Re: [Teas] Comments on draft-ietf-teas-lsp-diversity-02
"Zafar Ali (zali)" <zali@cisco.com> Wed, 28 October 2015 02:41 UTC
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From: "Zafar Ali (zali)" <zali@cisco.com>
To: Lou Berger <lberger@labn.net>, "draft-ietf-teas-lsp-diversity@ietf.org" <draft-ietf-teas-lsp-diversity@ietf.org>
Thread-Topic: Comments on draft-ietf-teas-lsp-diversity-02
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Date: Wed, 28 Oct 2015 02:41:01 +0000
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Cc: TEAS WG <teas@ietf.org>
Subject: Re: [Teas] Comments on draft-ietf-teas-lsp-diversity-02
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Dear Lou- Thanks for the comments. I agree, we will resolve your comments before the LC starts. More later. Thanks Regards Š Zafar On 10/27/15, 9:40 PM, "Lou Berger" <lberger@labn.net> wrote: >Hello, > As part of Shepherding draft-ietf-teas-lsp-diversity I have reviewed >this document and have some comments/questions. Most of my >comments/questions are editorial/minor in nature. > >First some general questions: > >- You define a number of "Notify Error" subcodes, but only sometimes say >what the upstream node should do. I think this needs to be covered in >all cases. You might find RFC5710 a helpful reference. > >- Separate DI type values are defined for V4 and V6. As DI type is >defined with address family specific subobject, there appears to be no >technical basis for this. Am I missing something, i.e., is there any >reason to have AF specific values rather than just defining 1-3 in an AF >family agnostic values? > >- Assuming you make the previous change you can also combine the >respective object/field definitions along the lines of what you have in >section 2.3. This will have better consistency for the objects and the >document. > >I have the following editorial/minor comments: > >- ID nits, see >https://tools.ietf.org/idnits?url=https://tools.ietf.org/id/draft-ietf-tea >s-lsp-diversity-02.txt >, has 3 warnings that need to be addressed. > >Line numbers are from the idnits URL > >- Section 2.1.1 and 2.1.2 contain definitions of fields defined in other >documents. These should be replaced with simple references to the >original definition rather than being repeated. Interestingly, Section >2.3 already does this. > >- Section 2.1.1, line 443. Drop the word "border" as it applies to any >node performing the expansion > >- Section 2.1.1.. lines 470/1. Doesn't the "Note:" apply to all > >- Section 2.1.1., Section 2. PAS - as this document defines PAS there >should be some guidance and/or guidelines for their creation and use. >For example, one may conclude that PAS need to get propagated similar to >SRLGs - but I'm sure this isn't the current intent. > >Section 2.2. What happens when a processing node encounters and unknown >DI type? This should be documented. > >Line 703: s/EN/a node/ > >Lines 716,720. As this is a procedures section shouldn't conformance >language be used rather than "shall" and "do not need"? > >Line 821: S/PSR/Path_State_Removed flag (PSR) [RFC3473] > >Section 2.3. Are the error subcodes the same for XRO and EXRS >processing? I suspect not. > >I think that's it. I think it makes sense to resolve these prior to >last call so that folks can review a version that is slightly more ready >for publication. > >Lou >
- [Teas] Comments on draft-ietf-teas-lsp-diversity-… Lou Berger
- Re: [Teas] Comments on draft-ietf-teas-lsp-divers… Zafar Ali (zali)
- Re: [Teas] Comments on draft-ietf-teas-lsp-divers… Dieter Beller
- Re: [Teas] Comments on draft-ietf-teas-lsp-divers… Lou Berger
- Re: [Teas] Comments on draft-ietf-teas-lsp-divers… Zafar Ali (zali)