Hi Chris,
sounds good to me.
thanks,
Peter
On 01/02/2019 13:25 , Christian Hopps wrote:
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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