We have passed the point of no return as far as real products are
concerned. A patch will not work on the OS's. Nor is it justified.
/jim
"Shout it out G.L.O.R.I.A." (Them [Van Morrison])
On Tue, 26 Jun 2001, Pekka Savola wrote:
> On Tue, 26 Jun 2001, Erik Nordmark wrote:
>
> > > >Deprecate IPV6_V6ONLY, add IPV6_ACCEPTV4MAPPED option
> > > >
> > > > Then the IPv6 sockets would have to be explicitly allowed to accept
> > > > IPv4 connections. So the programs that use the IPv6 centric way have
> > > > to be modified a bit, but the buggy implementations and the unworkable
> > > > one could be corrected without losing features. Just making
> > > > IPV6_V6ONLY default to on would have the same results.
> > >
> > > I really love to see this happen (polarity change is enough).
> > > also, if IPv4 mapped address support becomes optional (explicitly)
> > > to OS implementers it would be much better.
> >
> > In hindsight I agree that the default should have been different - forcing
> > applications to explicitly request use of IPv4-mapped addresses on AF_INET6
> > sockets.
> > But I suspect that folks have different opinions on the cost of changing
> > the default at this point in time :-(
>
> What do you suspect the cost would be in 2-3 years?
>
> I don't think the _current_ amount of IPv6 applications is that huge.
> Almost all of these are simple tools by OS vendors, or open source. I
> don't think the change would be too big _now_, especially if the change
> was detected by people who don't necessarily read RFC's (e.g. compilation
> fail => forced to look at issue and spend an hour thinking about it).
>
> IMO, we haven't passed the point of no return yet. In 2-3 years we have.
> And hindsight then won't be fun.
>
> --
> Pekka Savola "Tell me of difficulties surmounted,
> Netcore Oy not those you stumble over and fall"
> Systems. Networks. Security. -- Robert Jordan: A Crown of Swords
>
>
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