Hi Balázs, thank you for your careful consideration of my notes. I like the updates you propose.
Regards, Greg On Mon, Jun 29, 2026 at 2:34 AM Balázs Varga A <[email protected]> wrote: > Hi Greg, > > > > Many thanks for your valuable notes, based on we intend to make the > > following changes for the next version of the document: > > > > 1, Section 1. Introduction > > On “zero packet loss”. Right, we propose to change slightly your > > suggestion and making the text for all covered scenarios including > > non-DetNet ones. > > OLD TEXT > > Redundancy protection can help to achieve zero packet loss target > > when failure on either path happens. > > NEW TEXT > > Redundancy protection can reduce the packet loss level to conform > to the Service Level Objective of a service. > > END > > > > 2, Section 5. Meta Data to Support Redundancy Protection > > Right, the language needs to be changed. > > OLD TEXT > > It is RECOMMENDED to add the sequence number in > > forwarding plane as performance and scalability is required. > > NEW TEXT > > Sequence number MUST be included in the data plane. > > END > > > > Thanks & Cheers > > Bala’zs > > > > *From:* Greg Mirsky <[email protected]> > *Sent:* Friday, June 26, 2026 10:10 PM > *To:* Alvaro Retana <[email protected]> > *Cc:* [email protected]; > [email protected]; [email protected]; > [email protected]; [email protected] > *Subject:* Re: [Detnet] WG Last Call: > draft-ietf-spring-sr-redundancy-protection-07 (Ends 2026-07-06) > > > > Hi, Alvaro et al. > > I read the current version, and I support progressing the draft to IESG. > The draft is well-written and addresses the essential requirements for > DetNet by providing packet replication and elimination functionality (PREF) > in an SRv6 environment. Please find my notes below: > > - Redundancy protection can help to achieve zero packet loss target > when failure on either path happens. > > Although zero packet loss is an ultimate goal, it might not be achievable, > even using PREF. Perhaps the value of the PREF can be conveyed as follows: > > Redundancy protection can reduce the packet loss level to conform > to the Service Level Objective of a DetNet service. > > > - I got confused by: > > It is RECOMMENDED to add the sequence number in > > forwarding plane as performance and scalability is required. > > Could it be edited as: > A sequence number MUST be included in the data plane. > WDYT? > > > > Regards, > > Greg > > > > On Fri, Jun 19, 2026 at 9:30 AM Alvaro Retana via Datatracker < > [email protected]> wrote: > > This message starts a WG Last Call for: > draft-ietf-spring-sr-redundancy-protection-07 > > This Working Group Last Call ends on 2026-07-06 > > Abstract: > Redundancy Protection is a generalized protection mechanism to > achieve high reliability for service provided in Segment Routing > networks. The mechanism uses the "Live-Live" methodology, i.e., > multiple copies of the data packets are sent on different paths to > provide protection. This document introduces one new SRv6 Segment > Endpoint Behavior to provide replication and elimination functions on > specific network nodes by leveraging SRv6 Network Programming > capabilities. > > File can be retrieved from: > > Please review and indicate your support or objection to proceed with the > publication of this document by replying to this email keeping > [email protected] in copy. Objections should be explained and suggestions to > resolve them are highly appreciated. > > Authors, and WG participants in general, are reminded of the Intellectual > Property Rights (IPR) disclosure obligations described in BCP 79 [1]. > Appropriate IPR disclosures required for full conformance with the > provisions > of BCP 78 [1] and BCP 79 [2] must be filed, if you are aware of any. > Sanctions available for application to violators of IETF IPR Policy can be > found at [3]. > > Thank you. > > [1] https://datatracker.ietf.org/doc/bcp78/ > [2] https://datatracker.ietf.org/doc/bcp79/ > [3] https://datatracker.ietf.org/doc/rfc6701/ > > The IETF datatracker status page for this Internet-Draft is: > > https://datatracker.ietf.org/doc/draft-ietf-spring-sr-redundancy-protection/ > > There is also an HTMLized version available at: > > https://datatracker.ietf.org/doc/html/draft-ietf-spring-sr-redundancy-protection-07 > > A diff from the previous version is available at: > > https://author-tools.ietf.org/iddiff?url2=draft-ietf-spring-sr-redundancy-protection-07 > > _______________________________________________ > detnet mailing list -- [email protected] > To unsubscribe send an email to [email protected] > >
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