Re: ping-pong phenomenon with p2p links & /127 prefixes

[Randy Bush <randy@psg.com>]

> With OSPF etc, a boundary, such as there is one, runs through the
> middle of a router, the link is all in one part (area, domain ...) and
> so the administration of the two ends is closely linked and operations
> can be too.

<red herring>

igp can cross a confederation boundary which separates administrative
entities.

> With BGP, a boundary runs through the middle of a link, the two ends
> (at least of eBGP) belong to different administrations with, likely,
> different views of how to operate a network, potentially different
> equipment manufacturers etc.  (Adherence to RFC matters more:-)

i know it will be a shock to wes and the cisco gang, but some providers
are multi-vendor within a single administrative domain.  :)

randy