IPv6 on home routers: FAIL

By Julie Bort, Network World |  Networking, IPv6

When it comes to IPv6 support, consumer home networking gear lags far behind other devices, like enterprise equipment and PC operating systems. Most devices certified as IPv6-compliant by the IPv6 Forum are full of implementation bugs, experts say.

LAGGING: Cisco routers still don't support IPv6

[ See also: IPv6 basics: Getting started with IPv6 ]

Consumer electronics vendors have procrastinated in providing IPv6 support for a long time, says Frank Bulk, who has been testing devices for his job as technology and product development manager for Premier Communications, an ISP serving northwestern Iowa. "Some vendors point out that the 'IPv6 CE router requirements' IETF draft is only now working through the final stages of the standards process and that the Broadband Forum documents were completed only a few months ago. But I've been working with the D-Link product manager for the last five months. If one vendor can do an adequate job of IPv6, why can't its competitors?"

If there is a bright side, home equipment vendors are aware they are an adoption bottleneck and are working to fix the problems, some more feverishly than others. The University of New Hampshire InterOperability Lab held an IPv6 consumer electronics Plugfest on Feb. 14, and CableLabs has stepped up to organize two more this year in April and September in Denver. While the UNH-IOL and CableLabs are typically tight-lipped about Plugfest results, a white paper will be published to those on the V6ops IETF mail server.

But equipment makers don't have an endless supply of time to get it right. IPv4 depletion for U.S. companies is fully expected to occur in 2011. ARIN says it has around 80 million IPv4 addresses left and expects to run out of these addresses within nine months. We will soon see a day when new computers, servers, mobile devices and the so-called Internet of Things can only get an IPv6 address. Carrier-grade NAT (CGN, also known as large-scale NAT) will suffice as a stopgap measure, but it comes with its own set of problems.


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