Hi Chris, The conversation is about "slow router" in transit position.
/Louis -----Original Message----- From: Christian Hopps <[email protected]> Sent: Friday, April 21, 2023 5:08 AM To: Louis Chan <[email protected]> Cc: Les Ginsberg (ginsberg) <[email protected]>; Liyan Gong <[email protected]>; Christian Hopps <[email protected]>; Ketan Talaulikar <[email protected]>; Krzysztof Szarkowicz <[email protected]>; Robert Raszuk <[email protected]>; linchangwang <[email protected]>; AceeLindem <[email protected]>; 程伟强 <[email protected]>; [email protected]; Peter Psenak (ppsenak) <[email protected]> Subject: Re: [Lsr] IETF-116 LSR - IGP extensions forAdvertisingOffsetforFlex-Algorithm [External Email. Be cautious of content] Louis Chan <[email protected]> writes: > Hi All, > > Here is an email I would like to address multiple comments and issues. > > My comment starts with [lc] > > /Louis > > 1. About the weakest control plane > >>>> From Chris. H > > Operators with 1000s of routers and routers with 1000s of interfaces > don't create flooding choke-points, and especially don't then drop > crappy routers in said choke-points. We should not modify our routing > protocols to support such poor network design. > > <<< > > > > [lc] For a network of 1000+ routers, it is usually NOT a greenfield > deployment. It is likely a brownfield deployment. > > There are reasons that these older generations of routers could not be > replaced easily. One common problem is the legacy interface support, > and the port density of such low speed interfaces. I did not say that operators have no slow/crappy routers. > Have you heard that some operators still ask for 1G/10G support in new > core router? > > Therefore, it requires some method to let these "weaker" control > planes to co-exist, plus rather predictable network stability. I'll > show you how it can be achieved. No it doesn't, since slow routers on the network edge work just fine w/o affecting overall stability or flooding speed of the core. Thanks, Chris. [as wg-member] > [/lc] Juniper Business Use Only _______________________________________________ Lsr mailing list [email protected] https://www.ietf.org/mailman/listinfo/lsr
