[j-nsp] BGP full mesh or route reflector

[James Bensley]

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On Wednesday, January 21st, 2026 at 09:23, Saku Ytti <saku at ytti.fi> wrote:
> You can definitely configure RR poorly and end up having some
> downsides to full-mesh.
> 
> But full-mesh has other downsides than scale, it is also fragile, you
> lose any one session and you have an outage. And your initial
> convergence is much longer without RR.

^ This is the important point I think.

Most networks I have worked on have/had RRs, but not all. And both scenarios have pros and cons. I just wanted to provide some data points about full meshes because, I think that every network I've worked on with RRs, had RRs not because it was well thought out and clearly the best thing to do for that network, they had RRs because earlier someone just assumed RRs were needed.

Cheers,
James.

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