[rbridge] Max Network size

[Greg Daley]

Hi Joe,

Joe Touch wrote:
> 
> Guillermo Ibáñez wrote:
> 
>>I have a question:
>>   What is the maximum network size (number of hosts) required/expected 
>>in TRILL? May be it was already stated somewhere, I am not aware of it.
>>Regards
>>Guillermo Ibáñez
> 
> 
> There is no limit of design; it is based on the capability of edge
> RBridges to handle encapsulation tables, as well as of interior RBridges
> to have scalable routing.
> 
> We expect to scale to numbers of hosts much higher than current bridges,
>  but it's hard to predict what the knee of the design curve will be (IMO).

If I recall, the only explicit mentions about size (apart from Alex's
routing cost overview) are that we don't want to scale to metropolis
(Sydney?) size.

Greg