Re: [DNA] Confirming today's face-to-face meeting decisions

[Brett Pentland <brett.pentland@eng.monash.edu.au>]

Sathya Narayanan wrote:
>>A LinkID needs to be unique within the set of links that a host might
>>potentially move to (possibly within some limited timeframe) so 
>>that a
>>change in the LinkID received from a previous one gives us the 
>>negativeacknowledgement that "no, this is definitely not the same 
>>link as one
>>we last received an RA from" (rather than having to wait for a 
>>timer to
>>expire).
> 
> I just want to re-state this - time window involved here can be very small and the moment you receive a response wiht NEW landmark before your current landmark is confirmed by your current router you can infer link-change.
> 
> - Sathya
> 
By "landmark" are we talking about prefixes?  If so, the reception of a
new one may be an indication that a link change has occured, but is
certainly not confirmation of that.  It might just be a new prefix.

Brett.