[rbridge] Updated charter

[Joe Touch]

Michael Smith wrote:
>  
>>From: Erik Nordmark
>>
>>Joe Touch wrote:
...
>>The solutions that have been discussed will replace the L2 
>>headers (at least in some cases, and encapsulate in another 
>>L2 header in some cases), and not decrement the L3 TTL, which 
>>is different than a bridge (which doesn't replace the L2 
>>header) and a router (which decrements TTL).
> 
> Some specific examples may help clarify, but the above statement sounds like
> the traditional bridge of yore i.e. bridges with ethernet and token ring
> interfaces that swap MAC headers to the appropriate canonical format and
> encapsulating bridging packets over ATM and Frame Relay using RFC1483 and
> RFC1490.

How they're encapsulated isn't important per se. Traditional bridges 
between ethernet and 802 token ring don't change the MAC header; they 
adapt between to access protocols, frame structures, etc, but the 
addresses are consistent. Or are you referring to somthing else, and if 
so, perhaps it'd be useful to understand why it's extinct at this point...

Joe
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