Re: [Teas] FW: New Version Notification for draft-lee-teas-te-service-mapping-yang-11.txt
"Adrian Farrel" <adrian@olddog.co.uk> Wed, 17 October 2018 12:21 UTC
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Reply-To: adrian@olddog.co.uk
From: Adrian Farrel <adrian@olddog.co.uk>
To: 'Leeyoung' <leeyoung@huawei.com>, 'Lou Berger' <lberger@labn.net>, draft-lee-teas-te-service-mapping-yang@ietf.org, teas@ietf.org
References: <153729682108.8569.6079760050660778983.idtracker@ietfa.amsl.com> <7AEB3D6833318045B4AE71C2C87E8E173D063DF0@sjceml521-mbx.china.huawei.com> <5d16d8f4-156f-4c6a-5832-08664417aea3@labn.net> <7AEB3D6833318045B4AE71C2C87E8E173D064FCE@sjceml521-mbx.china.huawei.com> <ca58cd92-e0ea-e479-fa0e-71697bd5be20@labn.net> <7AEB3D6833318045B4AE71C2C87E8E173D066D05@sjceml521-mbx.china.huawei.com> <17db4372-f15c-fc8d-601f-0e843ef7b44a@labn.net> <7AEB3D6833318045B4AE71C2C87E8E173D0670DB@sjceml521-mbx.china.huawei.com>
In-Reply-To: <7AEB3D6833318045B4AE71C2C87E8E173D0670DB@sjceml521-mbx.china.huawei.com>
Date: Wed, 17 Oct 2018 13:21:23 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/11f4q4JWByeT4NOO6vQglAFmjk8>
Subject: Re: [Teas] FW: New Version Notification for draft-lee-teas-te-service-mapping-yang-11.txt
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So does that mean we're all aligned and on board with this document? Well, at least as far as agreeing it's a good starting point for bridging the gap between service models (which I love) and ACTN (which Young loves, and which the WG seems to be backing). Adrian > -----Original Message----- > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Leeyoung > Sent: 05 October 2018 19:47 > To: Lou Berger; draft-lee-teas-te-service-mapping-yang@ietf.org; teas@ietf.org > Subject: Re: [Teas] FW: New Version Notification for draft-lee-teas-te-service- > mapping-yang-11.txt > > Hi Lou, > > Yes, you are correct, the first option is what we have taken. I agree with you that > the second option does not make much sense. > > Thanks. > Young > > -----Original Message----- > From: Lou Berger [mailto:lberger@labn.net] > Sent: Friday, October 5, 2018 1:08 PM > To: Leeyoung <leeyoung@huawei.com>; draft-lee-teas-te-service-mapping- > yang@ietf.org; teas@ietf.org > Subject: Re: [Teas] FW: New Version Notification for draft-lee-teas-te-service- > mapping-yang-11.txt > > Hi Young, > > > On 10/4/2018 10:29 AM, Leeyoung wrote: > > > > Hi Lou, > > > > I think we can do the augmentation approach. > > > > If we were to augment LxSM models, we have two choices: > > > > ·First choice: To have three separate augmented LxSM models so that > > each LxSM would augment independently from one another. > > > > ·Second choice: To have one YANG model where three augmentations take > > place there, which means all three LxSM models are augmented at the > > same time. > > > > I would think the first choice is what you meant. > > > > There's certainly room for identifying what is the best approach . This said, I > actually don't understand the second choice and unsure if it can be legally > supported (what does it mean for an implementation to support of module that > includes an augmentation to a non-supported module? maybe it works with > deviations?) While not sure about this, it sounds / looks like you took the first > choice. > > Lou > > > Thanks. > > > > Young > > > > -----Original Message----- > > > > From: Lou Berger [mailto:lberger@labn.net] > > > > Sent: Tuesday, September 25, 2018 6:05 PM > > > > To: Leeyoung <leeyoung@huawei.com>; > > draft-lee-teas-te-service-mapping-yang@ietf.org; teas@ietf.org > > > > Subject: Re: [Teas] FW: New Version Notification for > > draft-lee-teas-te-service-mapping-yang-11.txt > > > > Young, > > > > There was one comment on the list other than my question, right? > > Giuseppe's comment basically says it is provider information, right? > > So isn't this what NACM is all about, i.e., limiting information based > > on who is asking for it. So I still am unconvinced that the complexity > > of a new module yields any benefit. > > > > Just think of it from a transaction processing perspective. With the > > proposed approach, a client that wants to understand the mapping has > > to > > > > (1) read the service module), (2) search the service module for a > > mapping, and then (3) read the related TE information. With the > > augmentation approach (2) is eliminated and during processing (1) it's > > possible to see if the TE information even exists. This reduces > > processing on both clients and servers. > > > > While not a major point, I do think the added complexity should be > > more strongly justified. > > > > Lou > > > > On 9/25/2018 5:57 PM, Leeyoung wrote: > > > > > Hi Lou, > > > > > > > > > > I think this has been discussed in the mailing list when you asked > > the opinion on this issue. Please see the attachment. > > > > > > > > > > Please also refer to the IETF 102 slides (in particular page 3) for > > further information on this model and why the co-authors think it is > > beneficial to have a separate model than augmenting three separate > > service models. > > > > > > > > > > Thanks. > > > > > Young > > > > > > > > > > -----Original Message----- > > > > > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Lou Berger > > > > > Sent: Tuesday, September 25, 2018 3:32 PM > > > > > To: draft-lee-teas-te-service-mapping-yang@ietf.org; teas@ietf.org > > > > > Subject: Re: [Teas] FW: New Version Notification for > > > > > draft-lee-teas-te-service-mapping-yang-11.txt > > > > > > > > > > Hi Young/authors, > > > > > > > > > > Thanks for the update. I remain a bit confused/concerned that > > > > > this document adds a new standalone model rather than taking the > > > > > simpler approach of just augmenting the existing > > > service/connectivity > > > > > modules with the pointers to the TE/VN/tunnel information (perhaps > > > > > using > > > > > groupings?) > > > > > > > > > > Can you elaborate on your thinking here? > > > > > > > > > > Thanks, > > > > > Lou > > > > > > > > > > On 9/18/2018 2:55 PM, Leeyoung wrote: > > > > >> Hi, > > > > >> > > > > >> The revision is to fix YANG errors caused by the L1CSM YANG update. > > No content changes. > > > > >> > > > > >> Thanks. > > > > >> Young > > > > >> > > > > >> -----Original Message----- > > > > >> From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] > > > > >> Sent: Tuesday, September 18, 2018 1:54 PM > > > > >> To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>; Giuseppe > > > > >> Fioccola <giuseppe.fioccola@telecomitalia.it>; Dhruv Dhody > > > > >> <dhruv.ietf@gmail.com>; Jeff Tantsura <jefftant@gmail.com>; > > >> Leeyoung > > > > >> <leeyoung@huawei.com>; Qin Wu <bill.wu@huawei.com> > > > > >> Subject: New Version Notification for > > > > >> draft-lee-teas-te-service-mapping-yang-11.txt > > > > >> > > > > >> > > > > >> A new version of I-D, draft-lee-teas-te-service-mapping-yang-11.txt > > > > >> has been successfully submitted by Young Lee and posted to the IETF > > repository. > > > > >> > > > > >> Name: draft-lee-teas-te-service-mapping-yang > > > > >> Revision: 11 > > > > >> Title: Traffic Engineering and Service > > Mapping Yang Model > > > > >> Document date: 2018-09-18 > > > > >> Group: Individual Submission > > > > >> Pages: 22 > > > > >> URL: > > https://www.ietf.org/internet-drafts/draft-lee-teas-te-service-mapping > > -yang-11.txt > > > > >> Status: > > https://datatracker.ietf.org/doc/draft-lee-teas-te-service-mapping-yan > > g/ > > > > >> Htmlized: > > https://tools.ietf.org/html/draft-lee-teas-te-service-mapping-yang-11 > > > > >> Htmlized: > > https://datatracker.ietf.org/doc/html/draft-lee-teas-te-service-mappin > > g-yang > > > > >> Diff: > > https://www.ietf.org/rfcdiff?url2=draft-lee-teas-te-service-mapping-ya > > ng-11 > > > > >> > > > > >> Abstract: > > > > >> This document provides a YANG data model to map customer > > >>service > > > > >> models (e.g., the L3VPM Service Model) to Traffic Engineering > > >>(TE) > > > > >> models (e.g., the TE Tunnel or the Abstraction and Control of > > > > >> Traffic Engineered Networks Virtual Network model). This model > > >>is > > > > >> referred to as TE Service Mapping Model and is applicable to > > >>the > > > > >> operator's need for seamless control and management of their > > >>VPN > > > > >> services with TE tunnel support. > > > > >> > > > > >> The model is principally used to allow monitoring and > > diagnostics of > > > > >> the management systems to show how the service requests are > > >>mapped > > > > >> onto underlying network resource and TE models. > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> Please note that it may take a couple of minutes from the time of > > submission until the htmlized version and diff are available at > > tools.ietf.org. > > > > >> > > > > >> The IETF Secretariat > > > > >> > > > > >> _______________________________________________ > > > > >> Teas mailing list > > > > >> Teas@ietf.org > > > > >> https://www.ietf.org/mailman/listinfo/teas > > > > >> > > > > > _______________________________________________ > > > > > Teas mailing list > > > > > Teas@ietf.org > > > > > https://www.ietf.org/mailman/listinfo/teas > > > > > > > > > > > > > > > _______________________________________________ > > > > > Teas mailing list > > > > > Teas@ietf.org > > > > > https://www.ietf.org/mailman/listinfo/teas > > > > > > > > _______________________________________________ > > Teas mailing list > > Teas@ietf.org > > https://www.ietf.org/mailman/listinfo/teas > > _______________________________________________ > Teas mailing list > Teas@ietf.org > https://www.ietf.org/mailman/listinfo/teas
- [Teas] FW: New Version Notification for draft-lee… Leeyoung
- Re: [Teas] FW: New Version Notification for draft… Lou Berger
- Re: [Teas] FW: New Version Notification for draft… Leeyoung
- Re: [Teas] FW: New Version Notification for draft… Lou Berger
- Re: [Teas] FW: New Version Notification for draft… Leeyoung
- Re: [Teas] FW: New Version Notification for draft… Lou Berger
- Re: [Teas] FW: New Version Notification for draft… Leeyoung
- Re: [Teas] FW: New Version Notification for draft… Adrian Farrel