Re: [v6ops] I-D Action: draft-colitti-v6ops-host-addr-availability-01.txt
Andrew 👽 Yourtchenko <ayourtch@gmail.com> Tue, 28 July 2015 13:58 UTC
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Date: Tue, 28 Jul 2015 15:58:04 +0200
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From: Andrew 👽 Yourtchenko <ayourtch@gmail.com>
To: Gert Doering <gert@space.net>
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Cc: IPv6 Operations <v6ops@ietf.org>
Subject: Re: [v6ops] I-D Action: draft-colitti-v6ops-host-addr-availability-01.txt
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On 7/28/15, Gert Doering <gert@space.net> wrote: > Hi, > > On Mon, Jul 27, 2015 at 03:25:18PM +0200, Andrew ???? Yourtchenko wrote: >> The disjoint nature of IA_NA means a corresponding number of TCAM >> entries is required on L3 switches. >> >> A prefix, on the other hand, requires just an entry for the link-local >> of the host + an entry for the prefix. Regardless of the prefix >> length. > > All true. But then you excercise pressure on the prefix allocation side > - instead of having "one /64 for that LAN segment, which is big enough > for arbitrary number of hosts" you end up with "a /52[-ish] per LAN segment > to cover DHCP-PD delegation to thousands of hosts". > > (Say, 1000 hosts, all doing DHCP-PD and requesting a single /64, you'd > need to provision at least a /54 per segment - which will increase your > prefix usage enormously) > > Is that what you want? I did not look at it as a problem given that every mobile phone on IPv6 will already get a /64 per host, and the number of mobile phones is dramatically bigger than the number of fixed installations. But I pulled that assumption more or less out of my thumb, based on observed anecdata, so would be happy to be proven wrong. If we say we want to absolutely avoid NAT, then something has to give, and I don't know which tradeoff is a better one, both can be argued for and against. I think we might need both. --a > > Gert Doering > -- NetMaster > -- > have you enabled IPv6 on something today...? > > SpaceNet AG Vorstand: Sebastian v. Bomhard > Joseph-Dollinger-Bogen 14 Aufsichtsratsvors.: A. Grundner-Culemann > D-80807 Muenchen HRB: 136055 (AG Muenchen) > Tel: +49 (0)89/32356-444 USt-IdNr.: DE813185279 >
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Brian E Carpenter
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Mark Smith
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Gert Doering
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Andrew 👽 Yourtchenko
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Gert Doering
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Gert Doering
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Gert Doering
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Gert Doering
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Gert Doering
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Andrew 👽 Yourtchenko
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Templin, Fred L
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Gert Doering
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Templin, Fred L
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Andrew 👽 Yourtchenko
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Templin, Fred L
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Brian E Carpenter
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Mark Smith
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Mark Smith
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Mark Smith
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Tore Anderson
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Brian E Carpenter
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Ted Lemon
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Templin, Fred L
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Philip Homburg
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Templin, Fred L
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Tore Anderson
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Alexandru Petrescu
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Alexandru Petrescu
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Templin, Fred L
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Templin, Fred L
- Re: [v6ops] I-D Action: draft-colitti-v6ops-host-… Alexandru Petrescu