BGP topological vs centralized route reflector

Saku Ytti saku at
Wed Feb 13 18:00:33 UTC 2019


in-band, out-of-band is bit of misnomers to me. You mean in-path or out-of-path.

Main advantage of out-of-path is that you decouple FIB and RIB scaling
requirements and feature requirements. Your backbone device does not
need to be qualified for large RIB or BGP at all. And when you do need
more RIB scaling, you can upgrade out-of-path without any network

Main advantage of in-path is maturity and simplicity, you don't need
ORR and you might not need AddPath.

On Wed, Feb 13, 2019 at 7:37 PM Mohammad Khalil <eng.mssk at> wrote:
> Dears
> Am trying to find some documents and practical implementations regarding bgp topological vs centralized route reflector(In-band vs out-of-band)
> Any good shares are appreciated


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