Re: problem statement [was Re: New Version Notification for draft-hinden-ipv4flag-00.txt]
Nick Hilliard <nick@foobar.org> Tue, 21 November 2017 15:47 UTC
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Date: Tue, 21 Nov 2017 15:47:04 +0000
From: Nick Hilliard <nick@foobar.org>
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To: Mikael Abrahamsson <swmike@swm.pp.se>
CC: IETF IPv6 Mailing List <ipv6@ietf.org>
Subject: Re: problem statement [was Re: New Version Notification for draft-hinden-ipv4flag-00.txt]
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Mikael Abrahamsson wrote: > Indeed. And I'd rather put this hack in IPv6, as it requires adding code > to configure and send an additional RA option compared to requiring a > complete IPv4 stack and DHCPv4 code to send some option there. I agree it will simplify things on the operator side, slightly. The complication on the client side is substantial though, and it's usually the client side where we run into deployment problems due to high levels of heterogeneity and in this case, layering issues, i.e. using ipv6 to signal to a kernel which needs to message-pass to a dhcpv4 userland process to stop issuing queries on a specific interface or to otherwise implement what we mean by this flag. There would also be a requirement for the network edge to be able to filter out RAs with this option, given that the ipv6 / RA model is to be able to deploy multiple routers and we cannot assume that this flag would be limited to e.g. cellular networks or resi access networks or whatever. This added complication is why I question the wisdom of the RA approach. Simple, even if it doesn't solve everything, is usually better. Nick
- Fwd: New Version Notification for draft-hinden-ip… Bob Hinden
- Re: New Version Notification for draft-hinden-ipv… JORDI PALET MARTINEZ
- Re: Fwd: New Version Notification for draft-hinde… Fernando Gont
- Re: Fwd: New Version Notification for draft-hinde… Brian E Carpenter
- Re: New Version Notification for draft-hinden-ipv… Bob Hinden
- Re: New Version Notification for draft-hinden-ipv… David Farmer
- Re: New Version Notification for draft-hinden-ipv… Simon Perreault
- Re: Fwd: New Version Notification for draft-hinde… Nick Hilliard
- Re: New Version Notification for draft-hinden-ipv… JORDI PALET MARTINEZ
- Re: Fwd: New Version Notification for draft-hinde… Michael Richardson
- Re: New Version Notification for draft-hinden-ipv… james woodyatt
- Re: New Version Notification for draft-hinden-ipv… Bob Hinden
- Re: New Version Notification for draft-hinden-ipv… james woodyatt
- Re: New Version Notification for draft-hinden-ipv… Bob Hinden
- Re: New Version Notification for draft-hinden-ipv… Lorenzo Colitti
- Re: New Version Notification for draft-hinden-ipv… Simon Hobson
- Re: New Version Notification for draft-hinden-ipv… Lorenzo Colitti
- Re: New Version Notification for draft-hinden-ipv… Erik Kline
- Re: New Version Notification for draft-hinden-ipv… Nick Hilliard
- Re: New Version Notification for draft-hinden-ipv… Tim Chown
- Re: New Version Notification for draft-hinden-ipv… Erik Kline
- Re: New Version Notification for draft-hinden-ipv… Jen Linkova
- Re: Fwd: New Version Notification for draft-hinde… Fernando Gont
- Re: New Version Notification for draft-hinden-ipv… Fernando Gont
- problem statement [was Re: New Version Notificati… Brian E Carpenter
- Re: problem statement [was Re: New Version Notifi… Christian Huitema
- Re: problem statement [was Re: New Version Notifi… Simon Hobson
- Re: problem statement [was Re: New Version Notifi… David Farmer
- Re: problem statement [was Re: New Version Notifi… JORDI PALET MARTINEZ
- Re: problem statement [was Re: New Version Notifi… Simon Hobson
- Re: problem statement [was Re: New Version Notifi… Lorenzo Colitti
- Re: problem statement [was Re: New Version Notifi… Nick Hilliard
- Re: New Version Notification for draft-hinden-ipv… Mikael Abrahamsson
- Re: problem statement [was Re: New Version Notifi… Brian E Carpenter
- Re: problem statement [was Re: New Version Notifi… Simon Hobson
- Re: problem statement [was Re: New Version Notifi… Brian E Carpenter
- Re: problem statement [was Re: New Version Notifi… Nick Hilliard
- Re: problem statement [was Re: New Version Notifi… David Farmer
- Re: problem statement [was Re: New Version Notifi… Michael Richardson
- Re: problem statement [was Re: New Version Notifi… Lorenzo Colitti
- Re: problem statement [was Re: New Version Notifi… Lorenzo Colitti
- Re: New Version Notification for draft-hinden-ipv… Lorenzo Colitti
- Re: problem statement [was Re: New Version Notifi… Jen Linkova
- Re: problem statement [was Re: New Version Notifi… Lorenzo Colitti
- Re: problem statement [was Re: New Version Notifi… Mikael Abrahamsson
- Re: problem statement [was Re: New Version Notifi… Alexandre Petrescu
- Re: problem statement [was Re: New Version Notifi… Alexandre Petrescu
- Re: problem statement [was Re: New Version Notifi… Alejandro Acosta
- Re: problem statement [was Re: New Version Notifi… Nick Hilliard
- Re: Fwd: New Version Notification for draft-hinde… Brian E Carpenter
- Re: Fwd: New Version Notification for draft-hinde… Brian E Carpenter
- Re: problem statement [was Re: New Version Notifi… Brian E Carpenter
- Re: problem statement [was Re: New Version Notifi… Mikael Abrahamsson
- Re: problem statement [was Re: New Version Notifi… Ole Troan
- Re: problem statement [was Re: New Version Notifi… Mikael Abrahamsson
- Re: problem statement [was Re: New Version Notifi… David Farmer
- Re: problem statement [was Re: New Version Notifi… Nick Hilliard
- Re: problem statement [was Re: New Version Notifi… Mikael Abrahamsson
- Re: problem statement [was Re: New Version Notifi… Lorenzo Colitti
- Re: problem statement [was Re: New Version Notifi… Michael Richardson
- Re: problem statement [was Re: New Version Notifi… Alexandre Petrescu
- RE: problem statement [was Re: New Version Notifi… Manfredi, Albert E
- Re: problem statement [was Re: New Version Notifi… Nick Hilliard
- Re: problem statement [was Re: New Version Notifi… Erik Kline
- Re: problem statement [was Re: New Version Notifi… Brian E Carpenter
- Re: problem statement [was Re: New Version Notifi… Nick Hilliard
- Re: problem statement [was Re: New Version Notifi… Fred Baker
- Re: problem statement [was Re: New Version Notifi… David Farmer
- Re: problem statement [was Re: New Version Notifi… Brian E Carpenter
- Re: problem statement [was Re: New Version Notifi… David Farmer
- Re: problem statement [was Re: New Version Notifi… Lorenzo Colitti
- Re: New Version Notification for draft-hinden-ipv… james woodyatt
- Re: New Version Notification for draft-hinden-ipv… james woodyatt