RE: Multiple QPs for a single IPoIB Interface

> 
> Are there any problems with using multiple QPs for a single IPoIB 
> "interface"?  I would like to use send queues for a single 
> IPoIB "link", 
> and the only way I can think to do this is to use multiple QPs.  On 
> inbound, I would likely use one of the QPs for all traffic, 
> although I 
> guess I could theoretically use a different QP by changing 
> the QPN on the 
> ARP reply or Neighbor Advertisement.  The IPoIB specs talk 
> about using a 
> single QPN for the IPoIB link, but I really can't think of 
> any reason why 
> using multiple QPs wouldn't work.
> 

There's no reason why that wouldn't work, but shouldn't one be careful
to avoid sending packets from the same tcp session down different QPs?
Otherwise, the packets could arrive out-of-order and cause window
problems...

Thanks,
Matt

--
Matthew Zito
GridApp Systems
Email: [email protected]
Cell: 646-220-3551
Phone: 212-358-8211 x 359