[Lsr] Flooding Reduction Draft Redux

[Christian Hopps <[e-mail]>]

We've had the authors of the individual conflicting drafts take a shot at merging their work.

    This has failed.

Here is the full history (which I also summarized during IETF103 as well). I will send a second email discussing this.

 - Jan 2, 2018 Publication: draft-li-dynamic-flooding and drfat-li-dynamic-flooding-isis
   published centralized solution.

 - Mar 5, 2018 Publication: draft-cc-isis-flooding-reduction and draft-cc-ospf-flooding-reduction
   published distributed solution.
   - mention of centralized solution asserting it is not good choice.

 - IETF 101 (Mar 2018)
   - Video: https://www.youtube.com/watch?v=qHmT4ytMn4w&list=PLC86T-6ZTP5j_HaBNdfPbgxGIp22cnaWS
   - Minutes: https://datatracker.ietf.org/meeting/101/materials/minutes-101-lsr-00
   - draft-li-dynamic-flooding-02 presented (1 author). at IETF 101
     - Generally well received.
   - draft-cc-ospf-flooding-reduction-00 (4 authors) presented.
     - Serious problems immediately found during presentation -- not fully baked.

 - Mar 18, 2018 draft-li-dynamic-flooding-03 published (1 author)
 - Mar 27, 2018 draft-li-dynamic-flooding-04 published (1 author)
 - Apr 20, 2018 draft-cc-ospf-flooding-reduction-01 revised
 - Jun 28, 2018 draft-li-dynamic-flooding-05 published (2 authors)
   - *SMALL CHANGE TO SUPPORT DISTRIBUTED ALGORITHM*.
   - Does not specify distributed algorithm only how to indicate one in use, small change.

 - Jul 2, 2018 draft-cc-ospf-flooding-reduction-02 published

 - IETF 102 (Jul 14, 2018)
   - draft-li-dynamic-flooding-05 presented.
   - draft-cc-ospf-flooding-reduction-02 presented.

 - Sep 12, 2018 draft-cc-ospf-flooding-reduction-03 (4 authors)
   - *LARGE CHANGE ADDS NEW CENTRALIZED SOLUTION*.

 - Sep 20, 2018 draft-cc-ospf-flooding-reduction-04 (4 authors)

 - Oct 21, 2018 draft-li-lsr-dynamic-flooding-00 and -01 (5 authors)

 - IETF 103 (Nov 3, 2018)

   - Chairs give direction

     - draft-li-lsr-dynamic-flooding-05 having come first, being well written and not
       specifying a distributed algorithm (merely allowing for one) is the correct vehicle
       to adopt as a base document.

     - Distributed algorithm work (the original basis for draft-cc-ospf-flooding-reduction)
       should continue as a separate document form the base which would thus we have no
       conflicts.

 - In the meantime the authors try and merge work, this fails.

 - Dec 3, 2018 draft-li-lsr-dynamic-flooding-02 (7 authors)

 - Dec 10, 2018 draft-cc-lsr-flooding-reduction-00 (4 authors)

 - Jan 7, 2019  draft-cc-lsr-flooding-reduction-01 (8 authors)