[ofw] RE: [RFC] Remove path query from IPoIB

[Hal Rosenstock]

On Mon, Aug 11, 2008 at 2:33 PM, Hefty, Sean <sean.hefty at intel.com> wrote:
>>Not that I'm aware of, but there's nothing in the spec that says the GRH should
>>not be sent.
>
> I was thinking that this was simply a matter of inefficiency, but it may an interoperability problem.  If a different implementation of IPoIB doesn't send the GRH, it sounds like there's an issue here.

Why would that lead to lack of interoperability ?

> I don't believe that the linux implementation sends a GRH with unicast packets unless the packet crosses an IB subnet.

Right.

-- Hal
> - Sean
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