Subject: Re: IPv4 outage at next IETF in Chicago

From: Mark Andrews <[email-masked]>
Date: Wed, 25 Jan 2017 14:39:54 +1100

Mark Andrews writes:
> 
> In message <[email-masked]
> al
> > >, Michel Py writes:
> > > Christian Huitema wrote :
> > > The blog explains that Microsoft IT wants to move their network to IPv6
> > > only.
> >
> > And I'm sure there is another quite helpful blog that explains why
> > Microsoft IT wants to move to a Windows 10 only environment too.
> >
> > Michel.
> 
> But Microsoft aren't the only ones that are looking to deploy
> IPv6-only due to not having enough IPv4 addresses internally.  There
> is also Google, Facebook ...
> 
> The IETF has produced multiple solutions that provide IPv4 as a
> service with IPv6-only to the node.  All of them require IPv6 nodes
> and/or applications to be updated to be generally useful.
> 
> NAT64/DNS64 requires applications which deal with IPv4 literals to
> be updated.
> 
> Dual-Stack-Lite node mode requires a tunnel interface be configured
> the destination address of which is advertised in a DHCPv6 option.
> For those that don't like DHCPv6 we could add a RA option.

464XLAT with a in node CLAT.  You still have to deal with the DNS munging
and everything that is known to be broken with NAT64/DNS64.
 
> One just breaks more things.  I'll let you guess which.
> 
> Mark
> 
> -- 
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: [email-masked]
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: [email-masked]