Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-vn-yang-05.txt
tom petch <ietfa@btconnect.com> Wed, 03 July 2019 10:12 UTC
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From: tom petch <ietfa@btconnect.com>
To: Young Lee <leeyoung@futurewei.com>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: [Teas] FW: I-D Action: draft-ietf-teas-actn-vn-yang-05.txt
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Date: Wed, 03 Jul 2019 10:12:16 +0000
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Subject: Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-vn-yang-05.txt
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Top posting about references, lack of. You could do worse than use teas-yang-te-topo as an exemplar for when to include references.. YANG should have a reference in Introduction, probably RFC7950, Normative In the YANG module, which will get extracted and so has to make sense on its own, without the rest of the RFC-to-be feature multi-src-dest { A good general principle is that any optional feature should have a reference where I can see what it adds that is not in the base model. the identity derived from identity vn-compute-state-type { I would like to learn more about - what happens when a compute fails, what happens while it is in progress? typedef vn-disjointness { what is it? (I see no mention of disjoint in RFC8453) "VNAP related information"; perhaps a reference to RFC8453 s.6 "Reference LTP in the TE-topology"; where can I find more about LTP - I see no ltp in RFC8453 leaf connectivity-matrix-id could reference te-topo for more information on connectivty-matrices "The list of metrics for VN"; te-topo has references for metrics; you could either reference them or reference te-topo "a virtual network is identified by a vn-id"; well yes but I want to know more about id and name, their usage, constraints thereon and so on; RFC8453 seeme silent on this Tom Petch ----- Original Message ----- From: "Young Lee" <leeyoung@futurewei.com> To: "tom petch" <ietfa@btconnect.com>; <teas@ietf.org> Sent: Tuesday, July 02, 2019 3:49 PM Hi Tom, Thanks for your comments. My apology for a delayed response. Please see inline for my comment. Thanks. Young -----Original Message----- From: tom petch [mailto:ietfa@btconnect.com] Sent: Thursday, June 20, 2019 11:25 AM To: Young Lee <leeyoung@futurewei.com>; teas@ietf.org Subject: Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-vn-yang-05.txt ----- Original Message ----- From: "Young Lee" <leeyoung@futurewei.com> To: <teas@ietf.org> Sent: Friday, June 14, 2019 7:44 PM > Hi WG, > > The changes for this revision are as follows: > > - Added in Introduction Section on how the VN model can support 5G transport context. > - in Section 3.2: case 2 --- clarified how VN model is used along with TE-topo Connectivity matrices construct and added a paragraph to introduce the JSON example of the models (in Section 7) > - For YANG model: converted "ltp" from configurable parameter to leafref type; added references for imported modules. > - Editorial: affiliation changes for a co-author; Compliant with five front page authors' list. As I said of -03, rather short on references and some that are seem wrong. Look, for example, at draft-ietf-pim-igmp-mld-yang-15. to see the sort of level of reference that a YANG module benefits from. YL>> It will be good to be specific on which references are wrong and what needs to be added. Several of the existing references should be Normative, according to YANG Guidelines. YL>> Again, can you point which ones you think Normative? You have import ietf-te-types { prefix "te-types"; reference"I-D.ietf-teas-yang-te-types: Traffic Engineering but in the list of prefixes, always a good thing to have, is | te-types| ietf-te-types | [TE-Tunnel] | while the I-D References has [TE-tunnel] T. Saad, et al., "A YANG Data Model for Traffic Engineering Tunnels and Interfaces", work in progress: draft-ietf-teas-yang-te. which looks like a mismatch. YL>> Yes, you're right. The reference should be TE-type as TE-type was separated out from TE-tunnel model. Will correct this in the revision. VN is expanded in the text but I think needs expanding in the Title of the I-D and in the YANG module; others need expanding on first use; L3SM, L2SM and L1CSM YL>> OK. Agreed. And I think you should provide a reference for VN up front, something along the lines of "For more information on Virtual Networks, see [RFC8453]" in the Introduction, first paragraph. (I don't think that RFC8453 is a brilliant reference for VN but I cannot find a better one). YL>> Agree. Will add the VN reference up front. Tom Petch > Thanks. > Young & Dhruv > > -----Original Message----- > From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of internet-drafts@ietf.org > Sent: Friday, June 14, 2019 1:28 PM > To: i-d-announce@ietf.org > Cc: teas@ietf.org > Subject: [Teas] I-D Action: draft-ietf-teas-actn-vn-yang-05.txt > > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > This draft is a work item of the Traffic Engineering Architecture and Signaling WG of the IETF. > > Title : A Yang Data Model for VN Operation > Authors : Young Lee > Dhruv Dhody > Daniele Ceccarelli > Igor Bryskin > Bin Yeong Yoon > Filename : draft-ietf-teas-actn-vn-yang-05.txt > Pages : 56 > Date : 2019-06-14 > > Abstract: > This document provides a YANG data model generally applicable to any > mode of Virtual Network (VN) operation. >
- [Teas] FW: I-D Action: draft-ietf-teas-actn-vn-ya… Young Lee
- [Teas] I-D Action: draft-ietf-teas-actn-vn-yang-0… internet-drafts
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… Young Lee
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… tom petch
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… Qin Wu
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… Young Lee
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… Lou Berger
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… Young Lee
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… Young Lee
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… Qin Wu
- Re: [Teas] FW: I-D Action: draft-ietf-teas-actn-v… tom petch