It may be useful in some corner case and under careful design, but not the evolution of IGP, or the widespread deployment trend within operators.
Let’s see in futures how many ISPs will evolve their infrastructure into this direction. Best Regards Aijun Wang China Telecom From: Tony Przygienda <[email protected]> Sent: Tuesday, December 7, 2021 2:55 AM To: Aijun Wang <[email protected]> Cc: Acee Lindem (acee) <[email protected]>; lsr <[email protected]> Subject: Re: [Lsr] WG Last Call fo "IS-IS Flood Reflection" -draft-ietf-lsr-isis-flood-reflection-05 On Mon, Dec 6, 2021 at 4:42 PM Aijun Wang <[email protected] <mailto:[email protected]> > wrote: Do not support its publication. Very curious which operator will have such network design that the L1 routers locate in the middle but the L2 routers sits around them. Do read the draft carefully to understand that this is an evolution of a L2 network (which large amount of providers world-wide run since 20+ years by now) and not description of current deployment. This technology is being deployed by large operators currently who face the challenge of ISIS L2 not scaling to the numbers they seek based on several drivers. -- tony
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