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

[Hal Rosenstock]

On Mon, Aug 11, 2008 at 2:23 PM, Fab Tillier
<ftillier at windows.microsoft.com> wrote:
>>> An ARP provides the GID, so the GID is the basic addressing token used
>>> to lookup endpoints.  The LID in the endpoint is optional, so you can
>>> always look up and endpoint by GID, but not always by LID.
>>
>> Is always sending the GRH, even for unicast packets, a requirement of
>> the IPoIB spec?
>
> Not that I'm aware of, but there's nothing in the spec that says the GRH should not be sent.

Right; it's an optimization not to send it when not needed.

-- Hal

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