
>
> No, not in the long term. But let's hold off on the flow control stuff
> for a little - I would first like to finish my patch set and hand it
> out for you folks to bang on it, rather than the other way round.
> Okay with you guys?
>   

What patch set?  We can't run on chelsio's rnic with fmrs...

>   
>> I assume nothing would fly that regresses IB performance.  Worst case, 
>> you have an iwarp-specific RDS transport like you do for TCP, I guess.  
>> Hopefully though, IB + iWARP will be a common transport.
>>     
>
> If it turns out that way, fine. If iWARP ands up sharing 80% of the
> code with IB except the RDMA specific functions, I think that's
> very much acceptable, too.
>
> Olaf
>   




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