Re: [Lsr] 回复: New Version Notification for draft-zhu-lsr-isis-sr-vtn-flexalgo-01.txt

["Dongjie (Jimmy)" <[e-mail]>]

Hi Huanan,

Thanks a lot for your review and comments.

My understanding is as Flex-Algo is defined by operator, different Flex-Algos can be defined for different purpose and with different constraints. Thus it is possible to use different Flex-Algos for both the normal case and the VTN case in the same network.

Hope this helps.

Best regards,
Jie

From: Lsr [mailto:[e-mail]] On Behalf Of [e-mail]
Sent: Sunday, October 25, 2020 8:05 AM
To: 朱永庆@chinatelecom <[e-mail]>; [e-mail]
Subject: Re: [Lsr] 回复: New Version Notification for draft-zhu-lsr-isis-sr-vtn-flexalgo-01.txt

Hi authors,

I’ve reviewed this document.  The draft provides a useful mechanism to enable VTNs based on minor extensions to Flex-Algo and L2 bundle.

One comment is: in one network, can some Flex-Algos be used for its traditional usage, and some other Flex-Algos be used for VTNs as described in this document?

BR.

HuaNan

发件人： [e-mail]<mailto:[e-mail]>
发送时间： 2020-09-16 14:13
收件人： [e-mail]<mailto:[e-mail]>
主题： [Lsr] 回复: New Version Notification for draft-zhu-lsr-isis-sr-vtn-flexalgo-01.txt
Hi WG,

We just submitted a new revision of draft-zhu-lsr-isis-sr-vtn-flexalgo. This document specifies a mechanism to use Flex-Algo together with small extensions to IS-IS L2 bundle to distribute the topology and resource attribute of SR based VTN. Your review and comments are appreciated.
B.R.
Zhu Yongqing

-----邮件原件-----
发件人: [e-mail]<mailto:[e-mail]> <[e-mail]<mailto:[e-mail]>>
发送时间: 2020年9月11日 17:11
收件人: Dongjie (Jimmy) <[e-mail]<mailto:[e-mail]>>; Yongqing Zhu <[e-mail]<mailto:[e-mail]>>; Huzhibo <[e-mail]<mailto:[e-mail]>>
主题: New Version Notification for draft-zhu-lsr-isis-sr-vtn-flexalgo-01.txt


A new version of I-D, draft-zhu-lsr-isis-sr-vtn-flexalgo-01.txt
has been successfully submitted by Jie Dong and posted to the IETF repository.

Name:           draft-zhu-lsr-isis-sr-vtn-flexalgo
Revision:       01
Title:          Using Flex-Algo for Segment Routing based VTN
Document date:  2020-09-11
Group:          Individual Submission
Pages:          8
URL:            https://www.ietf.org/id/draft-zhu-lsr-isis-sr-vtn-flexalgo-01.txt
Status:         https://datatracker.ietf.org/doc/draft-zhu-lsr-isis-sr-vtn-flexalgo/
Htmlized:       https://datatracker.ietf.org/doc/html/draft-zhu-lsr-isis-sr-vtn-flexalgo
Htmlized:       https://tools.ietf.org/html/draft-zhu-lsr-isis-sr-vtn-flexalgo-01
Diff:           https://www.ietf.org/rfcdiff?url2=draft-zhu-lsr-isis-sr-vtn-flexalgo-01

Abstract:
   As defined in I-D.ietf-teas-enhanced-vpn, enhanced VPN (VPN+) aims to
   provide enhanced VPN service to support the needs of enhanced
   isolation and stringent performance requirements.  VPN+ requires
   integration between the overlay VPN and the underlay network.  A
   Virtual Transport Network (VTN) is a virtual network which consists
   of a subset of network topology and network resources allocated from
   the underlay network.  A VTN could be used as the underlay for one or
   a group of VPN+ services.

   I-D.dong-lsr-sr-enhanced-vpn defines the IGP mechanisms with
   necessary extensions to build a set of Segment Routing (SR) based
   VTNs.  This document describes a simplified mechanism to build the SR
   based VTNs using SR Flex-Algo together with minor extensions to IGP
   L2 bundle.





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