Re: [Supa] DRAFT minutes for SUPA WG at IETF 95
"Liushucheng (Will)" <liushucheng@huawei.com> Tue, 03 May 2016 18:48 UTC
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From: "Liushucheng (Will)" <liushucheng@huawei.com>
To: Nevil Brownlee <n.brownlee@auckland.ac.nz>, SUPA list <supa@ietf.org>
Thread-Topic: [Supa] DRAFT minutes for SUPA WG at IETF 95
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Date: Tue, 03 May 2016 18:48:04 +0000
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Subject: Re: [Supa] DRAFT minutes for SUPA WG at IETF 95
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>Bert: have not seem call for adoption in mailing list. want to review > the draft. Daniel King <d.king@lancaster.ac.uk> s/seem/seen and remove " Daniel King <d.king@lancaster.ac.uk>" Should be Bert: have not seen call for adoption in mailing list. want to review the draft. The rests are fine with me. Cheers, Will (Shucheng LIU) > -----Original Message----- > From: Supa [mailto:supa-bounces@ietf.org] On Behalf Of Nevil Brownlee > Sent: Tuesday, April 19, 2016 11:37 PM > To: SUPA list > Cc: Nevil Brownlee > Subject: [Supa] DRAFT minutes for SUPA WG at IETF 95 > > > Hi all: > > Thanks to Will(Shucheng) LIU for his careful note-taking! > > Here is the first draft of the minutes of our WG meeting at IETF 95 in Buenos > Aires. > > If you find any errors, or have suggestions for improvements (i.e. better text ), > please send them to me at the address cced on this email. I plan to post the > final version on the SUPA Proceedings page on about 26 April. > > Cheers, Nevil > > > SUPA Minutes by Will(Shucheng) LIU and Nevil Brownlee > > ================================================== > Simplified Use of Policy Abstractions WG (supa) Agenda for IETF 95, Buenos > Aires (95-minutes-00) Friday, 8 April 2016, 1220-1320, Atlantico C > ================================================== > > Chairs: > Nevil Brownlee <n.brownlee@auckland.ac.nz> > Daniel King <d.king@lancaster.ac.uk> > > About 30 people present, plus 5 others on Meetecho and 7 on jabber. > > AGENDA: > > 1. Note Well, Agenda review, Scribes = 2 min > > Chairs: Main focus is to get our deliverables going. No changes to the > proposed agenda. > > 2. Update from last meeting / WG Status (Nevil) = 3 min > - Call for adoption issued for Policy Model > - We need to decide on other drafts to adopt > > Nevil gave a brief update from the last WG meeting. > > 3. Current charter work items > > a) Generic Policy Information Model = 10 min > draft-strassner-supa-generic-policy-info-model-05 > Presenter: John Strassner [JS] > > JS: Motivation for building an information model is twofold > 1) policy spans many different actors (end-users, business people, > application developers, admins, ...) > 2) policies cover multiple technologies and abstractions > Hence, we need a consistent form and structure to enable > different actors to communicate with each other and work > together. Reminded that the WG chairs issued a call for > adoption. > > Benoit: speak as a contributor: after checking the mailing list, > about the poll for adoption. Two questions: is it gppd work > to have IM? shall we publish this? The answers are, the > charter said we might work on IM and derive DM with IM. Then > nwe'll see in the end whether we should publish it. > > JS: aggree, good advice. > Dan King: Who has read this draft? About 10 hands. > Dan King: Who think it would be a good start for a model, if we > decide to adopt? - aroud 20 hands. > >>> Chairs will ask again (on list) for adoption as WG item. > > > b) YANG Data Model Draft(s) = 10 > min > draft-halpern-supa-generic-policy-data-model-00 > Presenter: Joel [JH] > > JH: Is the working group willing to adopt this draft? > Anh Le (Netcracker): Does this model nested policy (if then else if, etc)? > JH: The representation of property of policy is captured by IM. There > are clauses,e.g., in ECA there are E/ C/ A clauses, each is a class. > Bert: have not seem call for adoption in mailing list. want to review > the draft. Daniel King <d.king@lancaster.ac.uk> > > Nevil: how many looked at the draft? - around 15 hands. > Andy Bieman: is this to be the solution for users of SUPA? > JH: Yes, this is the generic policy YANG DM, and hence, > a part of the SUPA solution. > Nevil: are people ok with calling for adoption? - around 10 hands > Bert: need more time to read it. > >>> Chairs will ask (on list) for adoption as WG item. > > > c) Applicability of SUPA = 10 min > draft-vadrevu-supa-applicability-06 > Presenter: Ying Chen [YC] > > YC: Would like to see this I-D adopted by the WG. > Will: It has several use cases, may need a priority of them > YC: We have the actual use case that will be used in our network, > wewill focus on that. > Diego Lopez: We have three model drafts, how should we merge and use > them? > We need a single document describing the supa model. > Dan King: Combine the use cases, merging of the architecture doc. > Show how the architecture. > How many people have read this document? - around 15 hands > Nevil: There is a lot of work in here, but it's unclear how all of that > work meets the deliverables. Would like to see it more concise and > focused, it needs further discussion on the list. When it becomes > better define chairs will call for adoption as a WG item. > > > d) SUPA Framework & Architecture = 10 min > Presenter: Bert [BW] > > BW: Proposes a path forward. Previous efforts were listed, asked a > set of questions that have been raised. proposed the formation > of a design team. > Andy Bierman: too complex, I like a solution in the scope, would like > to know who are implementing this and who will use it. > > Nevil: We already have a design team - the group of authors that have > authored this draft (or all of us in SUPA?). > I'd like to keep the wg focussed on its charter deliverables. > Bert: Need an architecture, to clearly explain the particular > components to use. > JS: Charter didn't contain architecture, otherwise we need to recharter. > The IETF works bottom up, but architectures are done top-down. > Bert: Framework should be used. > Andy: Have a framework with no use cases, no need for a framework. > Benoit: The charter says ... [reading the charter] > JS: There are examples in the IM, there will be examples added to > the DM, applicability already has 5 use cases. > Nevil: discuss on list. > Joel: There are I-Ds out there, what is wrong with them? Why can't we > discuss these drafts and fix them, instead of starting from scratch? > Bert: I propose to have a design team to evaluate the exisitng ones. > Georgios: Ask the authors of framework, whether they like to join > the design team. Should discuss whether to work on exsitng or > write new ones. > Nevil: Chair position: all should comment on the existing draft > candidates on the mailing list, discuss what part(s) should be > improved - "send text for improvements to the list! > We're running out of time, we have a another presentation from Jun > Bi. > > > 4. Discussion: which drafts to adopt as WG items? = 5 min > Chairs will ask on list for adoption of IM and DM drafts > (marked >>> above) > > 5. Any Other Business = > Remaining min > > a) Problem Statement for Simplified Use of Policy Abstractions (SUPA) > draft-bi-supa-problem-statement-00 > Presenter: Jun BI [JB] > JB: This draft has existed for a while; the current version reflects > the changes that have been made to the supa value-proposition draft. > > Nevil: how many read it? - around 10 hands > We want to see the discussion on this go on, in particular we need > more discussion on the IM and DM. More progress on DM would be > very welcome. > > -- > --------------------------------------------------------------------- > Nevil Brownlee Computer Science > Department > Phone: +64 9 373 7599 x88941 The University of Auckland > FAX: +64 9 373 7453 Private Bag 92019, Auckland 1142, New Zealand > > _______________________________________________ > Supa mailing list > Supa@ietf.org > https://www.ietf.org/mailman/listinfo/supa
- [Supa] DRAFT minutes for SUPA WG at IETF 95 Nevil Brownlee
- Re: [Supa] DRAFT minutes for SUPA WG at IETF 95 Liushucheng (Will)
- Re: [Supa] DRAFT minutes for SUPA WG at IETF 95 King, Daniel