Re: [spring] John Scudder's No Objection on draft-ietf-spring-mpls-path-segment-19: (with COMMENT)

2023-11-29 Thread John Scudder
Hi Cheng, Sounds good, and the diff looks good, thanks. One further comment: > On Nov 29, 2023, at 5:46 AM, Cheng Li wrote: > > [Cheng] In the beginning, we have some text related to SRv6, but Bruno > suggested to delete it to keep this draft clean, so we deleted it. > But don't worry, we do

[spring] John Scudder's No Objection on draft-ietf-spring-mpls-path-segment-19: (with COMMENT)

2023-11-28 Thread John Scudder via Datatracker
John Scudder has entered the following ballot position for draft-ietf-spring-mpls-path-segment-19: No Objection When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please

[spring] John Scudder's No Objection on draft-ietf-spring-nsh-sr-12: (with COMMENT)

2023-04-27 Thread John Scudder via Datatracker
John Scudder has entered the following ballot position for draft-ietf-spring-nsh-sr-12: No Objection When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer

[spring] John Scudder's Discuss on draft-ietf-spring-nsh-sr-12: (with DISCUSS and COMMENT)

2023-04-25 Thread John Scudder via Datatracker
John Scudder has entered the following ballot position for draft-ietf-spring-nsh-sr-12: Discuss When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https

Re: [spring] John Scudder's Discuss on draft-ietf-spring-segment-routing-policy-17: (with DISCUSS and COMMENT)

2022-03-22 Thread John Scudder
Tue, Mar 22, 2022 at 11:20 PM John Scudder mailto:j...@juniper.net>> wrote: Hi Ketan, Thanks as always for your quick reply. > On Mar 22, 2022, at 4:54 AM, Ketan Talaulikar > mailto:ketant.i...@gmail.com>> wrote: > > > Hi John, > > I dug into my emails and

Re: [spring] John Scudder's Discuss on draft-ietf-spring-segment-routing-policy-17: (with DISCUSS and COMMENT)

2022-03-22 Thread John Scudder
sue paper, and displaying the string in magenta not a whole lot more than that — but it’s still better to disclose the cocnern than not to. Regards, —John > Thanks, > Ketan > > On Tue, Mar 22, 2022 at 2:54 AM John Scudder wrote: >> Hi Ketan, >> >> You asked "whe

Re: [spring] John Scudder's Discuss on draft-ietf-spring-segment-routing-policy-17: (with DISCUSS and COMMENT)

2022-03-21 Thread John Scudder
them: we’ve had a discussion, we don’t completely agree, these things happen. On point 4 however, I don’t think our discussion has concluded. At least, if you replied to this, I missed it: > On Feb 16, 2022, at 2:42 PM, John Scudder > wrote: > >> 4. In §2.1 you talk about the s

Re: [spring] John Scudder's Discuss on draft-ietf-spring-segment-routing-policy-17: (with DISCUSS and COMMENT)

2022-03-17 Thread John Scudder
segment-routing-te-policy : > https://mailarchive.ietf.org/arch/msg/idr/3F2m4usa-uahnriF6fFh5F9wlQA/ > > Looking forward to your response on your discuss & comments on this document. > Please let know of any outstanding discuss or comments that remain to be > addressed in

Re: [spring] John Scudder's Discuss on draft-ietf-spring-segment-routing-policy-17: (with DISCUSS and COMMENT)

2022-02-16 Thread John Scudder
Hi Ketan, > On Feb 16, 2022, at 2:03 PM, Ketan Talaulikar wrote: > > Hi John, > > Thanks for your review and please check inline below for responses. Thanks for your reply. For this response I’m confining myself to points 3 and 4. [snip] > 3. Related to the above, at least one of the

[spring] John Scudder's Discuss on draft-ietf-spring-segment-routing-policy-17: (with DISCUSS and COMMENT)

2022-02-16 Thread John Scudder via Datatracker
John Scudder has entered the following ballot position for draft-ietf-spring-segment-routing-policy-17: Discuss When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please

Re: [spring] "This solution does not require any SRH data plane change" in draft-filsfilscheng-spring-srv6-srh-compression-02

2021-10-26 Thread John Scudder
h distractions like bringing up CRH. Regards, —John [*] I count fifteen messages not including this one. [**] Obviously, beyond the fact that I quoted a paragraph from a document you cited, that included the letters C, R, and H. > > Many thx, > R. > > > On Tue, Oct 26, 2

Re: [spring] "This solution does not require any SRH data plane change" in draft-filsfilscheng-spring-srv6-srh-compression-02

2021-10-26 Thread John Scudder
t still fails the test I proposed in my initial note. Regards, —John > > > > Kind regards, > > Robert > > > > > > > On Tue, Oct 26, 2021 at 7:55 PM John Scudder wrote: > (For clarity: I’m not wearing any hats other than “WG contributor”.) > &g

Re: [spring] WG Adoption call for https://datatracker.ietf.org/doc/draft-filsfilscheng-spring-srv6-srh-compression/

2021-10-26 Thread John Scudder
(For clarity: I’m wearing no hats other than “WG contributor”.) As noted in https://mailarchive.ietf.org/arch/msg/spring/5HF4wM5ZDcw5DeL_klXmKf1UP0E/, I’m opposed to adoption until the issue raised there has been addressed. (Repeating the point here to aid in issue tracking.) Regards, —John

Re: [spring] "This solution does not require any SRH data plane change" in draft-filsfilscheng-spring-srv6-srh-compression-02

2021-10-14 Thread John Scudder
Hi Stefano, We agree on the overarching point, which is that the statement isn’t clear as written. I take your point about reading it in the context of SRv6 Network Programming, and I would absolutely agree that it’s right to talk about “the Network Programming paradigm”, but right now I

Re: [spring] "This solution does not require any SRH data plane change" in draft-filsfilscheng-spring-srv6-srh-compression-02

2021-10-13 Thread John Scudder
hat cSIDs should be possible to be used without SRH if no special functions are needed at each segment endpoint. On Thu, Oct 14, 2021 at 12:28 AM John Scudder mailto:j...@juniper.net>> wrote: Hi Folks, I’m struggling with the claim repeated throughout the beginning of draft-filsfil

[spring] "This solution does not require any SRH data plane change" in draft-filsfilscheng-spring-srv6-srh-compression-02

2021-10-13 Thread John Scudder
Hi Folks, I’m struggling with the claim repeated throughout the beginning of draft-filsfilscheng-spring-srv6-srh-compression-02 (Abstract, §1, §3) that “this solution does not require any SRH data plane change”. I’m not aware of a standardized formal definition of “data plane”, it seems to

Re: [spring] CRH is back to the SPRING Use-Case - Re: Size of CR in CRH

2020-05-29 Thread John Scudder
Peter, On May 29, 2020, at 10:36 AM, Peter Psenak mailto:ppse...@cisco.com>> wrote: well, advertising the local CRH identifier for every node and adjacency in the network from every other node is clearly a no-go from the IGP perspective. (Of course this objection only applies to the final

Re: [spring] CRH is back to the SPRING Use-Case - Re: Size of CR in CRH

2020-05-29 Thread John Scudder
On May 29, 2020, at 10:28 AM, Peter Psenak mailto:ppse...@cisco.com>> wrote: how do nodes in the network learn about the local CRH identifier a node X allocated for a prefix residing on node Y? This is also answered in section 4, AFAICT: The CRH-FIB can be populated: o By an operator,

Re: [spring] CRH is back to the SPRING Use-Case - Re: Size of CR in CRH

2020-05-29 Thread John Scudder
[long list of individual email addresses trimmed from cc, mailing lists left] Peter, On May 29, 2020, at 5:11 AM, Peter Psenak mailto:ppsenak=40cisco@dmarc.ietf.org>> wrote: if CRH-SIDs are of local significance how is the loose source routing going to be supported? By having the

Re: [spring] CRH is not needed - Re: How CRH support SFC/Segment Endpoint option?

2020-05-26 Thread John Scudder
Robert, On May 26, 2020, at 5:17 PM, Robert Raszuk mailto:rob...@raszuk.net>> wrote: - In what context have we spent so many emails discussing "escaping packets to the Internet" or protecting infrastructure (SID addresses from "entering your network from Internet" ? The difference is between

Re: [spring] CRH is not needed - Re: How CRH support SFC/Segment Endpoint option?

2020-05-26 Thread John Scudder
On May 26, 2020, at 3:52 PM, Sander Steffann mailto:san...@steffann.nl>> wrote: Source and destination are in the same domain. Who says that the domain is contiguous? Let's change the example to main and branch offices. Same administrative domain, while still traversing the internet. This is

Re: [spring] Adoption call criteria for CRH? [was: Re: CRH and RH0]

2020-05-15 Thread John Scudder
.com/v3/__https://mailarchive.ietf.org/arch/msg/spring/nX5-1rdXKOw6ks73VYfwvn7iaI8__;!!NEt6yMaO-gk!UQ0I1bS1wq5FzS6jaV7eUMZNPAMYflW9wRKuToT4DkDMzAu4ryIP5RHKQ_PKkw$> Darren Dukes https://mailarchive.ietf.org/arch/msg/spring/v8UAgBGQ0yp0VBwGkZ3RwzH1MME<https://urldefense.com/v3/__https://mailarc

Re: [spring] Adoption call criteria for CRH? [was: Re: CRH and RH0]

2020-05-15 Thread John Scudder
tes-105-spring-00__;!!NEt6yMaO-gk!QbAHSQ3t9Po0n90FQqYbHv8VOpFpwcb739Wzojg7KC2emCeE6TroAjlIlCFOvg$> Video: Under: Ron’s session on IPv6 Support for Segment Routing: SRv6+ (10:44) Thanks Regards … Zafar From: ipv6 mailto:ipv6-boun...@ietf.org>> on behalf of John Scudde

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-03-04 Thread John Scudder
Thanks for writing this. > On Mar 4, 2020, at 6:45 PM, 神明達哉 wrote: [...] > If I were to offer something in order to be hopefully more > constructive, that would be something like this: > > - Add a tag of "Updates RFC8200 (if approved)" [...] Text elided not due to irrelevance, but because it’s

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-29 Thread John Scudder
nd new encapsulation of the packet based on the SRH content. If so there is no violation of anything. /* And in this mode at least SR nodes could be PLRs for TI-LFA without the need for yet one more encapsulation */. Robert. On Sat, Feb 29, 2020 at 8:23 PM John Scudder mailto:j...@juniper.net&g

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-29 Thread John Scudder
Thanks, Brian. On Feb 29, 2020, at 2:25 PM, Brian E Carpenter mailto:brian.e.carpen...@gmail.com>> wrote: So I think the text needs to admit the trick it's playing on RFC 8200. Then the IETF can choose whether to let that trick pass. I agree. (I’ve said as much before, as have others.) —John

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-29 Thread John Scudder
ultimate destination for the outer header in the same time The same node is penultimate destination for SR path in the same time The same node is just regular IPv6 transit from the perspective of the original non encapsulated packet Kind regards, R. On Sat, Feb 29, 2020 at 6:46 PM J

Re: [spring] Suggest some text //RE: Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-29 Thread John Scudder
Robert, I think your comment (emphasis added): we are dealing here with an *encapsulated* packet which has as its ultimate destination SR node X. That SR node X is to perform or not PSP. Is wrong. It contradicts everything else that’s been said in the hundreds of messages that have gone

Re: [spring] I-D Action: draft-ietf-spring-srv6-network-programming-10.txt

2020-02-28 Thread John Scudder
(ketant) mailto:ketant=40cisco@dmarc.ietf.org>> wrote: Hi John, Please check inline below. From: spring mailto:spring-boun...@ietf.org>> On Behalf Of John Scudder Sent: 28 February 2020 02:41 To: SPRING WG mailto:spring@ietf.org>>; 6man WG mailto:i...@ietf.org>> Cc

Re: [spring] I-D Action: draft-ietf-spring-srv6-network-programming-10.txt

2020-02-27 Thread John Scudder
I have an additional observation, or question, about Dan’s scenario. Almost all communication is bidirectional. Presumably this means a router that’s the tail end of an SRv6 path in one direction is the head end in the other. Doesn’t a head end need to add an SRH? If I’ve gotten that right,

Re: [spring] Request to close the LC and move forward//RE: WGLC - draft-ietf-spring-srv6-network-programming

2020-02-27 Thread John Scudder
On Feb 26, 2020, at 8:14 PM, Brian E Carpenter wrote: > > I don't know about you, but when I see a message whose only content is "+1" I > just delete it. +1 ;-) —John ___ spring mailing list spring@ietf.org

Re: [spring] [RTG-DIR] Routing Directorate QA review of draft-filsfils-spring-segment-routing-04

2014-11-11 Thread John Scudder
[re-sending from proper account] Andy, Thanks very much for doing this review. Authors, Can you please (at minimum) acknowledge that you've received Andy's comments and (preferably) respond to them, either by updating the draft or by discussing them on the SPRING list? For what it's worth,

Re: [spring] [RTG-DIR] Routing Directorate QA review of draft-filsfils-spring-segment-routing-04

2014-11-11 Thread John Scudder
Sorry I missed that -- thanks! --John On Nov 11, 2014, at 10:23 AM, Stefano Previdi (sprevidi) sprev...@cisco.commailto:sprev...@cisco.com wrote: Hi John, I already ack'ed Andrew' s comments and will address them asap. Thanks. s. -Original Message- From: John Scudder [jg