We were very pleased to see news yesterday on Comcast’s corporate blog about the launch of IPv6 services for businesses. Comcast’s John Jason Brzowski wrote there that: Business Ethernet customers have had full IPv6 service and support in place for them since the beginning of 2013. IPv6 trials are about to get underway for our Business Internet customers Read more…

How do you know when a domain is failing DNSSEC validation? What if there was a way to let the broader industry know about these validation failures?  The folks over at Comcast’s DNS team have been trying an experiment for a while in posting these DNSSEC validation failures publicly to Twitter at: https://twitter.com/comcastdns If you Read more…

What are “negative trust anchors” for DNSSEC? What function do they perform? Why do we need them? In this video, Dan York interviews Jason Livingood about his Internet-Draft on this topic and answers these and other questions: The Internet-Draft can be found at: http://tools.ietf.org/html/draft-livingood-negative-trust-anchors Jason and his co-author are seeking comment and would appreciate feedback Read more…

This is huge! In a pair of blog posts today Comcast formally launched its IPv6 “Home Networking Pilot”: IPv6 Home Networking Pilot Market Launch Begins, by Jason Livingood IPv6 Home Networking Pilot Market Deployment Technical Details, by John Jason Brzozowski As I explained in an earlier post about this impending launch, support for home networks Read more…

Great news out of Comcast this week related to IPv6 – they have now made two of their major content portals available over IPv6!  From their comcast6.net page on April 10, 2012: The newest part today moves two of our major portal sites to IPv6, including Xfinity andXfinityTV. This critical move was made possible via close cooperation Read more…

Did you see all the tweets and mentions on the web last week about Comcast apparently blocking NASA’s website on their network? While it made for great headlines, the truth was that there was an error with the DNSSEC signing of the NASA.gov domain and now that Comcast has deployed DNSSEC-validating DNS servers those DNS Read more…

In a rather huge step for DNSSEC deployment, Comcast, the largest Internet Service Provider (ISP) in the United States, announced that they have completed the deployment of DNSSEC and have given their 17.8 million customers access to DNSSEC-validating DNS servers. Their post states in part: As of today, over 17.8M residential customers of our Xfinity Read more…