Sure. If no services are advertised over IPv4, then we needn't offer IPv4 on the network at all. But if we do offer IPv4 on the network, it should be stable, and not vanish at the whim of the ISP.
On Wed, Jul 18, 2018 at 9:52 PM, Brian E Carpenter < brian.e.carpen...@gmail.com> wrote: > Ted, > On 19/07/2018 13:36, Ted Lemon wrote: > > In order for IPv6 to be useful, you need naming to work. We had this > > discussion when I brought this up last year. It should be possible for an > > IPv6-only homenet to work. But if we want homenet to be widely adopted, I > > do not think this is the correct default behavior: > > What "this" do you mean? Switching to ULAs to maintain local > connectivity? What's the surprise? There's no reason there > wouldn't be corresponding AAAA records, is there? > > > it violates the > > principle of least surprise. Further, unless you prevent services from > > advertising IPv4 addresses, > > We have a plan for that: draft-ietf-6man-ipv6only-flag-01 > > Brian > > > dropping the IPv4 uplink definitely will cause > > connections to hang. > > > > On Wed, Jul 18, 2018 at 8:43 PM Juliusz Chroboczek <j...@irif.fr> wrote: > > > >> During his talk, Ted claimed that he lost all connectivity when his > uplink > >> went down. This should not happen -- HNCP normally maintains an IPv6 > ULA > >> that remains stable no matter what happens to DHCPv6 prefix delegations > or > >> DHCPv4 leases. This is described in Section 6.5 of RFC 7788, and it is > >> the default behaviour of hnetd. > >> > >> Either Ted had tweaked the configuration of hnetd (which one should not > >> do -- hnetd does the right thing out of the box), or he was using > software > >> that doesn't speak IPv6 or ignores ULAs. At any rate, HNCP does not > have > >> the issue that Ted described. > >> > >> -- Juliusz > >> > >> _______________________________________________ > >> homenet mailing list > >> homenet@ietf.org > >> https://www.ietf.org/mailman/listinfo/homenet > >> > > > > > > > > _______________________________________________ > > homenet mailing list > > homenet@ietf.org > > https://www.ietf.org/mailman/listinfo/homenet > > >
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