Re: [mpls] MPLS-RT experts review for draft-gandhi-mpls-rfc6374-sr
Rakesh Gandhi <rgandhi.ietf@gmail.com> Mon, 15 June 2020 17:41 UTC
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From: Rakesh Gandhi <rgandhi.ietf@gmail.com>
Date: Mon, 15 Jun 2020 13:41:04 -0400
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To: Yimin Shen <yshen=40juniper.net@dmarc.ietf.org>
Cc: "draft-gandhi-mpls-rfc6374-sr@ietf.org" <draft-gandhi-mpls-rfc6374-sr@ietf.org>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, "mpls@ietf.org" <mpls@ietf.org>, "huaimo.chen@futurewei.com" <huaimo.chen@futurewei.com>
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Subject: Re: [mpls] MPLS-RT experts review for draft-gandhi-mpls-rfc6374-sr
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Thanks Yimin for the review and your comments. Please see comments inline with <RG>.. On Sun, Jun 14, 2020 at 8:04 PM Yimin Shen <yshen= 40juniper.net@dmarc.ietf.org> wrote: > Hi WG, > > > > I was assigned as a reviewer for draft-gandhi-mpls-rfc6374-sr. I have now > completed my review. > > > > The document addresses packet loss and delay measurement for SR-MPLS, by > building it on top of the mechanism specified by RFC 6374. This is a useful > feature. The document is coherent and technically sound. I think it is > ready for WG adoption. > <RG> Many thanks. > > In the meanwhile, I do have a few questions and comments, and hope they > could be addressed by the authors. > > > > [1] The document uses terms “SR link(s)” and “SR-MPLS link(s)” > interchangeably. I’d like to suggest to change “SR link(s)” to “SR-MPLS > link(s)”, for consistency and also as “SR links” include SRv6 links which > are out of the scope. > <RG> Ok, updated the text in the document. > > > [2] The term “SR-MPLS links” needs further clarification. Does it mean > MPLS links (in an SR-MPLS environment), or there is something more specific > ? Either case, please clarify whether the procedures for “SR-MPLS links” in > this document are actually the same as those for MPLS links in RFC 6374, or > high light the changes explicitly. > <RG> It is MPLS links, in an SR-MPLS environment. Updated the text in the document. > > [3] In sections 4.4 and 6.2, respectively: > > > > The Return Path TLV is Mandatory when used. If responder does not > > support this TLV, it MUST return Error 0x17: Unsupported Mandatory > > TLV Object. > > > > The Block Number TLV is Mandatory when used. If responder does not > > support this TLV, it MUST return Error 0x17: Unsupported Mandatory > > TLV Object. > > > > Is it mandatory that both the sender and the responder must support this > document ? > <RG> These TLVs have Types allocated from the Mandatory Type range for RFC 6374. The support for them is optional. > Is it possible for a sender (supporting the document) to inter-op with a > responder supporting only RFC 6374, i.e. a mixed mode ? If the mixed mode > is allowed, it would deserve some text (or a section) to explain and > clarify the procedures and applicabily. > <RG> Added a new section 10 for Compatibility in the document. Thanks, Rakesh > > Thanks, > > > > -- Yimin Shen > > Juniper Networks > > > > > > *From: *Tarek Saad <tsaad.net@gmail.com> > *Date: *Wednesday, May 6, 2020 at 10:46 AM > *To: *Yimin Shen <yshen@juniper.net>, "xufeng.liu.ietf@gmail.com" < > xufeng.liu.ietf@gmail.com>, "huaimo.chen@futurewei.com" < > huaimo.chen@futurewei.com> > *Cc: *"mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, " > draft-gandhi-mpls-rfc6374-sr@ietf.org" < > draft-gandhi-mpls-rfc6374-sr@ietf.org> > *Subject: *MPLS-RT experts review for draft-gandhi-mpls-rfc6374-sr > > > > *[External Email. Be cautious of content]* > > > > Yimin, Xufeng, and Huaimo, > > > > You have be selected as MPLS-RT reviewers for draft-gandhi-mpls-rfc6374-sr. > > > > Note to authors: You have been CC'd on this email so that you can know > that this review is going on. However, please do not review your own > document. > > > > Reviews should comment on whether the document is coherent, is it useful > (ie, is it likely to be actually useful in operational networks), and is > the document technically sound? We are interested in knowing whether the > document is ready to be considered for WG adoption (ie, it doesn't have to > be perfect at this point, but should be a good start). > > > > Reviews should be sent to the document authors, WG co-chairs and WG > secretary, and CC'd to the MPLS WG email list. If necessary, comments may > be sent privately to only the WG chairs. > > > > If you have technical comments you should try to be explicit about what > *really* need to be resolved before adopting it as a working group > document, and what can wait until the document is a working group document > and the working group has the revision control. > > > > Are you able to review this draft by May 20, 2020? Please respond in a > timely fashion if you cannot make it. > > > > Regards, > > Tarek > > (as MPLS WG chair) > > Juniper Business Use Only > _______________________________________________ > mpls mailing list > mpls@ietf.org > https://www.ietf.org/mailman/listinfo/mpls >
- Re: [mpls] MPLS-RT experts review for draft-gandh… Greg Mirsky
- Re: [mpls] MPLS-RT experts review for draft-gandh… Huaimo Chen
- Re: [mpls] MPLS-RT experts review for draft-gandh… Huaimo Chen
- Re: [mpls] MPLS-RT experts review for draft-gandh… Huaimo Chen
- Re: [mpls] MPLS-RT experts review for draft-gandh… Rakesh Gandhi
- Re: [mpls] MPLS-RT experts review for draft-gandh… Rakesh Gandhi
- Re: [mpls] MPLS-RT experts review for draft-gandh… Greg Mirsky
- Re: [mpls] MPLS-RT experts review for draft-gandh… Yimin Shen
- Re: [mpls] MPLS-RT experts review for draft-gandh… Rakesh Gandhi