Hi Huaimo,

Thanks for drawing the attention on this document.

Here are some review comments for your consideration.


1.       In section 3.1:



A Repair List RL is obtained based on the path.  It is one of the followings:

   o  RL = <Mirror SID> if the path does not go through PE A; Or

   o  RL = <S1, ..., Sn, Mirror SID> if the path goes through PE A, where  <S1, 
..., Sn> is the TI-LFA Repair List to PE B computed by P1.

[Jie] It is recommended that PE B be used as the anycast node of PE A to 
calculate the backup next hop of PE A. (Actually, the shortest path from P1 to 
PE B does not need bypass PE A. Only the backup next hop needs to meet LFA 
requirements, that is, RL = <Mirror SID>.)

2:When IGP convergence is complete after PE3 fails, the route from P1 to PE3 
needs to be deleted. As a result, P1 does not have a PE3`s backup path. At this 
time, PE1 has not converged. Therefore, a slow deletion mechanism is required 
for the locator route of PE3.

Hope this helps.

Best regards,
Jie

From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Huaimo Chen
Sent: Thursday, March 9, 2023 10:56 AM
To: spring@ietf.org; rt...@ietf.org
Subject: Re: [spring] Request for review on 
draft-ietf-rtgwg-srv6-egress-protection

Hi Everyone,

    Would you mind reviewing this draft?
https://datatracker.ietf.org/doc/draft-ietf-rtgwg-srv6-egress-protection/

    Thanks much.

Best Regards,
Huaimo
________________________________
From: Huaimo Chen <huaimo.c...@futurewei.com<mailto:huaimo.c...@futurewei.com>>
Sent: Wednesday, February 8, 2023 12:31 PM
To: spring@ietf.org<mailto:spring@ietf.org> 
<spring@ietf.org<mailto:spring@ietf.org>>
Subject: Request for review on draft-ietf-rtgwg-srv6-egress-protection

Hi Everyone,

    Would you mind reviewing this draft?
https://datatracker.ietf.org/doc/draft-ietf-rtgwg-srv6-egress-protection/

    Thanks much.

Best Regards,
Huaimo
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