On 3/19/10 1:31 PM, Larry Blunk wrote: > I think the case study helps prove my point if you think about > the reverse situation. Namely, that if Pakistan Telecom had been > limited to announcing a /22 by a ROA with maxlength 22, they > would have likely had more limited success since they would > have been competing against the existing /22 from Youtube. > Just as Youtube had problems overcoming Pakistan Telecom's > /24 with it's own /24 announcement (and ended up using /25's), you can > imagine that Pakistan Telecom would have had limited > effect if it had been limited to announcing a /22 against > Youtube's existing /22 announcement. Indeed. The only place the argument Sriram is making holds is when you've got limited or partial deployment - -that's Terry's big concern as well, IIRC. I still very much prefer the explicit length model that mirrors prefix filters employed today and 15 years ago. It encourages people to aggregate effectively and mitigates deaggregation incidents.
-danny _______________________________________________ sidr mailing list [email protected] https://www.ietf.org/mailman/listinfo/sidr
