[openib-general] RDMA connection and address translation API

[Caitlin Bestler]

Generic code MUST support both IPv4 and IPv6 addresses.
I've even seen code that actually does this.

So supporting GIDs is not that much of an issue as long
as no IB network IDs are assigned with a meaning that
conflicts with any reachable IPv6 network ID. (In other
words, assign GIDs so that they are in fact valid IPv6
addresses. Something that was always planned to be one
option for GIDs).



> -----Original Message-----
> From: openib-general-bounces at openib.org 
> [mailto:openib-general-bounces at openib.org] On Behalf Of James Lentini
> Sent: Thursday, August 25, 2005 9:48 AM
> To: Tom Tucker
> Cc: openib-general at openib.org
> Subject: RE: [openib-general] RDMA connection and address 
> translation API
> 
> 
> 
> On Wed, 24 Aug 2005, Tom Tucker wrote:
> 
> > > 
> > >  - It's not just preventing connections to the wrong 
> local address.
> > >    NFS-RDMA wants the remote source address (ie 
> getpeername()) so that
> > >    it can look it up in the exports list.
> > 
> > Agreed. But you could also get rid of ATS by allowing GIDs to be 
> > specified in the exports file and then treating them like
> > IPv6 addresses for the purpose of subnet comparisons.
> 
> Could generic code use both GIDs and IPv4 addresses? 
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