North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: BBC does IPv6 ;) (Was: large multi-site enterprises and PI
* Owen DeLong <[email protected]> [2004-11-28 19:51]: > >there are a lot of organizations now having PI without having an ASN > >and beeing multihomed. a transition to v6 with this policy would make > >things much worse for them, so why should they? > They shouldn't unless they need features that are available in v6 that > are not available in v4. Where's the harm in this? The v6 stack provides > for encapsulating v4 addresses in v6 easily enough and the v6 specs already > make allowance for this. I don't see any reason we need to get such a site > over to v6. ehm the v4-in-v6 mapping is a gigantic security issue. this is nothing but establishing tunnels automagically and extremely dangerous. v4-in-v6 is not supported on purpose or at least disabled by default on many OSes, and that is a good thing. so you say they should just keep v4 - that does not really help in getting v6 deployed. > >on the other hand, 1 ASN -> 1 v6 prefix does not necessarily mean 1 v6 > >prefix -> 1 ASN. might work out > While I think a policy of "If you qualify for an ASN, you qualify for a > prefix" makes sense, I do not think that the reverse makes any sense > whatsoever. ack. > >>The convenience factor _is_ already outlawed. > >true for new allocations, but there is a gigantic installed base, and > >making their situation worse isn't exactly helping in getting v6 > >deployed. > As near as I can tell, there's very little reason for such a site to ever > adopt v6 and very little reason for the world to care that they didn't. i think there's many many many more of those sites than you think. and we really don't want to run in two parallel universes for longer than it has to be... > As such, I'm not sure I understand why this is a significant issue. Is > there some reason it's important for these sites to go to v6 instead of > using 4-to-6 address encapsulation at their border? 4-to-6 is a horrible mess. -- Henning Brauer, BS Web Services, http://bsws.de [email protected] - [email protected] Unix is very simple, but it takes a genius to understand the simplicity. (Dennis Ritchie)
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