Re: [Lsr] IS-IS Requirements for Area Abstraction (Corrected Alias for ADs)

dem (acee)) 2. Re: IS-IS Requirements for Area Abstraction (Corrected Alias for ADs) (Alvaro Retana) From: "Acee Lindem (acee)" To: "lsr@ietf.org" Cc: "rtg-...@ietf.org" Sent: Mon Jan 27 11:17:49 CST 2020 Subject: [Lsr] IS-IS Requirements for A

Re: [Lsr] IS-IS Requirements for Area Abstraction (Corrected Alias for ADs)

Dear Acee, Chris and LSR WG, In the Post Multi-Chassis era, it is more and more common to consider CLOS design for core router (aka De-segregated router). Unlike data center, it requires to run LSR in the “fabric” and dramatically increase the numbers of LSR speakers in the core network. So, th

Re: [Lsr] IS-IS Requirements for Area Abstraction (Corrected Alias for ADs)

Acee and Chris, The flood-reflector draft solves a legitimate problem for large networks. This is of high interest. Thanks, Alankar On January 27, 2020 at 1:27:13 PM, Acee Lindem (acee) (a...@cisco.com) wrote: Speaking as WG Co-chair: At IETF 107, we had a

Re: [Lsr] IS-IS Requirements for Area Abstraction (Corrected Alias for ADs)

please do not co-mingle hierarchical ISIS and flood reduction drafts into this discussion. Albeit seemingly related the ttz/abstract/flood-reflector drafts solve a different, valid problem of multiple large operators that hierachical,flood-reduce cannot solve albeit they can be used @ the same time

Re: [Lsr] IS-IS Requirements for Area Abstraction (Corrected Alias for ADs)

FYI… Because I am one of the co-authors of draft-chen-isis-ttz, I am recusing myself from this discussion. Martin will be the responsible AD for it, should one be needed. Alvaro. On January 27, 2020 at 1:27:13 PM, Acee Lindem (acee) (a...@cisco.com) wrote: Speaking as WG Co-chair: At IETF 1

[Lsr] IS-IS Requirements for Area Abstraction (Corrected Alias for ADs)

Speaking as WG Co-chair: At IETF 107, we had a protracted discussion of several drafts having goal of reducing the amount of link-state information that must be flooded into the level-2 area. We have two drafts that do this essentially via abstraction of the level-1 areas. These are: https://