Hi Kaelin & Alanna, Thanks for your help with this document. Please check inline below for responses.
Thanks, Changwang (on behalf of co-authors) 发件人: [email protected] <[email protected]> 发送时间: 2025年9月16日 5:57 收件人: [email protected]; [email protected]; [email protected]; [email protected]; linchangwang (RD) <[email protected]> 抄送: [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected] 主题: Re: AUTH48: RFC-to-be 9860 <draft-ietf-pim-mofrr-tilfa-14> for your review Authors, While reviewing this document during AUTH48, please resolve (as necessary) the following questions, which are also in the source file. 1) <!-- [rfced] Would you like the references to be alphabetized or left in their current order? --> Changwang > I would like it alphabetized. 2) <!-- [rfced] Please insert any keywords (beyond those that appear in the title) for use on https://www.rfc-editor.org/search. --> Changwang > PIM、MoFRR、LFA、TI-LFA、SR-MPLS、SRv6、RPF Vector、Join attribute 3) <!--[rfced] For clarity, should "the Join" be updated to "the Join packet"? Original: If the nodes do not understand the RPF Vector attribute in the PIM Join packet, then it must discard the RPF Vector attribute because failing to remove the RPF Vectors could cause upstream nodes to send the Join back toward these nodes causing loops. Perhaps: If the nodes do not understand the RPF Vector Attribute in the PIM Join packet, then they must discard the RPF Vector Attribute because failing to remove the RPF Vectors could cause upstream nodes to send the Join packet back toward these nodes causing loops. --> Changwang > Ack 4) <!-- [rfced] To avoid using an RFC as an adjective, may we update the instances of "[RFC7431] MoFRR" in the text below as follows? Original: However, the [RFC7431] MoFRR mechanism, which selects the secondary multicast next-hop based solely on the loop-free alternate fast reroute defined in [RFC7431], has limitations in certain multicast deployment scenarios (see Section 2). ... Consequently, the [RFC7431] MoFRR functionality in PIM is applicable only in network topologies where LFA is feasible. ... The limitations of the [RFC7431] MoFRR applicability can be illustrated using the example network depicted in Figure 1. ... In this scenario, the [RFC7431] MoFRR operates effectively. ... In this case, the [RFC7431] MoFRR cannot calculate a secondary UMH. Similarly, for multicast source S3 and receiver R, the [RFC7431] MoFRR mechanism is ineffective. ... For instance, in the network illustrated in Figure 1, the secondary path for the PIM Join packet towards multicast source S2 cannot be computed by [RFC7431] MoFRR, as previously described. Perhaps: However, the MoFRR mechanism [RFC7431], which selects the secondary... ... Consequently, the MoFRR functionality [RFC7431] in PIM is applicable... ... The limitations of the MoFRR applicability [RFC7431] can be illustrated... ... In this scenario, MoFRR [RFC7431] operates effectively. ... In this case, MoFRR [RFC7431] cannot calculate a secondary UMH. Similarly, for multicast source S3 and receiver R, the MoFRR mechanism [RFC7431] is ineffective. ... For instance, in the network illustrated in Figure 1, the secondary path for the PIM Join packet towards multicast source S2 cannot be computed by MoFRR [RFC7431], as previously described. --> Changwang > Ack 5) <!-- [rfced] We note that the following terminology appears to be used inconsistently throughout the document. Please review these occurrences and let us know if/how they may be made consistent. Node SID vs. NodeSID Segment List vs. segment list --> Changwang > Use "Node SID" and " segment list ". 6) <!-- [rfced] FYI - We have added expansions for abbreviations upon first use per Section 3.6 of RFC 7322 ("RFC Style Guide"). Please review each expansion in the document carefully to ensure correctness. Reverse Path Forwarding (RPF) Remote LFA (RLFA) PIM - Sparse Mode (PIM-SM) --> Changwang > ACK 7) <!-- [rfced] Please review the "Inclusive Language" portion of the online Style Guide <https://www.rfc-editor.org/styleguide/part2/#inclusive_language> and let us know if any changes are needed. Updates of this nature typically result in more precise language, which is helpful for readers. a) For example, please consider whether "native" should be updated in the text below: This mechanism is applicable to PIM networks, including cases where PIM operates natively over IP in Segment Routing (SR) networks. --> Changwang> This mechanism is applicable to PIM networks, including cases where PIM operates directly over IP in Segment Routing (SR) networks. b) In addition, please consider whether "tradition" should be updated for clarity. While the NIST website <https://web.archive.org/web/20250214092458/https://www.nist.gov/nist-research-library/nist-technical-series-publications-author-instructions#table1> indicates that this term is potentially biased, it is also ambiguous. "Tradition" is a subjective term, as it is not the same for everyone: However, the traditional LFA does not function properly for the secondary path because the shortest path to R2 from R5 (or from R4) still traverses the R6-R2 link. --> Changwang > However, the conventional LFA does not function properly for the secondary path because the shortest path to R2 from R5 (or from R4) still traverses the R6-R2 link. Thank you. Kaelin Foody and Alanna Paloma RFC Production Center On Sep 15, 2025, at 2:55 PM, [email protected] wrote: *****IMPORTANT***** Updated 2025/09/15 RFC Author(s): -------------- Instructions for Completing AUTH48 Your document has now entered AUTH48. 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