[openib-general] RDMA connection and address translation API

James Lentini jlentini at netapp.com
Fri Aug 26 09:50:56 PDT 2005



On Thu, 25 Aug 2005, Sean Hefty wrote:

> >> Any way providing src/dst IPs in the CM Private data is simple, 
> >> and we can come with IBTA extension blessing that data structure 
> >> as a general way to map IP oriented protocols over IB (a 1-2 page 
> >> draft at the most) This way it can also address Caitlin concerns 
> >> regarding NFS & IETF (since now it's a transport specific issue)
> >
> >How long do you estimate it would take to standardize an IP<->GID 
> >mechanism (ATS, CM embedded, ...) in the IBTA? 3 months? 6 months? 
> >A year?....
> >
> >Let's assume that everyone on this list is in agreement.
> 
> Does anyone in the IB world disagree with adding IP addresses in the 
> CM private data area?  Would we want to extend this concept to SIDR 
> as well?

I think we should focus on providing a mechanism to allow ULPs to use 
IP addresses on InfiniBand networks. 

Service discovery (SIDR) seems like a separate issue. The ability to 
ask "What UD QPN is this service using?" seems useful on its own.



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