RE: IPv6 Home Use to stimulate deployment over IPv4-NAT

[Marc Blanchet <Marc.Blanchet@viagenie.qc.ca>]

-- vendredi, février 21, 2003 14:42:11 +0100 Erik Nordmark
<Erik.Nordmark@sun.com> wrote/a écrit:

>> If we have tunnel brokers we don 't need teredo right?  That's my take
>> now.  
> 
> Agreed in principle.
> 
> Two things though:
> Firstly, for the access router to ISP tunnel config
> something simpler (like a DHCPv4 option) might make sense - depends
> on what type of authentication the ISP wants to do specifically
> for the IPv6 tunnel. If it is sufficient for the ISP to check that
> the IPv4 source is one of its customers then the TSP authentication
> features and flexibility isn't needed.
> 
> Secondly, 
> I've been told that tunnel broker can work trough NAT but the RFC
> (RFC 3053) says:
> 3. Known limitations
> 
>    This mechanism may not work if the user is using private IPv4
>    addresses behind a NAT box.
> 
> Thus I think it would be useful to have a specification on how tunnel
> broker works across a NAT.

done:
draft-parent-blanchet-blanchet-ngtrans-tsp-teredo-00.txt

(forget the teredo in the filename, it is more appropriate to say: udp
encapsulation)

Marc.

> 
>   Erik
>