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Re: [v6ops] A common problem with SLAAC in "renumbering" scenarios

Erik Kline <ek@loon.co> Thu, 28 February 2019 04:47 UTC

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References: <6D78F4B2-A30D-4562-AC21-E4D3DE019D90@consulintel.es> <20190220113603.GK71606@Space.Net> <28fbc2c305c640c9afb3704050f6e8d7@boeing.com> <20190220213107.GS71606@Space.Net> <019c552eb1624d348641d6930829fd1f@boeing.com> <CAKD1Yr0HBG+rhyFWg9zh0t3mW486Mjx9umjn+CRqAZg4z9r0dg@mail.gmail.com> <20190221073530.GT71606@Space.Net> <CAO42Z2wmB2W52b4MZ2h9sW5E9cQKm-HRjyf--q8C26jezS7LXQ@mail.gmail.com> <a73818d31db7422b99a524bc431b00ed@boeing.com> <CAO42Z2z9-48Gbb_Exf+oWUqDO=axSLpZBtqeDcxkAoFq5OziGw@mail.gmail.com> <CALx6S3624hnGauG1HaSWPMvQw0t2Q5R3gb8W4R8w3kuK7dcrWQ@mail.gmail.com> <1F07F2BB-2F37-4D12-9731-7892DF4E3D88@consulintel.es> <0a582916-af14-bd82-a4cd-002a36f8830b@huitema.net> <67515a73-26a5-3ed0-da88-1a4ce64550d3@foobar.org> <360afa02-cf23-375c-4876-780d3c2aa5ac@gont.com.ar> <CAHL_VyD34V=TRcsCp0DOO9HJNHyy5xkiMQ_cZoBa7zTE4fe5OA@mail.gmail.com> <ead01e0a-9211-7944-88d6-ae8d037c03a8@si6networks.com> <FB8B77EE-CC16-4418-BB5E-D44EE66D6B72@jisc.ac.uk> <899A1249-D3D9-4824-8B2E-7E950FBB316A@jisc.ac.uk> <m1gya2p-0000HVC@stereo.hq.phicoh.net> <F0CD8E69-4ACD-4FB6-8797-B4D635CA229D@gmail.com> <CAO42Z2xZS5rOp13PaJ=K=89JPLgy9fUrHwEBaFdNzG+WzdADew@mail.gmail.com>
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Reply-To: ek@loon.co
From: Erik Kline <ek@loon.co>
Date: Wed, 27 Feb 2019 20:46:58 -0800
Message-ID: <CAAedzxqd5-ugAemCJ0gkDx+miOpmKCLp6m6vYw52v-PQrVr2Xg@mail.gmail.com>
Subject: Re: [v6ops] A common problem with SLAAC in "renumbering" scenarios
To: Mark Smith <markzzzsmith@gmail.com>
Cc: Fred Baker <fredbaker.ietf@gmail.com>, 6man WG <ipv6@ietf.org>
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On Wed, 27 Feb 2019 at 19:08, Mark Smith <markzzzsmith@gmail.com> wrote:
>
> On Thu, 28 Feb 2019 at 13:09, Fred Baker <fredbaker.ietf@gmail.com> wrote:
> >
> >
> >
> > > On Feb 26, 2019, at 2:33 AM, Philip Homburg <pch-ipv6-ietf-6@u-1.phicoh.com> wrote:
> > >
> > > A long time ago, the model was that you would get a prefix from your ISP
> > > and that was the only global prefix on the local network.
> >
> > Which might make sense if you have exactly one ISP....
> >
>
> Yes.
>
> Network redundancy and multi-homing has become so cheap to have that
> rather than it just being something our network might have, it is also
> something that our end-hosts might have too.Our smartphones are
> commonly multihomed when we have access to the Internet via both Wifi
> and mobile networks.

But smartphones managed it using an RFC 7556 PVD -aware/-capable
architecture.  I suspect that's probably the way to go for general
hosts now to solve these and other problems.

>
> > --------------------------------------------------------------------------------
> > Victorious warriors win first and then go to war,
> > Defeated warriors go to war first and then seek to win.
> >      Sun Tzu
> >
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