Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-10 Thread Luis M. Contreras
Hi all, acknowledging the scalability concerns discussed on the list, I think there could be some scenarios that could be yet benefited from this approach. So I'm in favor of supporting the adoption of the document. Best regards Luis El mié, 27 ene 2021 a las 12:47, James Guichard (< james.n.g

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-09 Thread Chengli (Cheng Li)
Hi SPRING, I have read the document and think it is mature and ready to be adopted. This document describes how to implement SR-based VTN using resource-aware SIDs, which is very helpful for people to understand. I would like to work on it as well! :) Thanks to the authors! Cheng From: sp

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-08 Thread Dongjie (Jimmy)
Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi WG, I think that this document is good enough as starting point for the WG, and I support the adoption. There are many drafts related to network slice with SR (e.g., SR + Flex-algo, draft-bestbar-spring-scalable-ns, etc.) and I hope it will

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-08 Thread Yingzhen Qu
Hi, I support the WG adoption of this draft, and I believe it’s a good starting point for the WG to work on this topic, and see how existing technologies can be integrated to provide new capabilities. Resource reservation has always been a controversial topic, whether it is needed, or efficien

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-08 Thread chen.ran
Hi WG, What are the advantages of this draft compared with other drafts? (such as draft-bestbar-spring-scalable-ns, draft-peng-lsr-network-slicing),and is it just explain the concept of virtual SR network beyond the concept of resource-aware SID? Many people are thinking about how to r

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-08 Thread Shunsuke Homma
Hi WG, I think that this document is good enough as starting point for the WG, and I support the adoption. There are many drafts related to network slice with SR (e.g., SR + Flex-algo, draft-bestbar-spring-scalable-ns, etc.) and I hope it will be clarified which is the best in future work. The fo

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-08 Thread Tarek Saad
I agree with Shaofu. A slice aggregate is independent of the forwarding plane (i.e. it is not a virtual network). A single flex-algo (that defines a forwarding plane) can be sliced into multiple slice-aggregates. If per slice SIDs are used, it allows IGP to share the forwarding next-hops for eac

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-07 Thread Tianran Zhou
anran Sent from WeLink 发件人: peng.shaofumailto:peng.sha...@zte.com.cn>> 收件人: james.n.guichardmailto:james.n.guich...@futurewei.com>> 抄送: springmailto:spring@ietf.org>>;spring-chairsmailto:spring-cha...@ietf.org>> 主题: Re: [spring] WG Adoption Call for draft-dong-spring-sr

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-07 Thread Adrian Farrel
1 19:54 To: Colby Barth ; spring@ietf.org Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Colby, you are, as far as I can tell, correct that the potential for state explosion is extremely risky and requires careful management. That is why the bestbar draft emphasi

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-07 Thread peng.shaofu
...@ietf.org Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi WG/authors, I have to point out that the VTN-ID in draft-dong-spring-sr-for-enhanced-vpn is actually the AII in draft-peng-teas-network-slicing, just a new name. That can be seen from the

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-06 Thread Dongjie (Jimmy)
From: spring [mailto:spring-boun...@ietf.org] On Behalf Of peng.sha...@zte.com.cn Sent: Sunday, February 7, 2021 11:53 AM To: james.n.guich...@futurewei.com Cc: spring@ietf.org; spring-cha...@ietf.org Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi WG

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-06 Thread peng.shaofu
Hi WG/authors, I have to point out that the VTN-ID in draft-dong-spring-sr-for-enhanced-vpn is actually the AII in draft-peng-teas-network-slicing, just a new name. That can be seen from the evolution of the historical versions of the these two drafts. I draw your attention to draft draf

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-06 Thread Ahmed MostafaSaleh ElSawaf
Hello I am Supporting the adoption of this document. The mechanism provided in this document can help us to build customized virtual networks for different types of services with diverse performance requirements. From: spring On Behalf Of James Guichard Sent: Wednesday, January 27, 2021 2:47

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-05 Thread Vishnu Pavan Beeram
WG, Hi! advocates a couple of options for determining which slice-aggregate the packet belongs to: (a) Segment Range as Slice Selector (b) Global Identifier as Slice Selector In option (a), which is what is relevant for draft-dong-spring-sr-for-enhanced-vpn, the following is advocated: ".. mu

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-05 Thread Francois Clad (fclad)
Hi chairs, WG, Support as a co-author. Thanks, Francois From: spring on behalf of James Guichard Date: Wednesday, 27 January 2021 at 12:47 To: spring@ietf.org Cc: spring-cha...@ietf.org Subject: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Dear WG: This message start

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-05 Thread Loa Andersson
Working Group, I have reviewed the draft and believe that it is a good starting point for the wg to create the Enhanced VPN standard. /Loa On 27/01/2021 19:46, James Guichard wrote: Dear WG: This message starts a 2 week WG adoption call for https://datatracker.ietf.org/doc/draft-dong-sprin

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-03 Thread Huaimo Chen
Hi Everyone, I support for its WG adoption. It uses resource aware SIDs to provide different SR based Virtual Transport Networks for different service requirements from customers. In addition, One VTN may be separated from the others. This is useful. I have a couple of comments. In Sect

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-03 Thread Linda Dunbar
Dear WG, I support the WG adoption of the draft. It is true that the enhanced-vpn mechanism requires additional processing. For some special environment, such as the 5G Edge Computing servers within N6 network, some operators may be willing to add the additional processing (in the confined net

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-03 Thread 联通北京市北京市分公司
Hi, WG: I support the adoption. Using of resource-aware SIDs to build SR based VTNs is very helpful in building our 5G SA transport network. Regards, ZhuangZhuang Qin 发件人: James Guichard 日期: 2021年1月27日 星期三 下午7:46 收件人: "spring@ietf.org" 抄送: "spring-cha...@ietf.org" 主题: [spring] WG Adoption

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread chenhu...@chinatelecom.cn
I support the adoption of this document. The capability of providing different services with customized virtual networks and resources is important for a multi-service network operator. HUANAN CHEN(陈华南) Data Communication Research Department Research Institute of China Telecom Co.,Ltd. From:

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Joel M. Halpern
Colby, you are, as far as I can tell, correct that the potential for state explosion is extremely risky and requires careful management. That is why the bestbar draft emphasis that the state is abotu slice aggregates, not end-to-end slices, and probably not even individual IETF network slices.

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Colby Barth
Tarek, indeed … draft-bestbar-spring-scalable-ns-00 provides a relevant example of the rather enormous amount of state the solution described in draft-dong-spring-sr-for-enhanced-vpn results in: "Notably, this approach requires maintaining per slice state for each topological element on e

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Tarek Saad
Hi Eduard, Inline.. On 2/2/21, 10:50 AM, "spring on behalf of Vasilenko Eduard" mailto:spring-boun...@ietf.org> on behalf of vasilenko.edu...@huawei.com> wrote: Hi all, There is the general trend to encode the action into the packet, not to distribute state

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread stefano previdi
Hi, I support the WG adoption of this draft. Thanks. s. > On Jan 27, 2021, at 12:46 PM, James Guichard > wrote: > > Dear WG: > > This message starts a 2 week WG adoption call for > https://datatracker.ietf.org/doc/draft-dong-spring-sr-for-enhanced-vpn/ > ending February 10th2021. > >

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Vasilenko Eduard
Hi all, There is the general trend to encode the action into the packet, not to distribute states in the control plane for all possible traffic types. Granularity, programmability are better. This type of virtualization is fully in-line with this trend. Support. Eduard From: spring [mailto:spring

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Tarek Saad
..@futurewei.com>>; SPRING WG mailto:spring@ietf.org>>; spring-cha...@ietf.org<mailto:spring-cha...@ietf.org> Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi Adrian, Just to make sure my point was correctly understood ... I am not questionin

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Giuseppe Fioccola
Hi All, I have read it and support WG adoption for this draft that provides a mechanism based on resource-aware SIDs in order to build SR based VTNs for Enhanced VPN. Regards, Giuseppe From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Wednesday, January 27, 2021 12

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Robert Raszuk
y have the capability to make reservations (in the control plane) > at the network nodes. This can be achieved using a central controller to > keep tabs on all resource accounting, and it could use a southbound > interface to install that information in the (management/control parts of >

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Dongjie (Jimmy)
Hi Xuesong, Thanks for your support and comment. As this document mainly describes the SR data plane mechanisms and the procedures of building SR based VTNs, the descriptions about the control plane are brief, and the details are left to the control plane drafts. That said, we could add some m

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-02 Thread Lizhenbin
Hi WG, I support the adoption as the contributor. It has been three years since the first version of the draft was proposed. After long-term work, the solution is mature and well-accepted. The draft is well written and ready for adoption. Best Regards, Zhenbin (Robin) From: spring [mailto:sp

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-01 Thread Tarek Saad
Adrian Farrel mailto:adr...@olddog.co.uk>> Cc: James Guichard mailto:james.n.guich...@futurewei.com>>; SPRING WG mailto:spring@ietf.org>>; spring-cha...@ietf.org<mailto:spring-cha...@ietf.org> Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi Ad

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-01 Thread Tarek Saad
Hi WG/authors, My understanding is this draft proposes allocation of per VTN resource-aware SID for each topological element in a network. This means a specific node may carry per VTN state (in control plane and dataplane) for each topological element (node or link). In general, to avoid state

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-02-01 Thread Gengxuesong (Geng Xuesong)
Hi WG, I support WG adoption of this document, which gives good instructions about how to use resoucer-aware SIDs to build SR based VTN. While in the next version, maybe it is better to add more specifications about VTN control plane functions and protocol extensions. (There is some text in se

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-31 Thread Gyan Mishra
Hi Adrian I agree that we need an Enhanced VPN Framework architecture draft that ties in all related drafts as well as TEAS network slicing framework and definition. As Jie mentioned that Enhanced VPN involved data plane provisioning of resources and that is what the resource SIDs provides in the

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-31 Thread Takuya Miyasaka
Hi WG, I support the adoption of this draft as a coauthor. Some of our customers have already asked us to provide resource isolated networks for their mission-critical applications such as real-time video transfer, remote surgery, remote control vehicle. To realize such a request, I think thi

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-31 Thread Robert Raszuk
an be achieved using a central controller to >>> keep tabs on all resource accounting, and it could use a southbound >>> interface to install that information in the (management/control parts of >>> the) network nodes. >>> >>> >>> >>> Ch

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-31 Thread Lou Berger
cha...@ietf.org<mailto:spring-cha...@ietf.org> Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi Adrian, Just to make sure my point was correctly understood ... I am not questioning if either data plane or control plane resource reservations should or should no

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-31 Thread Robert Raszuk
nd it could use a southbound > interface to install that information in the (management/control parts of > the) network nodes. > > > > Cheers, > > Adrian > > > > *From:* Robert Raszuk > *Sent:* 31 January 2021 00:46 > *To:* Adrian Farrel > *Cc:* James Guich

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-31 Thread Adrian Farrel
southbound interface to install that information in the (management/control parts of the) network nodes. Cheers, Adrian From: Robert Raszuk Sent: 31 January 2021 00:46 To: Adrian Farrel Cc: James Guichard ; SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] WG Adoption Call for draft

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-30 Thread Dongjie (Jimmy)
Guichard ; SPRING WG ; spring-cha...@ietf.org Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi Adrian, Just to make sure my point was correctly understood ... I am not questioning if either data plane or control plane resource reservations should or should not be

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-30 Thread Robert Raszuk
Hi Adrian, Just to make sure my point was correctly understood ... I am not questioning if either data plane or control plane resource reservations should or should not be done for SR. What I am questioning is that the draft says: When compared with RSVP-TE [RFC3209], SR currently does not

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-30 Thread Adrian Farrel
Thanks, Jim, I've been following the enhanced VPN work in TEAS and I see it as a key piece of the network slicing work. It's time that we had some protocol solutions that serve the VPN framework, and this is a suitable starting point. I like that it is not specifying additional protocol wid

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-29 Thread Gyan Mishra
I support WG adoption for this draft that builds on the Enhanced VPN Framework VPN+ using Segment Routing and with this draft uses prefix and adjacency “resource aware” SIDs for VTN underlay resources SR path instantiation for 5G RAN xHaul network slicing use case paradigm shift provisioning of m

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-29 Thread Zhuangshunwan
Hi all, I support the adoption of this document, it provides a useful mechanism to build SR-MPLS/SRv6 based VTNs. Best Regards, Shunwan From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Wednesday, January 27, 2021 7:47 PM To: spring@ietf.org Cc: spring-cha...@iet

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-28 Thread 联通集团中国联通研究院-本部
Hi WG, I support the adoption of this document. It is an useful feature to build customized virtual networks for different types of services in a network. Best regards, Pang Ran From: James Guichard Date: 2021-01-27 19:46 To: spring@ietf.org

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-28 Thread 刘鹏
Hi all I support the adoption of this draft. Regards, Peng Liu Peng Liu | 刘鹏 China Mobile | 移动研究院 mobile phone:13810146105 email: liupeng...@chinamobile.com 发件人: James Guichard 时间: 2021/01/27(星期三)19:46 收件人: spring; 抄送人: spring-chairs; 主题: [spring] WG Adoption Call

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-28 Thread Robert Raszuk
ert, > > > > *From:* Robert Raszuk [mailto:rob...@raszuk.net] > *Sent:* Thursday, January 28, 2021 6:52 PM > *To:* Dongjie (Jimmy) > *Cc:* James Guichard ; spring@ietf.org; > spring-cha...@ietf.org > *Subject:* Re: [spring] WG Adoption Call for > draft-dong-spring-sr-for-enhanced

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-28 Thread Dongjie (Jimmy)
Hi Robert, From: Robert Raszuk [mailto:rob...@raszuk.net] Sent: Thursday, January 28, 2021 6:52 PM To: Dongjie (Jimmy) Cc: James Guichard ; spring@ietf.org; spring-cha...@ietf.org Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Jie, Can you perhaps say exactly

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-28 Thread xie...@chinatelecom.cn
Hi, Spring WG, I support the adoption of this document. It describes a mechanism to build SR based virtual networks with customized attributes. Best regards Chongfeng From: James Guichard Date: 2021-01-27 19:46 To: spring@ietf.org CC: spring-cha...@ietf.org Subject: [spring] WG Adoption Call

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-28 Thread Robert Raszuk
(Jimmy) > *Cc:* James Guichard ; spring@ietf.org; > spring-cha...@ietf.org > *Subject:* Re: [spring] WG Adoption Call for > draft-dong-spring-sr-for-enhanced-vpn > > > > Jie, > > > > > [Jie] Agree that with MPLS-TE the reservation could just happen in the &g

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-28 Thread Mach Chen
Hi, I have read the document, it provides a practical approach to build resource guaranteed virtual transport networks based on resource-aware SIDs. I think it's useful and hence support the adoption of the document. Best regards, Mach From: spring [mailto:spring-boun...@ietf.org] On Behalf Of

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-28 Thread Dongjie (Jimmy)
Hi Robert, From: Robert Raszuk [mailto:rob...@raszuk.net] Sent: Thursday, January 28, 2021 1:01 AM To: Dongjie (Jimmy) Cc: James Guichard ; spring@ietf.org; spring-cha...@ietf.org Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Jie, > [Jie] Agree that w

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-27 Thread Huzhibo
Support,. It is a specific application scenario of resource-aware-segments. Best Regards, Zhibo Hu From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Wednesday, January 27, 2021 7:47 PM To: spring@ietf.org Cc: spring-cha...@ietf.org Subject: [spring] WG Adoption Call f

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-27 Thread duzongp...@foxmail.com
Hi, all I support the adoption of this document, it provides a useful mechanism to meet different service requirements in operators' network. Best Regards Zongpeng Du duzongp...@foxmail.com & duzongp...@chinamobile.com From: James Guichard Date: 2021-01-27 19:46 To: spring@ietf.org CC:

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-27 Thread Robert Raszuk
ome replies inline with [Jie]: > > > > *From:* spring [mailto:spring-boun...@ietf.org] *On Behalf Of *Robert > Raszuk > *Sent:* Wednesday, January 27, 2021 8:03 PM > *To:* James Guichard > *Cc:* spring@ietf.org; spring-cha...@ietf.org > *Subject:* Re: [spring] WG Adoption Call

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-27 Thread Dongjie (Jimmy)
for draft-dong-spring-sr-for-enhanced-vpn All, Before I make a decision on expressing my support or indicate no support I would like to better understand what resource reservation is being discussed here. [Jie] The resource reservation here refers to the data plane resources reserved for

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2021-01-27 Thread Robert Raszuk
All, Before I make a decision on expressing my support or indicate no support I would like to better understand what resource reservation is being discussed here. draft-ietf-spring-resource-aware-segments-01 also talks about "reservations" yet lacks clarity what those reservations will actually b

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-29 Thread Greg Mirsky
Dear WG Chairs, Authors, I think I need to clarify my view regarding the WG adoption of this draft. I share concerns expressed by Tarek. Also, it is not clear the role of resource-SID in the case of FlexE underlay. And it does appear that an SR node will maintain state per resource-SID it is provis

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-29 Thread Loa Andersson
Working Grpup, I reviewed the draft and find it a very good start for a working group topic that is well inside the scope of what the working group needs to be working on. /Loa On 15/07/2020 19:16, James Guichard wrote: Dear WG: This email begins a 2 week WG adoption call for https://datatra

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-28 Thread xiong.quan
Dear Chairs and Authors, I have reviewed the draft in details. I don't think the draft is ready to be adopted. In my view, the draft does not propose any new mechanism or idea beyond the existing solutions that have already been provided. The following are my questions about the description of

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-28 Thread Shunsuke Homma
Hi WG, I reviewed the draft, and support the adoption. The proposal may be a useful improvement of SR architecture, and it will be valuable to consider it. The follows are my comments: - Regarding scalability, it will depend on how to design configurations, and I think that there is little differ

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-28 Thread Greg Mirsky
Dear Authors, thank you for that well-written document. It was a pleasure to read. I have a number of questions and much appreciate it if you can clarify them for me: - how you envision mapping resources to a topological SID, e.g. adj-SID? Would it be 1:1, i.e., a new SID for each resource t

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-27 Thread lic...@chinatelecom.cn
Hi WG, I support the adoption. It is a useful enhancement to SR, which can help to provide network SLA assurance for various services. Best regards, Cong Li From: James Guichard Date: 2020-07-15 19:16 To: spring@ietf.org CC: spring-cha...@ietf.org Subject: [spring] WG Adoption Call for dra

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-27 Thread ma...@chinatelecom.cn
Dear WG: I support the adoption. The mechanism in this document could be helpful to deploy services with guaranteed SLA in SR network. Best regards, Chenhao From: James Guichard Date: 2020-07-15 19:16 To: spring@ietf.org CC: spring-cha...@ietf.org Subject: [spring] WG Adoption Call for draft-

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-27 Thread Stewart Bryant
As an author I think this is a useful text to publish in support of this work that continues in TEAS. I hope that the WG is able to accept it as a SPRING WG draft. Stewart > On 15 Jul 2020, at 12:16, James Guichard > wrote: > > Dear WG: > > This email begins a 2 week WG adoption call for

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-27 Thread Adrian Farrel
Hi Jim, I've been working on the Enhanced VPN framework in TEAS and I consider it a good foundation for providing a more sophisticated VPN service that also addresses the needs of network slicing. So I'm pleased to see this work being examined in SPRING. It's been a while since I read this

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-27 Thread Luis M. Contreras
Hi all, Yes, I support the adoption. The document is in a good shape. I would suggest however to include some hints about the kind of resources considered so far (by now there is an example considering bandwidth; I guess other kind of resources could represent further complexity). Thanks Luis E

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-26 Thread Weiqiang Cheng
I support the adoption of this document. It provides a generic and useful enhancement to SR, and the document is in good shape. B.R. Weiqiang Cheng 发件人: spring [mailto:spring-boun...@ietf.org] 代表 James Guichard 发送时间: 2020年7月15日 19:17 收件人: spring@ietf.org 抄送: spring-cha...@ietf.org 主题: [s

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-26 Thread Yingzhen Qu
I support the adoption of this draft. The proposal provides a useful extension of SR regarding network resources. I have the following suggestions for the authors to consider: * The draft is very slicing/virtual network focused, however the proposal can be used in generic cases, e.g. with S

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-25 Thread Dongjie (Jimmy)
Hi Tarek, Thanks for your comment, please see some replies inline: From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Tarek Saad Sent: Sunday, July 26, 2020 2:57 AM To: James Guichard ; spring@ietf.org Cc: spring-cha...@ietf.org Subject: Re: [spring] WG Adoption Call for draft-dong

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-25 Thread Dongjie (Jimmy)
cha...@ietf.org > Subject: Re: [spring] WG Adoption Call for > draft-dong-spring-sr-for-enhanced-vpn > > Hi WG, > > I support adoption on this work, it is in good shape to be adopted to be in > the > working group control. Hope the authors/WG find these comments useful - > &

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-25 Thread Tarek Saad
Hi WG, This document is touching important topics regarding forwarding on specific set of resources in the network (such as those that define a network slice). For this, it’s important to be able to identify transiting traffic as belonging to a specific slice so as to impose the specific behavio

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-25 Thread Dhruv Dhody
Hi WG, I support adoption on this work, it is in good shape to be adopted to be in the working group control. Hope the authors/WG find these comments useful - (1) I would like to see this work provide more guidance for the protocol extensions - - Virtual network identifiers and its scope - Ident

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-25 Thread Huaimo Chen
Support. Best Regards, Huaimo From: spring on behalf of James Guichard Sent: Wednesday, July 15, 2020 7:16 AM To: spring@ietf.org Cc: spring-cha...@ietf.org Subject: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Dear WG: This email b

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-24 Thread Dongjie (Jimmy)
to:spring@ietf.org> Cc: spring-cha...@ietf.org<mailto:spring-cha...@ietf.org> Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi All, This document seems to talk of "resource group" SIDs that is something interesting - specifically for S

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-23 Thread Ketan Talaulikar (ketant)
Hi All, This document seems to talk of "resource group" SIDs that is something interesting - specifically for SR-MPLS (I don't see the same relevance for SRv6). I support the adoption of (what is coming across to me as) this concept of a new "resource group" scope for SR SIDs as a work ite

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-21 Thread Chengli (Cheng Li)
Yes, support. The idea of SR for enhanced VPN is really clear and straight forward, and it is needed for sure. Since the text is stable and mature, I support the adoption. Respect, Cheng From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Wednesday, July 15, 2020 7:

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-21 Thread Francois Clad (fclad)
Hi, As a co-author, I support the adoption of this draft. Thanks, Francois From: spring on behalf of James Guichard Date: Wednesday 15 July 2020 at 13:17 To: "spring@ietf.org" Cc: "spring-cha...@ietf.org" Subject: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Dear WG:

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-19 Thread Takuya Miyasaka
AS a coauthor, I support this adoption. From an operator perspective, the idea brought by this draft is useful for the efficient resource reservation. Thanks, Takuya Dear WG: This email begins a 2 week WG adoption call for https://datatracker.ietf.org/doc/draft-dong-spring-sr-for-enhanced-v

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-17 Thread Gengxuesong (Geng Xuesong)
Hi WG, I support the WG adoption. The method introduced in the document is a reasonable extension to the semantics of SR SID, which could be used to meet specific requirements of some network scenarios. Best Regards Xuesong From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guic

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-17 Thread 联通北京市北京市分公司
Hi WG, From the service provider's perspective , we really need some SR enhancement for virtual networks & resource awareness. So I support adoption the draft firstly and more deep discussions about control-plane should be done. Best Regards ZhuangZhuang Qin (bjunicom_qzz_mo...@126

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Tomonobu Niwa
Dear WG, I support the WG adoption. From operator perspective, it could be helpful to deploy network services with different SLA/SLO in SR network. Best regards, Tomo --- Tomonobu Niwa KDDI Corporation TEL: +81-80-5074-9346 E-Mail: to

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Aijun Wang
Yes/Support. Resource-Aware SID can be used to accomplish the determined QoS requirements of the specified services. Best Regards Aijun Wang China Telecom From: spring-boun...@ietf.org [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Wednesday, July 15, 2020 7:17

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Dongjie (Jimmy)
future. Best regards, Jie From: spring [mailto:spring-boun...@ietf.org] On Behalf Of Mach Chen Sent: Thursday, July 16, 2020 9:46 AM To: James Guichard ; spring@ietf.org Cc: spring-cha...@ietf.org Subject: Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Hi, I have read

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread 联通集团联通网络技术研究院本部
Hi WG, I support the adoption of this draft. The mechanism introduced in this draft will be useful to meet diverse service requirement. Thanks, Ran From: James Guichard Date: 2020-07-15 19:16 To: spring@ietf.org CC: spring-cha...@ie

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Dongjie (Jimmy)
Adoption Call for draft-dong-spring-sr-for-enhanced-vpn I support the WG adoption of this draft. I think it is a really good idea for each Virtual Network to have its own SIDs. A couple questions to the authors: Page 9: Figure 1: The Red network has same SID on A & B for the path between

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread zhaof...@caict.ac.cn
Hi WG, I support this document,because it is a useful solution, especially for 5g scenarios and networks with strong SLA requirements. Thanks, Zhao Feng Internet Center, Research Institute of Technology and Standard, China Academy of Information and Communication Technology China TTL Labs

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Mach Chen
Hi, I have read several versions of this draft, I think this is a useful work, hence support the adoption! One comment about the draft, it's better to decouple this draft a bit from network slicing, since it can be as a basic function that can not only be used for network slicing, but be used

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Peng Liu
Hi All, I support the adoption of the draft. Regards, Peng Liu liupeng...@outlook.com From: James Guichard Date: 2020-07-15 19:16 To: spring@ietf.org CC: spring-cha...@ietf.org Subject: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn Dear WG: This email begins a 2 week

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Linda Dunbar
I support the WG adoption of this draft. I think it is a really good idea for each Virtual Network to have its own SIDs. A couple questions to the authors: Page 9: Figure 1: The Red network has same SID on A & B for the path between them. But between B & E there are different SIDs. Is it intende

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread stefano previdi
I support the adoption of this document. Thanks. s. > On Jul 15, 2020, at 1:16 PM, James Guichard > wrote: > > Dear WG: > > This email begins a 2 week WG adoption call for > https://datatracker.ietf.org/doc/draft-dong-spring-sr-for-enhanced-vpn/ > ending Wednesday 29th July 2020. > > Pl

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Gyan Mishra
I support WG adoption and agree it’s a very useful use case of SR technology. I really like the concept that it utilizes the TEAS context of network slicing construct of virtualization of physical PE / P core infrastructure, containerization with this new enhancement VPN framework for critical 5G

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Jeff Tantsura
Yes/support Regards, Jeff > On Jul 15, 2020, at 04:17, James Guichard > wrote: > >  > Dear WG: > > This email begins a 2 week WG adoption call for > https://datatracker.ietf.org/doc/draft-dong-spring-sr-for-enhanced-vpn/ > ending Wednesday 29th July 2020. > > Please speak up if you supp

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Xiejingrong (Jingrong)
Very useful use case for Segment routing technology, and very well written document. I do support the WG adoption of this draft. Thanks Jingrong Xie From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Wednesday, July 15, 2020 7:17 PM To: spring@ietf.org Cc: spring-cha

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Huzhibo
Hi WG, I support the WG adoption. It is a useful enhancement to SR and can provides better network SLA assurance capabilities. Thanks, Zhibo From: spring [mailto:spring-boun...@ietf.org] On Behalf Of James Guichard Sent: Wednesday, July 15, 2020 7:17 PM To: spring@ietf.org Cc: spring-cha...@i

Re: [spring] WG Adoption Call for draft-dong-spring-sr-for-enhanced-vpn

2020-07-15 Thread Zhuangshunwan
Hi Jim, Joel & Bruno, This document proposes a reasonable enhancement to SR, which makes SR a suitable technology for wider range of services and network scenarios. I support the WG adoption of this useful document. Thanks, Shunwan From: spring [mailto:spring-boun...@ietf.org] On Behalf Of J