Comcast expands IPv6 trial

By , Network World |  Networking, Comcast, IPv6

Comcast has expanded its IPv6 trial, adding hundreds of cable modem subscribers in the San Francisco, Philadelphia, Chicago and Miami areas to participants in Littleton, Colo., that have been operational all year with this next-generation Internet service.

Comcast's IPv6 trial expansion, to be announced in a blog post on Monday, is timed so that these subscribers can participate in World IPv6 Day, a 24-hour trial of IPv6 being conducted by popular websites such as Google, Facebook and Yahoo starting at 8 p.m. EST on Tuesday.

BACKGROUND: Large-scale IPv6 trial set for June 8

Comcast was the first cable operator in the United States to begin trials of IPv6, an upgrade to the Internet's main communications protocol, which is known as IPv4. IPv6 features an expanded addressing scheme that can support billions of devices connected directly to the Internet at faster speeds and lower cost than IPv4, which is running out of address space.

"We've put a lot of effort into expanding our IPv6 trial into other parts of the country," said John Brzozowski, distinguished engineer and chief architect for IPv6 at Comcast. "We've added more trial subscribers in dual-stack [running both IPv4 and IPv6] configurations. ...We have several hundred subscribers in the trial."

Comcast is offering a high-speed data service that allows its customers to access Internet content via either IPv4 or IPv6 because they have both types of addresses on their home gateways. Comcast hooked up its first cable modem customers to this service in January.

DETAILS: Comcast claims another IPv6 first

Comcast is participating in World IPv6 Day, having enabled IPv6 on several of its websites that are aimed at network managers, including http://networkmanagement.comcast.net and http://mydeviceinfo.comcast.net.


Originally published on Network World |  Click here to read the original story.
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