Re: [Bier] What does BIERin6 propose to satisfy the requirements? //RE: draft-ietf-bier-ipv6-requirements-09
Greg Shepherd <gjshep@gmail.com> Wed, 25 November 2020 14:44 UTC
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From: Greg Shepherd <gjshep@gmail.com>
Date: Wed, 25 Nov 2020 06:44:44 -0800
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To: Tianran Zhou <zhoutianran@huawei.com>
Cc: "Xiejingrong (Jingrong)" <xiejingrong@huawei.com>, "Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net>, BIER WG <bier@ietf.org>, Gyan Mishra <hayabusagsm@gmail.com>
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Subject: Re: [Bier] What does BIERin6 propose to satisfy the requirements? //RE: draft-ietf-bier-ipv6-requirements-09
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Comment in the thread please. Platitudes do not help move the discussion. Shep On Tue, Nov 24, 2020 at 10:01 PM Tianran Zhou <zhoutianran@huawei.com> wrote: > Why do you want to stop valid comments and valid discussions? > > I think both Gyan and Jingrong just raised the key technique points. > > Bier in 6 is just a wrong solution and direction. > > > > Tianran > > > > *From:* BIER [mailto:bier-bounces@ietf.org] *On Behalf Of *Greg Shepherd > *Sent:* Wednesday, November 25, 2020 1:16 PM > *To:* Xiejingrong (Jingrong) <xiejingrong@huawei.com> > *Cc:* Jeffrey (Zhaohui) Zhang <zzhang@juniper.net>; BIER WG <bier@ietf.org>; > Gyan Mishra <hayabusagsm@gmail.com> > *Subject:* Re: [Bier] What does BIERin6 propose to satisfy the > requirements? //RE: draft-ietf-bier-ipv6-requirements-09 > > > > Please try to keep comments on track and in-line with the thread. > Stand-alone questions like this are just digging up ground we've already > sowed. > > > > Thanks, > > Shep > > > > On Tue, Nov 24, 2020 at 7:27 PM Xiejingrong (Jingrong) < > xiejingrong@huawei.com> wrote: > > (to make clean, raise a new topic) > > I am confused too by the claiming a solution can do everything and it is > an "existing" solution, while requesting allocation of IPv6 Next Header / > IPv4 Protocol value which is non-trivial. > > We need to know, what does *the* BIERin6 draft propose, and how does *the* > BIERin6 draft satisfy the bier-ipv6-requirements. > Take req-1 as an example, suppose there are PPP-over-SONET(POS, RFC2615) > links in an IPv6 network, can the existing RFC8296 solve ? What does *the* > BIERin6 draft propose to solve ? > > Please note in my question the word *the* does not include anything that > RFC8296 can solve. Any existing RFC8296 solution is not belonging to *the* > BIERin6 proposal. Please tell us *the* BIERin6 proposal. > > Thanks > Jingrong > > -----Original Message----- > From: Gyan Mishra [mailto:hayabusagsm@gmail.com] > Sent: Wednesday, November 25, 2020 9:34 AM > To: Jeffrey (Zhaohui) Zhang <zzhang@juniper.net> > Cc: Alvaro Retana <aretana.ietf@gmail.com>; BIER WG <bier@ietf.org>; > EXT-zhang.zheng@zte.com.cn <zhang.zheng@zte.com.cn>; Tony Przygienda < > tonysietf@gmail.com>; draft-ietf-bier-ipv6-requirements < > draft-ietf-bier-ipv6-requirements@ietf.org>; gjshep@gmail.com > Subject: Re: draft-ietf-bier-ipv6-requirements-09 > > Jeffrey > > About the two lingering points it does shed light on something that has > been disturbing me with the BIERin6 solution. > > > I thought about this some more and I think what creates a lot of confusion > in my mind with BIERin6 solution is the L2/tunnel component. > > As the main reason is that the L2/tunnel exists today with RFC 8296 “Non > MPLS BIER Ethernet” with the special allocated next header code point to > account for BIER next header 0xAB37. > > I honestly think the L2 should be removed from the BIERin6 draft so that > the optional IPV6 encapsulation is no longer “optional” in the draft as > that now is the draft. > > This also provides the “IPv6 encapsulation” commonality with BIERv6 at > least showing clearly that their is a strive for commonality and parity > between the two solutions. > > Also the “muddying” of the water is eliminated by removing L2 making the > solution crystal clear to operators. > > > Kind Regards > > Gyan > > _______________________________________________ > BIER mailing list > BIER@ietf.org > https://www.ietf.org/mailman/listinfo/bier > >
- [Bier] What does BIERin6 propose to satisfy the r… Xiejingrong (Jingrong)
- Re: [Bier] What does BIERin6 propose to satisfy t… Greg Shepherd
- Re: [Bier] What does BIERin6 propose to satisfy t… Tianran Zhou
- Re: [Bier] What does BIERin6 propose to satisfy t… Xiejingrong (Jingrong)
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Greg Shepherd
- Re: [Bier] What does BIERin6 propose to satisfy t… Gyan Mishra
- Re: [Bier] What does BIERin6 propose to satisfy t… Tianran Zhou
- Re: [Bier] What does BIERin6 propose to satisfy t… Gyan Mishra
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Gyan Mishra
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Xiejingrong (Jingrong)
- Re: [Bier] What does BIERin6 propose to satisfy t… Tianran Zhou
- Re: [Bier] What does BIERin6 propose to satisfy t… Greg Mirsky
- Re: [Bier] What does BIERin6 propose to satisfy t… Gyan Mishra
- Re: [Bier] What does BIERin6 propose to satisfy t… Gyan Mishra
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Xiejingrong (Jingrong)
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Tianran Zhou
- Re: [Bier] What does BIERin6 propose to satisfy t… Jeffrey (Zhaohui) Zhang
- Re: [Bier] What does BIERin6 propose to satisfy t… Gyan Mishra
- Re: [Bier] What does BIERin6 propose to satisfy t… Xiejingrong (Jingrong)
- Re: [Bier] What does BIERin6 propose to satisfy t… Tianran Zhou