Hi Gyan,

Thanks for your reply. So we (and others) are on the same page about the 
resources related functionality introduced to Flex-Algo: it need to be 
discussed separately from this draft.

If the authors agree with this, can this be reflected in an update of this 
draft?

Best regards,
Jie

From: Lsr [mailto:lsr-boun...@ietf.org] On Behalf Of Gyan Mishra
Sent: Friday, June 11, 2021 9:37 AM
To: Dongjie (Jimmy) <jie.d...@huawei.com>
Cc: lsr@ietf.org; Christian Hopps <cho...@chopps.org>
Subject: Re: [Lsr] LSR WG Adoption Call for "Algorithm Related IGP-Adjacency 
SID Advertisement"


Hi Jimmy

Please see my comments in-line:

Thanks

Gyan
On Thu, Jun 10, 2021 at 4:20 AM Dongjie (Jimmy) 
<jie.d...@huawei.com<mailto:jie.d...@huawei.com>> wrote:
Hi Gyan,

Please see some comments inline:

From: Lsr [mailto:lsr-boun...@ietf.org<mailto:lsr-boun...@ietf.org>] On Behalf 
Of Gyan Mishra
Sent: Thursday, June 10, 2021 1:05 PM
To: Christian Hopps <cho...@chopps.org<mailto:cho...@chopps.org>>
Cc: lsr@ietf.org<mailto:lsr@ietf.org>
Subject: Re: [Lsr] LSR WG Adoption Call for "Algorithm Related IGP-Adjacency 
SID Advertisement"


I support WG adoption of this draft.

This draft fills the gap where multiple algorithm identifiers are associated 
with a link applied to prefix sid and to add parity as now this draft provides 
Algo association with the adjacency SID as well.  At the end of the 
introduction is stated that the algorithm identifier should be included as part 
of the adjacency SID advertisement for SR-MPLS.   What about SRv6?

Does this draft update the SR IGP extensions for
SR-MPLS RFC 8665 8666 8667.

Also does it update the Flex Algo draft?

https://datatracker.ietf.org/doc/html/draft-ietf-lsr-flex-algo-16

In section 5 operations describes how flex Algo plane can now be differentiated 
on the same  adjacency link with the Algo identifier adjacency sid to Algo 
plane can now have QOS and link resources characteristics defined which maybe 
beneficial to TEAS network slicing application as well as used in conjunction 
with a resource sid for underlay resource provisioning for Enhanced VPN overlay.

[Jie] I see this may be related to the resource-aware SID and its usage for 
enhanced VPN. While as mentioned in several mails in this thread, the use cases 
of associating Flex-Algos with different link resources/QoS policy/etc. require 
new functionality to Flex-Algo, which needs to be discussed separately from 
this document.
 Gyan> I agree as Les and others have mentioned any resources related 
functionality must first be reviewed and accepted by the WG as a separate 
document. I agree as others mentioned the main use case is for TI-LFA local 
protection of backup path so it can use other than default Algo 0.
Best regards,
Jie

Kind Regards

Gyan

On Wed, May 26, 2021 at 5:00 PM Christian Hopps 
<cho...@chopps.org<mailto:cho...@chopps.org>> wrote:

Hi Folks,

This begins a 2 week WG Adoption Call for the following draft:

https://datatracker.ietf.org/doc/draft-peng-lsr-algorithm-related-adjacency-sid/

Please indicate your support or objections by June 9th, 2021

Authors, please respond to the list indicating whether you are aware of any IPR 
that applies to this draft.

Thanks,
Acee and Chris.

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Gyan Mishra

Network Solutions Architect

Email gyan.s.mis...@verizon.com<mailto:gyan.s.mis...@verizon.com>

M 301 502-1347

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Gyan Mishra

Network Solutions Architect

Email gyan.s.mis...@verizon.com<mailto:gyan.s.mis...@verizon.com>

M 301 502-1347

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