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Network World - VeriSign, the back-end operator of the Internet's.com and .net domains, says it has a head start on transition to the next-generation Internet Protocol known as IPv6 and that it intends to keep its lead over competitors.
"We're going to IPv6, and we're going to stay ahead of the curve," says Ken Silva, VeriSign's CTO. "We're going to be there before the carriers are there and even the manufacturers are there. Our software is ready to go. It's up, and it's running, and it's in production mode."
VeriSign is running IPv6 on two .com servers and two .net servers as well as two root servers that support the Internet's Domain Name System, which matches IP addresses with corresponding domain names. All of these servers are operating in dual-stack mode, which means IPv6 is running natively side-by-side with IPv4, the current version of the Internet Protocol.
"Our registration and our resolution systems have been IPv6 enabled for the last eight years or so. That means we've been able to accept a Quad-A record or an IPv6 address in the DNS for some time," Silva says.
VeriSign says it has complete feature parity between its IPv6 and IPv4 DNS services. "For DNS, it's not a lot of features," Silva admits. "It's just ask for a name and get a name."
VeriSign says the amount of IPv6 traffic it sees is miniscule: the company handles 1 million DNS queries per second using IPv4 and about 900 per second using IPv6.
"There's not a lot there," Silva admits, but he adds that VeriSign will add more IPv6-enabled servers to its DNS services ahead of the IPv6 traffic growth that it expects to begin in 2011.
VeriSign plans to release several more IPv6-enabled services in 2011. The company's public facing Web site -- www.verisign.com -- will support IPv6 next year. VeriSign also will add IPv6 support to its managed DNS and distributed denial-of-service (DDOS) mitigation services in 2011.
"Everything we do, and every plan that we make, and every strategy we have involves IPv6," Silva says. "Every new service that we are creating today has to be IPv6 compliant. Every software program we write has to be tested for IPv6."
VeriSign supports IPv6 on its internal corporate network but has found limits to what it can do with IPv6 because some routers, firewalls and load balancers don't support the emerging standard.
"Unfortunately, IPv6 is at the sort of nascent state where it's not quite there completely," Silva says. "We would like to see faster adoption, but in order for that to happen we have to see more carriers adopt it, more router and firewall and load balancer manufactures understand IPv6, and have more software applications that understand it."
VeriSign has been acquiring IPv6-enabled hardware as part of its tech-refresh process for many years, first through a $100 million upgrade called Project Titan that lasted from 2007 to 2010 and now through a similar ongoing upgrade dubbed Project Apollo.
Silva says VeriSign's IPv6 development effort involved more engineering time and effort than hardware or software investment. "We thought about IPv6 10 years ago, and so everything we could acquire at the time was IPv6 enabled as we built out our infrastructure," he adds.