Re: Re: IPv6 only devices in home network

"Zhang haofeng" <[email protected]> Sun, 13 Oct 2002 22:02:25 +0800
Newsgroups gmane.ietf.ngtrans
Message-ID <002701c272c1$3ab01cb0$840cccca@6TNET>
So I think it is old issue which has been discussed here for such a long time. It's a fact that NATs exist almost everywhere in the current ISP network. Maybe Teredo is a better solution?
After all, we need a convenient and not costly way to cope with NAT problems during the transition period. 


----- Original Message ----- 
From: "Caitlin Bestler" <[email protected]>
To: <[email protected]>
Sent: Friday, October 11, 2002 11:06 PM
Subject: (ngtrans) Re: IPv6 only devices in home network


> Keith Moore wrote:
> 
> > No. NAT (including NAT-PT) breaks applications. a big
> > reason to use IPv6 is to avoid having your applications
> > broken by NAT.
> 
> I suspect this is not a real problem. By the time ISPs
> are assigning their clients IPv6 addresses rather than
> public IPv4 addresses virtually all public servers will
> be ready to accept IPv6 connections.
> 
> More precisely, I find it hard to imagine an ISP depriving
> customers who do not know what an IP address is at all
> of default connectivity before the common servers are
> supporting IPv6.
> 
> To whatever extent the ISPs lead the servers, however,
> you are ultimately going to have to rely on NAT. If the
> ISP had enough public IPv4 addresses to give out they
> would never have converted to IPv6 in the first place.
> 
> While neither is desirable, it is far more realistic to
> have application developers work in NAT compatible ways
> than to get all NAT boxes removed.
> 
> Do you really think there is a large body of code that
> is IPv6 ready that is *not* NAT tolerant?
>