Multi-homed implementation and BGP convergence time
kloch at kl.net
Fri Sep 11 23:19:22 UTC 2009
Seth Mattinen wrote:
> Jay Hennigan wrote:
>> "Tier 1", "tier 2" etc. are terms used primarily by salespeople, and
>> don't have a lot to do with technical matters.
> Sure it does. If you're multihoming it will increase your AS path length.
There is no general correlation between AS path length and whether
or not a network pays to exchange traffic.
There is a noticeable correlation between cost and local-preference,
as-path prepending, metric setting and other ways networks control
how they send you traffic. This is affected by peering selectivity
as well as transit prices.
More information about the NANOG