Hey Bill, No plans for Teredo at this time.
John On 8/30/10 5:57 PM, "Bill Fehring" <li...@billfehring.com> wrote: > On Sat, Aug 28, 2010 at 10:49, John Jason Brzozowski > <john_brzozow...@cable.comcast.com> wrote: > >> >> As we started our IPv6 trials, we began to observe an increase in 6to4 relay >> traffic. 6to4 is a transition mechanism built into some operating systems >> and home gateways. While it is not a transition technology that Comcast >> planned to invest in due to limitations related to performance, we did >> observe poor performance when 6to4 was used by our customers. In many cases, >> these customers were not even aware that 6to4 was enabled by default or that >> their device or operating system was attempting to use 6to4 to communicate >> with IPv6 resources on the Internet. >> >> In most cases, we observed that 6to4-enabled operating systems and devices >> were attempting to use a 6to4 relay infrastructure hosted by a midwestern >> university. In order to improve the Internet experience for Comcast >> customers who are using 6to4, whether knowingly or not, we have decided to >> operate 6to4 relays on a temporary, trial basis. >> >> Comcast has decided to deploy 6to4 relays in five locations around our >> network to improve performance and predictability, as compared to operating >> relays from a single location. These 6to4 relays are available via the >> standard 6to4 Anycast IP address, according to RFC 3068, which is >> 192.88.99.1. Devices attempting to use 6to4 within our network should >> automatically discover and utilize these new 6to4 relays, without end user >> intervention or configuration. >> >> The first pair of these relays was activated today. We plan to activate the >> remaining three within the next seven to ten days. We plan to monitor the >> performance of the 6to4 relays, to measure any beneficial effects resulting >> from adding these elements to our network. As our IPv6 trials evolve and we >> develop our plans for 2011 and beyond, we will assess our plans to support >> 6to4 moving forward. >> > > > Hi John, > > First of all, that's great news -- I think it will help a lot. > > Have you also considered deploying Teredo relays? I'm guessing that > there are quite a few Windows Vista+ systems that could benefit from > having a few closer Teredo relays and it's probably a similar amount > of traffic that you're seeing compared to 6to4 tunnels. > > Best, > > Bill Fehring ========================================= John Jason Brzozowski Comcast Cable e) mailto:john_brzozow...@cable.comcast.com o) 609-377-6594 m) 484-962-0060 w) http://www.comcast6.net =========================================
