Comcast Plans IPv6 Trials in 2010

[Dave Farber <dave () farber net>]

Begin forwarded message:

> From: Jason Livingood <jason_livingood () cable comcast com>
> Date: January 27, 2010 3:03:27 PM EST
> To: Dave Farber <dave () farber net>
> Subject: Comcast Plans IPv6 Trials in 2010

> Dave -> For IP if you wish...
>
> Comcast just announced that we plan to conduct production-network  
> trials of IPv6 technology this year. The trials will help us to  
> identify and solve any areas of difficulty involved in the  
> transition to IPv6, and to determine what approach will be the  
> easiest and most seamless for our customers.
>
> Customers can volunteer to participate in these IPv6 trials on our  
> new Comcast IPv6 Information Center website, at  http://www.comcast6.net 
> .  You can see a post on the Comcast blog about this at http://blog.comcast.com/2010/01/preparing-for-the-ipv6-transition.html 
> .  Should anyone happen to be using an IPv6 address now, you can  
> also access our Comcast.Net portal at http://ipv6.comcast.net.
>
> In order to put these trials in context, we envision the transition  
> to IPv6 within ISP networks to generally occur in three phases:
> * Phase 1: The ISP network does not support IPv6, only IPv4  
> addresses are issued, and in order to access IPv6 resources a user  
> must tunnel IPv6 traffic over IPv4.  In our network, this may be a  
> very short time or may be skipped altogether, but it is important to  
> explore cases where portions of the access network cannot transition  
> to native IPv6 support for whatever reason.
> * Phase 2: Native IPv4 and IPv6, also referred to as dual-stack,  
> supported in CPE and the ISP network, where both IPv4 and IPv6  
> addresses are issued.  This is an important phase to evaluate and it  
> will likely persist in ISP networks for an extended period of time,  
> until IPv4 addresses are severely constrained or are no longer  
> available.  While we hope to have a solution for each phase, this  
> one is the most important for us and our customers.
> * Phase 3: IPv6-only service, when only IPv6 addresses are issued by  
> the ISP network and new IPv4 addresses are no longer available. This  
> is probably some time off in the future, though when it occurs it is  
> likely that access to IPv4-only resources may involve tunneling IPv4  
> traffic over IPv6.
>
> We hope that our production network trials will encourage other  
> stakeholders to make plans to continue or to begin work on IPv6 in  
> 2010, so that all stakeholders do their part to ensure that the  
> future of the Internet is as bright and innovative as it has been in  
> the past. Along those lines, the Internet Society, of which we are a  
> big supporter, has a section of their website focused on this issue  
> that you may find informative, at http://www.isoc.org/pubpolpillar/issues/addressing.shtml 
> .
>
> Regards,
> Jason Livingood
> Internet Systems Engineering
> Comcast



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