[Idr] Re: Fw:New Version Notificationfordraft-gong-idr-inter-domain-srv6-flex-algo-00.txt
Joel Halpern <jmh.direct@joelhalpern.com> Thu, 23 October 2025 14:31 UTC
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Date: Thu, 23 Oct 2025 10:31:23 -0400
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Subject: [Idr] Re: Fw:New Version Notificationfordraft-gong-idr-inter-domain-srv6-flex-algo-00.txt
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Thank you. I am glad it was already there, and apologize for missing it. I appreciate that you will make that more prominent. Yours, Joel On 10/23/2025 5:01 AM, Liyan Gong wrote: > > Hi Joel, > > Thank you very much for your valuable input, which greatly helps in > improving the document. > > Upon checking the document, I found that this point is mentioned in > two places as follows, > > but it has not been highlighted or explained as a key aspect which > makes it easy to overlook. > > We fully agree with your suggestion and will incorporate this feedback > in the next revision to enhance clarity. > > To keep the record and facilitate broader discussion, I have added > idr@ietf.org to the CC list. > > Any further insights are welcome. > > Best Regards, > > Liyan > > > ----邮件原文---- > *发件人:*Joel Halpern <jmh@joelhalpern.com> > *收件人:*Liyan Gong <gongliyan@chinamobile.com> > *抄 送: *(无) > *发送时间:*2025-10-21 20:52:00 > *主题:*Re: [Idr] Fw:New Version Notificationfordraft-gong-idr-inter-domain-srv6-flex-algo-00.txt > > That sounds quite reasonable. Did I miss that in the draft (if > so, sorry for reading too fast)? If not, can it be added in > the next revisions? > > Yours, > > Joel > > On 10/21/2025 5:33 AM, Liyan Gong wrote: > > Hi Joel, > > Thank you for your review and question. > > In the context of this draft, "inter-domain" > primarily refers to "across AS within one operator." > > The key reason is that, within one operator's > control, the Flex-Algo ID can be uniformly planned > and guaranteed to be consistent across domains. > > Achieving this consistency between different > operators would be significantly more challenging.It > would likely require additional coordination, > negotiation, and possibly complex mapping mechanisms > between domains, which is beyond the current scope > of our proposal. > > Hope this helps.Please feel free to follow up if you > have any further questions. > > Best Regards > > Liyan > > > > ----邮件原文---- > *发件人:*Joel Halpern <jmh@joelhalpern.com> > *收件人:*Liyan Gong <gongliyan@chinamobile.com> > *抄 送: *(无) > *发送时间:*2025-10-20 22:30:29 > *主题:*Re: [Idr] Fw:New Version Notification fordraft-gong-idr-inter-domain-srv6-flex-algo-00.txt > > When you say "inter-domain" do you mean "across AS within > one operator" or do you mean "between > oeprators"? > > Yours, > > Joel > > On 10/20/2025 5:09 AM, Liyan Gong wrote: > > Dear All, > > > We would like to kindly share with you our > new draft > submission:draft-gong-idr-inter-domain-srv6-flex-algo-00. > > > This document proposes BGP extensions to > advertise SRv6 locators along with their > associated Flexible Algorithm across AS > boundaries. > > We hope this work could help enable > automatic inter-domain path computation based on > consistent constraints. > > > We would be truly grateful for any > feedback or suggestions you might have. Thank you so > much for your valuable time and > consideration. > > > Best Regards, > > Liyan > > on behalf of all authors > > > ----邮件原文---- > 发件人:internet-drafts > <internet-drafts@ietf.org> > 收件人:Changwang Lin > <linchangwang.04414@h3c.com>,Jie Dong > <jie.dong@huawei.com>,Liyan Gong > <gongliyan@chinamobile.com>,Ran Chen <chen.ran@zte.com.cn> > 抄 送: (无) > 发送时间:2025-10-20 16:16:19 > 主题:New Version Notification for draft-gong-idr-inter-domain-srv6-flex-algo-00.txt > > A new version of Internet-Draft > draft-gong-idr-inter-domain-srv6-flex-algo-00.txt has been successfully > submitted by Liyan Gong and posted to the > IETF repository. > > Name: draft-gong-idr-inter-domain-srv6-flex-algo > Revision: 00 > Title: BGP Extensions for Inter-Domain Flexible Algorithm with Segment Routing over IPv6 (SRv6) > Date: 2025-10-20 > Group: Individual Submission > Pages: 6 > URL: > https://www.ietf.org/archive/id/draft-gong-idr-inter-domain-srv6-flex-algo-00.txt > Status: > https://datatracker.ietf.org/doc/draft-gong-idr-inter-domain-srv6-flex-algo/ > HTMLized: > https://datatracker.ietf.org/doc/html/draft-gong-idr-inter-domain-srv6-flex-algo > > > Abstract: > > IGP Flexible Algorithm (Flex-Algo) provides a mechanism for IGP nodes > to compute the best paths according to a set of constraints in both > the topology and computation metrics. Segment Routing over IPv6 > (SRv6) can be used as one of the data plane of IGP Flex-Algo. > > In SRv6 networks, services may be carried across multiple network > domains which are under the same administration. For some services, > it is expected that the an end-to-end inter-domain path can be > computed according to the same constraints (such as low latency) > defined by Flex-Algo. > > This document describes BGP extensions to advertise SRv6 locators as > IPv6 prefixes, together with the associated algorithm across the AS > boundary. > > > > The IETF Secretariat > > > > Subject:New Version Notification for draft-gong-idr-inter-domain-srv6-flex-algo-00.txt > > A new version of Internet-Draft > draft-gong-idr-inter-domain-srv6-flex-algo-00.txt has been successfully > submitted by Liyan Gong and posted to the > IETF repository. > > Name: draft-gong-idr-inter-domain-srv6-flex-algo > Revision: 00 > Title: BGP Extensions for Inter-Domain Flexible Algorithm with Segment Routing over IPv6 (SRv6) > Date: 2025-10-20 > Group: Individual Submission > Pages: 6 > URL: > https://www.ietf.org/archive/id/draft-gong-idr-inter-domain-srv6-flex-algo-00.txt > Status: > https://datatracker.ietf.org/doc/draft-gong-idr-inter-domain-srv6-flex-algo/ > HTMLized: > https://datatracker.ietf.org/doc/html/draft-gong-idr-inter-domain-srv6-flex-algo > > > Abstract: > > IGP Flexible Algorithm (Flex-Algo) provides a mechanism for IGP nodes > to compute the best paths according to a set of constraints in both > the topology and computation metrics. Segment Routing over IPv6 > (SRv6) can be used as one of the data plane of IGP Flex-Algo. > > In SRv6 networks, services may be carried across multiple network > domains which are under the same administration. For some services, > it is expected that the an end-to-end inter-domain path can be > computed according to the same constraints (such as low latency) > defined by Flex-Algo. > > This document describes BGP extensions to advertise SRv6 locators as > IPv6 prefixes, together with the associated algorithm across the AS > boundary. > > > > The IETF Secretariat > > > > > _______________________________________________ > Idr mailing list --idr@ietf.orgTo unsubscribe send an email toidr-leave@ietf.org > >