RE: Best practices for BGP Communities

[<adamv0025 () netconsultings com>]

> From: NANOG <nanog-bounces () nanog org> On Behalf Of Arnold Nipper
> Sent: Wednesday, March 6, 2019 6:57 PM
>
> On 04.03.2019 19:15, John Kristoff wrote:
> > On Mon, 4 Mar 2019 01:42:02 +0000
> > Joshua Miller <contemno () gmail com> wrote:
> >
> > > A while back I read somewhere that transit providers shouldn't delete
> > > communities unless the communities have a specific impact to their
> > > network, but my google-fu is failing me and I can't find any sources.
> >
> > Perhaps you're referring to this recent work?
> >
> >   <https://archive.psg.com/181101.imc-communities.pdf>
>
> See also
>
>  https://2019.apricot.net/assets/files/APKS756/weaponizing-bgp-using-
> communities.pdf
And the list goes on...
Route-target extended community anyone? Yup I'm talking about routes being injected to your L3VPN customers'/services' 
routing-instances(VRFs).

adam