On Wednesday, May 28, 2014 08:21:52 AM Krasimir Avramski wrote: > Well with the caveat that in RPT-SPT after the first > Receiver PE travels the RPT, the (S,G) state is already > known to remaining Receiver PEs due to bgp inherent > protocol optimization - type-5 SA generated by source > PE, so we are effectively in the SPT-only operation > after the first subscriber behind the "first Receiver > PE".
We'd just rather do without the extra step. It's not typical of (traditional) Multicast design, but from my side, it's a welcome optimization that I would wish upon anyone. The extra control plane state is minimal, even at scale. Mark.
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