[openib-general] Re: [Rdma-developers] Meeting (07/22) summary: OpenRDMA community development discussion

[Tom Duffy]

On Thu, 2005-07-28 at 10:52 -0700, Venkata Jagana wrote:       
> 5)  OpenIB enablement of iWARP announcement 
> 
>        Not much time left to discuss in detail the OpenIB announcement
> of iWARP enablement 
>        and what it means to OpenRDMA in terms of any additional
> conflict. 
> 
>        Venkat has clarified that based on previous email and conf call
> discussions between 
>        openRDMA and openIB groups that these two groups are
> complimentary to each other 
>        in terms of Upper layer protocols support but there is a
> conflict around modified Gen2 verbs 
>        usage versus RNIC-PI. 
> 
>         RNIC vendors seem to be quite strongly committed to supporting
> RNIC-PI. 
> 
>         There are different views expressed regarding the convergence
> of gen2 verbs and RNIC-PI. 
>         One view is that the convergence in the interfaces need to
> happen over a period of time so that 
>          there will be a single PI supporting both IB and iWARP in the
> linux mainline kernel. 
> 
>         The other view regarding the convergence is that there is no
> need to have this convergence happen 
>         since they can coexist in the kernel at the sametime with
> different APIs. 
> 
>          Only the time will tell what will happen but ultimately, it
> depends upon what the linux kernel maintainers 
>           have to say. 

At OLS (and in previous forums), the kernel maintainers have made it
*very* clear that there should only be one API.

-tduffy
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