[rbridge] L3 vs. L2 encapsulation

[Joe Touch]

The use of L2, L2+shim, or L3 encapsulation doesn't impact what
protocols can be included, It DOES impact the routing protocols in use,
however, so we probably ought to think about it a little.

Jeo

Radia Perlman wrote:
> We've been assuming an L2 encapsulation, and that's what I'd prefer. 
> That not only saves room in the header, but
> does not a priori require assigning L3 addresses, and also automatically 
> supports both IPv4 and IPv6.
> 
> Radia
> 
> Alper Yegin wrote:
> 
> 
>>One of the issues listed in draft-perlman-rbridge-03.txt is the choice
>>of encapsulation. See Section 5.5 for a detailed discussion. 
>>
>>Can we close that issue agreeing to a L3 encapsulation? 
>>
>>This does not prevent anyone designing a L2 encapsulated version by
>>reusing the base spec(s) as much as possible. That should be outside the
>>scope of the WG though.
>>
>>Comments welcome.
>>
>>Alper
>>
>>
>>
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>> 
>>
> 
> 
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