[Idr] Re: Fw:New Version Notificationfordraft-gong-idr-inter-domain-srv6-flex-algo-00.txt

[Liyan Gong <[e-mail]>]

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 [e-mail] to the CC list. 


Any further insights are welcome.


Best Regards,


Liyan



----邮件原文----发件人：Joel Halpern  <[e-mail]>收件人：Liyan Gong  <[e-mail]>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 operator39s 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  <[e-mail]>         收件人：Liyan Gong  <[e-mail]>         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 <[e-mail]>             收件人：Changwang Lin <[e-mail]>,Jie Dong <[e-mail]>,Liyan Gong <[e-mail]>,Ran Chen <[e-mail]>                     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                                                                              

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