Hi Yao, Please consider the case of a modular node with a number of different line cards, where the line cards are based on different forwarding engines.
RLD needs to be link specific. Regards, Tony > On Aug 28, 2023, at 6:55 PM, <liu.ya...@zte.com.cn> <liu.ya...@zte.com.cn> > wrote: > > Hi Les, > > Thanks a lot for your review and comments. > > This new MSD is a per-node capability just like ERLD-MSD, mainly because it > represents how many MPLS labels the node can read, and it is not related with > the links. > > And the description in this draft you mentioned is written taking example by > RFC9088(section 4. Advertising ERLD Using IS-IS). > > I'll explicitly state the scope of the new MSD in the next version. > > > > Best Regards, > > Yao > > Original > From: LesGinsberg(ginsberg) <ginsb...@cisco.com> > To: 刘尧00165286;m...@ietf.org <m...@ietf.org>;lsr@ietf.org <lsr@ietf.org>; > Date: 2023年08月28日 20:57 > Subject: RE: [Lsr] Fw: New Version Notification for > draft-liu-lsr-mpls-inspection-msd-01.txt > Yao – > > > > Both RFC 8476(OSPF) and RFC 8491(IS-IS) define MSD advertisements with > per-link scope and per-node scope. > > > > Your draft only states: > > > > “If a router has multiple interfaces with different capabilities of > > reading the maximum label stack depth, the router MUST advertise the > > smallest value found across all its interfaces.” > > > > This suggests that you intend only to advertise a per-node capability – but > as you don’t explicitly state that – and you don’t provide a reason why a per > link capability isn’t applicable, I am unclear as to what your intentions are > here. > > > > Could you clarify whether you intend to support both per link and per node > capability – and if not why not? > > > > Thanx. > > > > Les > > > > > > From: Lsr <lsr-boun...@ietf.org> On Behalf Of liu.ya...@zte.com.cn > Sent: Monday, August 28, 2023 12:33 AM > To: m...@ietf.org; lsr@ietf.org > Subject: [Lsr] Fw: New Version Notification for > draft-liu-lsr-mpls-inspection-msd-01.txt > > > > Hi All, > > A new version of draft-liu-lsr-mpls-inspection-msd has just been uploaded. > > In this document, a new type of MSD is defined to reflect the Readable Label > Depth(RLD), which helps in the MPLS MNA solution. > > In this version, the main update is that some description is added to explain > why a new MSD is preferred instead of the ERLD-MSD. > > Currently this new MSD is called Base MPLS Inspection MSD, it may be changed > to a more straightforward name like RLD-MSD based on the description in the > MNA architecture/solution document. > > Your comments and suggestions are more than welcome! > > > > Thanks, > > Yao > > Original > > From: internet-dra...@ietf.org <mailto:internet-dra...@ietf.org> > <internet-dra...@ietf.org <mailto:internet-dra...@ietf.org>> > > Date: 2023年08月28日 14:55 > > Subject: New Version Notification for draft-liu-lsr-mpls-inspection-msd-01.txt > > A new version of Internet-Draft draft-liu-lsr-mpls-inspection-msd-01.txt has > been successfully submitted by Yao Liu and posted to the > IETF repository. > > Name: draft-liu-lsr-mpls-inspection-msd > Revision: 01 > Title: Signaling Base MPLS Inspection MSD > Date: 2023-08-27 > Group: Individual Submission > Pages: 7 > URL: > https://www.ietf.org/archive/id/draft-liu-lsr-mpls-inspection-msd-01.txt > Status: https://datatracker.ietf.org/doc/draft-liu-lsr-mpls-inspection-msd/ > HTML: > https://www.ietf.org/archive/id/draft-liu-lsr-mpls-inspection-msd-01.html > HTMLized: > https://datatracker.ietf.org/doc/html/draft-liu-lsr-mpls-inspection-msd > Diff: > https://author-tools.ietf.org/iddiff?url2=draft-liu-lsr-mpls-inspection-msd-01 > > Abstract: > > This document defines a new type of MSD, Base MPLS Inspection MSD to > reflect the Readable Label Depth(RLD), and the mechanism to signal > this MSD using IGP and BGP-LS. > > > > The IETF Secretariat > > > > > > _______________________________________________ > Lsr mailing list > Lsr@ietf.org > https://www.ietf.org/mailman/listinfo/lsr
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