In favor!

Regards,
Jeff

> On Feb 1, 2019, at 08:02, Les Ginsberg (ginsberg) <ginsb...@cisco.com> wrote:
> 
> I am in favor of this proposal.
> 
>   Les
> 
>> -----Original Message-----
>> From: Lsr <lsr-boun...@ietf.org> On Behalf Of Christian Hopps
>> Sent: Friday, February 01, 2019 4:26 AM
>> To: lsr@ietf.org
>> Cc: cho...@chopps.org
>> Subject: [Lsr] Moving Forward [Re: Flooding Reduction Draft Redux]
>> 
>> 
>> Summary of where we are at with dynamic flooding reduction:
>> 
>> - We have a well written original work that came first and described the
>> problems as well as a TLVs to allow for a centralized solution (draft-li-
>> dyanmic-flooding). We do not need to standardize the centralized algorithm.
>> 
>> - A small change to this work allowed for distributed algorithms and for
>> outside work on distributed algorithms to continue in parallel.
>> 
>> - We have another original work that started primarily as a distributed
>> algorithm
>>   (draft-cc-ospf-flooding-reduction)
>> 
>> - Finally we also have:
>>   - Cross-pollination of ideas.
>>   - Failed attempts at merging.
>>   - An authors list "Arms-Race".
>> 
>> Moving forward:
>> 
>> - During IETF 103 I proposed we have no conflict if we:
>> 
>>   1) adopt draft-li-lsr-dyanmic-flooding as the base WG document.
>>   2) have authors of draft-cc-lsr-flooding-reduction work on a distributed
>> algorithm as they started with.
>> 
>> - Acee agreed during the meeting (as chair) that this was the best way
>> forward. We had some agreement form the floor as well.
>> 
>> - Any good ideas regarding the distribution of a centralized topology can be
>> debated and added (with appropriate attribution) to the base document
>> after we adopt one.
>> 
>> - This is what happens when we adopt a document as WG work, we work on
>> it.
>> 
>> - The original authors of the distributed solution can continue to work on
>> their distributed algorithm in a separate document which would also need
>> standardization.
>> 
>> Does anyone see a serious problem with this path forward?
>> 
>> Thanks,
>> Chris & Acee.
>> LSR Chairs.
>> 
>> Christian Hopps <cho...@chopps.org> writes:
>> 
>>> 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)
> 
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