[openib-general] [RFC] IB address translation using ARP

[Hal Rosenstock]

On Fri, 2005-10-07 at 16:10, Sean Hefty wrote:
> Yaron Haviv wrote:
> > Sean, I believe this is exactly how it is been proposed
> > The gateway is the endpoint in IB, and the IB CM request is done against
> > the gateway, the gateway may decide to create its own connection on the
> 
> Yes - I agree with that.  I'm referring to the RDMA connection manager, versus 
> the IB connection manager.
> 
> > targeted to a certain IP range/subnet/non-local will end up in the
> > gateway without the need to specify address by address individually
> > (just like its done in IP)
> 
> IP is connectionless, so I'm not sure how to relate from IP to the RDMA CM. 

IP is connectionless but has been implemented on top of connection
oriented link layers which may gateway to other connection oriented link
layers or non connection oriented link layers. I think it is analagous
to that.

-- Hal

> With TCP, the connection is to the actual endpoint, not the IP router.  This 
> seems more similar to an application requesting a connection to a proxy server.
> 
> - Sean
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