[SIPForum-techwg] SIPconnect 1.1 baseline - IPv6

[Elwell, John]

> -----Original Message-----
> From: techwg-bounces at sipforum.org 
> [mailto:techwg-bounces at sipforum.org] On Behalf Of Henning Schulzrinne
> Sent: 14 August 2008 14:43
> To: Spencer Dawkins
> Cc: techwg at sipforum.org
> Subject: Re: [SIPForum-techwg] SIPconnect 1.1 baseline - IPv6
> 
> It might help the discussion if we distinguished between MUST  
> implement and MUST use, just as we do for security 
> mechanisms, such as  
> TLS, or transport protocols, such as TCP, for SIP. Given that all  
> mainstream server operating systems likely to be used for servers  
> support IPv6, I see no problem with mandating IPv6 implementation.  
> This really is not hard - we've done this in our server years 
> ago, so  
> I have some experience. Obviously, nobody is forced to run 
> IPv6 or, as  
> a service provider, offer IPv6 services. We're the not doing the  
> industry a favor by pretending that we can just ignore the coming  
> address crunch. The alternatives, such as yet more layers of NATing,  
> are far worse than a few lines of socket code.
> 
> Providing for both IPv6 and IPv4 does not prevent somebody, 
> e.g., in a  
> closed environment (say, IMS or the military) from running only IPv6  
> if they so choose.
[JRE] But we aren't talking about a closed environment here, are we? We
are talking about between two environments - enterprise and service
provider.

John