Dear Mr Py, Sorry, could you run that past me one more time ..............?
J On Tue, 14 Oct 2003, Michel Py wrote: > Mark, > > > Mark Smith wrote: > > a) Is IPv4 going to be formally deprecated when IPv6 is good > > enough? If so, are the related IPv4 NAT RFCs also going to be > > deprecated at that time ? > > IMHO it's not a matter of being good enough, it's a matter of how many > IPv4 hosts are still up. The IETF deprecating IPv4 would not achieve a > lot; there still are people that use an Apple II and even some that are > writing software and design hardware for it. There will be millions of > diehard IPv4 users for a long while. It's a matter when vendors become > to remove IPv4 from stacks, stop supporting IPv4, and when operators > begin to provide IPv6-only service. In my wildest dreams, 10 years at > least; possibly 20 depending on how good the projections in terms of > IPv4 exhaustion are. > > > > b) Is IPv6 good enough yet? > > Not for most. As long as there is no killer app and as long as IPv4 > addresses are available, the investments to move to IPv6 are often not > worth what it brings. > > One of the troubles is that v6 does not even do what v4 does: No private > addresses. No PI addresses. No multihoming. > > The other trouble is that there is no way to do without IPv4 as of > today. In the enterprise, if someone that implements IPv6 today could > plan on IPv4 removal within two or three years, that would be > considered, but operating dual-stack for 10 or 20 years when IPv4 > provides all necessary functions is a waste of money. Keep in mind: > peer-to-peer applications from each desktop to every possible host on > the Internet is not the highest priority of enterprises; it actually is > heavily filtered and firewalled both ingress and egress. As far as the > consumer goes, most on-line gaming and p2p now works across NAT and so > does SIP I hear (with STUN). The only way the consumer is going to > accept IPv6 is when it does not know it's there, which we are not > anywhere close to. > > Michel. > > > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > [EMAIL PROTECTED] > Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- > -------------------------------------------------------------------- IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
