Re: [Bier] Call For Adoption: draft-zhang-bier-bierin6
duanfanghong <duanfanghong@huawei.com> Tue, 02 March 2021 11:45 UTC
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From: duanfanghong <duanfanghong@huawei.com>
To: "Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net>, "gjshep@gmail.com" <gjshep@gmail.com>, BIER WG <bier@ietf.org>, "zhang.zheng@zte.com.cn" <zhang.zheng@zte.com.cn>
Thread-Topic: [Bier] Call For Adoption: draft-zhang-bier-bierin6
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Date: Tue, 02 Mar 2021 11:45:44 +0000
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Subject: Re: [Bier] Call For Adoption: draft-zhang-bier-bierin6
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Hi Jeffrey and Sandy, o In option 1, do you mean that, an entire IPv6 header is added between BIER header and the customer multicast packet with a BIER Proto value 6 used? Consider non-BFR case like this: A(bfr) ---- B(nonbfr) ---- C(nonbfr) ---- D(nonbfr) ---- E(bfr) You need an IPv6 Header + BIER Header + IPv6 Header + customer multicast packet encapsulation ? Here are some further questions about the inner IPv6 header : 1) what does "multicast locator" mean? 2) what is the source address of the inner IPv6 address? o In option 2, do you mean that, an IPv6 address is added between the BIER header and the customer multicast packet with a BIER Proto value TBD used? So an IPv6 address is floating in a place outside of any IPv6 header? I don't think it's reasonable. Thank you From: Jeffrey (Zhaohui) Zhang [mailto:zzhang@juniper.net] Sent: Tuesday, March 2, 2021 10:32 AM To: duanfanghong <duanfanghong@huawei.com>; gjshep@gmail.com; BIER WG <bier@ietf.org> Subject: RE: [Bier] Call For Adoption: draft-zhang-bier-bierin6 Hi Fanghong, Please see zzh> below. From: BIER <bier-bounces@ietf.org<mailto:bier-bounces@ietf.org>> On Behalf Of duanfanghong Sent: Monday, March 1, 2021 8:23 PM To: gjshep@gmail.com<mailto:gjshep@gmail.com>; BIER WG <bier@ietf.org<mailto:bier@ietf.org>> Subject: Re: [Bier] Call For Adoption: draft-zhang-bier-bierin6 [External Email. Be cautious of content] Hi, I see this document proposes 2 options for MVPN/EVPN. One is using the destination address to carry the ID of an MVPN/EVPN, but this means that every BFR have to be aware of the MVPN/EVPN instance, introducing state of MVPN/EVPN service and forwarding overhead in transit BFR nodes. Zzh> This is not true. In this option, IPv6 is payload and is only exposed at the BFER. We have talked this in the last round of discussion. The other is to use an IPv6 address after a BIER header and before the customer IP packet, however it proposes a new Proto value and new process in forwarding plane. Zzh> BIERv6, with its companion MVPN/EVPN solution, also requires new process in forwarding plane. I think both of the options have obvious defects, Zzh> Please see above. Zzh> Thanks. Zzh> Jeffrey and thus I do not support the adoption. Thanks ! Fanghong Duan From: BIER [mailto:bier-bounces@ietf.org] On Behalf Of Greg Shepherd Sent: Friday, February 26, 2021 12:37 AM To: BIER WG <bier@ietf.org<mailto:bier@ietf.org>> Subject: [Bier] Call For Adoption: draft-zhang-bier-bierin6 Thank you all for the active discussion that brought us to consensus. This draft now addresses all of the points of discussion for the solution. https://datatracker.ietf.org/doc/draft-zhang-bier-bierin6/<https://urldefense.com/v3/__https:/datatracker.ietf.org/doc/draft-zhang-bier-bierin6/__;!!NEt6yMaO-gk!Wz3exwJN85TEXwRgTI9gEwvjszwONVImICqBRh9GKk0mHtpLuzDK9Nf4DnO7hYbt$> Please reply to this thread with your support/opposition of WG adoption of the draft. Thanks, Shep (Chairs) Juniper Business Use Only
- [Bier] Call For Adoption: draft-zhang-bier-bierin6 Greg Shepherd
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… zhang.zheng
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Gyan Mishra
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Bidgoli, Hooman (Nokia - CA/Ottawa)
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Michael McBride
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Xiejingrong (Jingrong)
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Adrian Farrel
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… IJsbrand Wijnands
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Gyan Mishra
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Mankamana Mishra (mankamis)
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Greg Mirsky
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Zhuangzhuang Qin(联通北京市北京市分 公司)
- [Bier] 回复: Call For Adoption: draft-zhang-bier-bi… zhuyq8
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… xiao.min2
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… duanfanghong
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… zhangzhe (M)
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… zhang.zheng
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… zhang.zheng
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… duanfanghong
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… xiong.quan
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… duanfanghong
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… zhangzhe (M)
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… duanfanghong
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Gengxuesong (Geng Xuesong)
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Stig Venaas
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… zhangzhe (M)
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… peng.shaofu
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… duanfanghong
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Rishabh Parekh (riparekh)
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Jeffrey (Zhaohui) Zhang
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Greg Shepherd
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Greg Shepherd
- Re: [Bier] Call For Adoption: draft-zhang-bier-bi… Michael McBride