BGP flooding

Robert Raszuk robert at raszuk.net
Tue Jun 23 12:54:11 UTC 2020


>
> > So to sum it up you simply can not run into any scaling ceiling with
> MP-BGP
> > architecture.
>
> Flooding nature of BGP requires all the related entities treat
> everything, regardless of whether they need it entirely or not.


That is long gone I am afraid ... Hint RFC 4684. Now applicable to more
and more AFI/SAFIs.

Also from day one of L3VPNs, PEs even if receiving all routes were dropping
on inbound (cheap operation) those routes which contained no locally
intersecting RTs.

Thx,
R.
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