[Lsr] 回复: Discussion on tracing OSPF purge LSAs

2023-07-25 Thread li_zhenqi...@hotmail.com
Hi, Besides, we will add texts in the security considerations section to state the issues Acee and Peter pointed out and recommend authentication to be used. We appreciate more comments and suggestions. Best Regards, Zhenqiang Li China Mobile li_zhenqi...@hotmail.com 发件人: linchangwang 发送时间:

Re: [Lsr] UPA for option C

2023-07-25 Thread Peter Psenak
Robert, On 25/07/2023 22:19, Robert Raszuk wrote: Hey Peter and Lsr, At the risk of being called troublemaker by Les again :) can you refresh my failing memory how UPA would work in case of Inter-AS option C (where original next hops are maintained for service routes across two or more

[Lsr] UPA for option C

2023-07-25 Thread Robert Raszuk
Hey Peter and Lsr, At the risk of being called troublemaker by Les again :) can you refresh my failing memory how UPA would work in case of Inter-AS option C (where original next hops are maintained for service routes across two or more ASNs) and reachability to next hops is redistributed (often

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Peter Psenak
Bruno, please see inline: On 25/07/2023 21:11, bruno.decra...@orange.com wrote: Peter, Please see inline From: Peter Psenak Sent: Tuesday, July 25, 2023 6:49 PM Bruno, please see inline: On 25/07/2023 18:36, bruno.decra...@orange.com wrote: Peter, Thanks for your answer. Please see

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Peter Psenak
Bruno, please see inline: On 25/07/2023 20:58, bruno.decra...@orange.com wrote: Peter, Thank for you answer. Please see inline [Bruno] From: Peter Psenak Sent: Tuesday, July 25, 2023 6:11 PM Bruno, On 25/07/2023 14:39, bruno.decra...@orange.com wrote: Hi all, IP reachability

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread bruno . decraene
Peter, > From: Peter Psenak > Sent: Tuesday, July 25, 2023 7:38 PM > To: Robert Raszuk > > Hi Robert, > > > > On 25/07/2023 18:51, Robert Raszuk wrote: > > Hey Peter, > > > > I think the point Bruno is making is valid ... Imagine dual or triple > > vendor network and hop by hop routing (no end

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread bruno . decraene
Thanks Robert, you got my point. More inline. From: Robert Raszuk Sent: Tuesday, July 25, 2023 7:51 PM To: Peter Psenak Cc: DECRAENE Bruno INNOV/NET ; lsr Subject: Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce Hi, > So we have a way to achieve consistency if it is ever needed. Well

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread bruno . decraene
Peter, Please see inline > From: Peter Psenak > Sent: Tuesday, July 25, 2023 6:49 PM > > Bruno, > > please see inline: > > On 25/07/2023 18:36, bruno.decra...@orange.com wrote: > > Peter, > > > > Thanks for your answer. > > Please see inline [Bruno] > > > > > >> From: Peter Psenak

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread bruno . decraene
Peter, Thank for you answer. Please see inline [Bruno] > From: Peter Psenak > Sent: Tuesday, July 25, 2023 6:11 PM > > Bruno, > > On 25/07/2023 14:39, bruno.decra...@orange.com wrote: > > Hi all, > > > > IP reachability advertised by IS-IS is often used by other routing and > >

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Peter Psenak
Robert, On 25/07/2023 19:50, Robert Raszuk wrote: Hi, > So we have a way to achieve consistency if it is ever needed. Well you do not have any protocol way to assure that operational configuration mistakes will not result in inconsistent routing. But overall I do agree that for the vast

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Robert Raszuk
Hi, > So we have a way to achieve consistency if it is ever needed. Well you do not have any protocol way to assure that operational configuration mistakes will not result in inconsistent routing. But overall I do agree that for the vast majority of applications that concern is not really

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Peter Psenak
Hi Robert, On 25/07/2023 18:51, Robert Raszuk wrote: Hey Peter, I think the point Bruno is making is valid ... Imagine dual or triple vendor network and hop by hop routing (no end to end SAFI). That means that all nodes should be in synch in terms to react on UPA, chapter 7 of the draft

Re: [Lsr] Working Group Last Call for "IS-IS Fast Flooding" - draft-ietf-lsr-isis-fast-flooding-04

2023-07-25 Thread Pierre Francois
Hello, Support. Pierre. Le mer. 19 juil. 2023 à 16:06, Acee Lindem a écrit : > This begins three week LSR Working Group last call for the “IS-IS Fast > Flooding”. Please express your support or objection prior to Friday, August > 11th, 2023. The longer WG last call is to account for the IETF

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Robert Raszuk
Hey Peter, I think the point Bruno is making is valid ... Imagine dual or triple vendor network and hop by hop routing (no end to end SAFI). That means that all nodes should be in synch in terms to react on UPA, Of course you will say that this is up to wise operator to enable it only when it

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Peter Psenak
Bruno, please see inline: On 25/07/2023 18:36, bruno.decra...@orange.com wrote: Peter, Thanks for your answer. Please see inline [Bruno] From: Peter Psenak Sent: Tuesday, July 25, 2023 6:05 PM Bruno, On 25/07/2023 14:39, bruno.decra...@orange.com wrote: Hi all, With RC5305, in

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread bruno . decraene
Peter, Thanks for your answer. Please see inline [Bruno] > From: Peter Psenak > Sent: Tuesday, July 25, 2023 6:05 PM > > Bruno, > > On 25/07/2023 14:39, bruno.decra...@orange.com wrote: > > Hi all, > > > > With RC5305, in IS-IS we can advertise two states for a prefix IP1: > > > > *

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Peter Psenak
Bruno, On 25/07/2023 14:39, bruno.decra...@orange.com wrote: Hi all, IP reachability advertised by IS-IS is often used by other routing and signaling protocols (e.g., BGP, PIM (rpf vector) LDP, RSVP-TE...). As such, UPA may affect those protocols. Has UPA been presented in other WGs in the

Re: [Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread Peter Psenak
Bruno, On 25/07/2023 14:39, bruno.decra...@orange.com wrote: Hi all, With RC5305, in IS-IS we can advertise two states for a prefix IP1: * Positive reachability (state “1”), by advertising IP1 in TLV 135 with a metric lower than 0xFE00 * No reachability (state “0”) by either:

Re: [Lsr] Opsdir telechat review of draft-ietf-lsr-pce-discovery-security-support-13

2023-07-25 Thread Acee Lindem
Thanks - I recognize the need to clean up the data tracker pending review. I was the document shepherd so I had been following the document quite closely. Acee > On Jul 25, 2023, at 06:58, Liushucheng (Will LIU, Strategy & Industry > Development) wrote: > > Hi Acee, > > Yes, thanks for

Re: [Lsr] Opsdir telechat review of draft-ietf-lsr-pce-discovery-security-support-13

2023-07-25 Thread Liushucheng (Will LIU, Strategy & Industry Development)
Hi Acee, Yes, thanks for your kind reminder. I noticed that before I submit. However as the system still said pending so I tried to close this. (I thought I finished my review for version -10, however, it seems the second round of review was missed by me, sorry) Regards, | 致礼! Will LIU |

Re: [Lsr] Opsdir telechat review of draft-ietf-lsr-pce-discovery-security-support-13

2023-07-25 Thread Acee Lindem
Hi Will, I’m not sure what happened with the scheduling of this review, but this document is already an RFC (since January). https://datatracker.ietf.org/doc/rfc9353/ RFC 9353: IGP Extension for Path Computation Element Communication Protocol (PCEP) Security Capability Support in PCE

[Lsr] Opsdir telechat review of draft-ietf-lsr-pce-discovery-security-support-13

2023-07-25 Thread Will LIU via Datatracker
Reviewer: Will LIU Review result: Ready Hi all, I have reviewed draft-ietf-lsr-pce-discovery-security-support-13 as part of the Operational directorate's ongoing effort to review all IETF documents being processed by the IESG. These comments were written with the intent of improving the

[Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread bruno . decraene
Hi all, IP reachability advertised by IS-IS is often used by other routing and signaling protocols (e.g., BGP, PIM (rpf vector) LDP, RSVP-TE...). As such, UPA may affect those protocols. Has UPA been presented in other WGs in the routing areas? I believe this would be prudent if not required.

[Lsr] draft-ppsenak-lsr-igp-ureach-prefix-announce

2023-07-25 Thread bruno . decraene
Hi all, With RC5305, in IS-IS we can advertise two states for a prefix IP1: * Positive reachability (state "1"), by advertising IP1 in TLV 135 with a metric lower than 0xFE00 * No reachability (state "0") by either: * Not advertising IP1 in TLV 135 * Advertising IP1

[Lsr] Discussion on tracing OSPF purge LSAs

2023-07-25 Thread linchangwang
Hi all, From Notes and recordings: Purge Originator Identification for OSPF 11:15 (originally 10:45, remote presenter could not be reached) https://datatracker.ietf.org/doc/draft-li-lsr-ospf-purge-originator/ Zhenqiang Li & Changwang lin (10 mins) [Acee Lindem] The medicine/solution is worse than