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Network management software vendors readying IPv6

Network equipment manufacturers and software vendors have been selling IPv6-ready products for years. With broad adoption still some way off, network management software vendors haven't been as quick to follow. Now is the time for network managers to ask their preferred vendors what their plans are in this area.

It may be time to ask your network monitoring and management software vendors about their plans for IPv6 visibility.

IPv6 visibility is "moderately critical," said Phil Hochmuth, senior analyst for Yankee Group. "It's something that's on everyone's checklist. In any government organization, it's going to be a bit higher priority because of the federal mandates they have around IPv6, but it's something … everyone is going to have to have in the future and everyone will have support for it eventually, whether they are network equipment makers or network management software makers. It's better to do it sooner rather than later."

Broad adoption of IPv6, the new version of Internet Protocol, is still a few years away, but experts have been urging enterprises to pave the way for a smooth migration now by having IPv6-ready infrastructure in place or by ensuring that the networking team has sufficient skills for rolling out and managing an IPv6 network. Network managers who can see IPv6 adoption on the horizon may want to ask their preferred network management and monitoring vendors what their plans are for IPv6.

"If a tool isn't designed to monitor IPv6 traffic, it won't see it," said Steve Schuchart, principal analyst with Current Analysis. "What you're basically asking is: 'Will my electric meter check the flow of my water?' It won't."

This week, Lancope, a network behavioral analysis vendor, updated its StealthWatch product to track IPv6 traffic. StealthWatch tracks Netflow and other flow data to establish baselines of network behavior and then alerts administrators about anomalous behavior or takes action on that behavior based on established network policies.

"I don't think it's going to really help any enterprises put out any fires … or relieve any major IPv6 pain points right now for U.S. enterprises," Hochmuth said. "But it definitely shows Lancope has a pretty good long view of what's going to be needed down the road."

Schuchart said the tool will appeal immediately to government organizations and research institutions that are deploying IPv6 today, along with some forward-thinking universities. Most U.S. businesses will probably shrug off the announcement.

Although the initial demand for IPv6 capability isn't especially high, Lancope CTO Adam Powers said there is some need for it.

"It's surprising how many customers have IPv6 traffic running around that they might not be aware of," Powers said.

Microsoft's Vista operating system is a source of a lot of unanticipated IPv6 network traffic. Vista operates with a dual stack, running in both IPv6 and IPv4 simultaneously. While plenty of hardware and software have this capability, Vista is one of the first operating systems to have IPv6 enabled by default.

"You could have a lot of IPv6 traffic running around on your network as a result of Vista, or you could have resources in the Pacific Rim where IPv6 is more popular," Powers said. "Or you might be a federal customer under mandate from higher up [to adopt Vista]."

A lack of IPv6 visibility can also muck up a company's compliance efforts, he said. PCI DSS, the credit card industry's data security standard, holds as a core requirement that companies have visibility and control over network traffic flows, something that unseen IPv6 traffic could undermine.

Schuchart said he doubted that Vista deployments are really posing an IPv6 problem for most enterprises. "If I'm going to do a Vista deployment on an enterprise scale, I'm going to turn off IPv6 in Vista," he said. "Because these kinds of implementations are generally pushed out by a single imaging software, you turn it off once, and you turn it off for everyone. I suppose it's possible there is some Vista IPv6 out there, but there's no route for it to take to the outside. You might have IPv6 traffic on a local segment, but there's nothing for it to talk to."

More on IPv6 readiness

Disabling IPv6 in Windows Vista -- Pros and cons

Get IPv6 skills now rather than later

IPv6 migration crash course

IPv6 readiness is key, as IPv4 peters out

IPv6 from 'CCNA Portable Command Guide,' Chapter 25

IPv6 Essentials by Silvia Hagen

Silvia Hagen answers your IPv6 questions

Many network equipment manufacturers are providing some basic tools now that give enterprises visibility into IPv6 networks, Schuchart said, but those tools are similar to the basic tools the vendors provide for IPv4 networks.

"This is why third-party monitoring and management tools exist," Schuchart said. "They provide greater reporting, greater monitoring and some specific features that companies are looking for. And they need that for IPv6, too. By getting into that early, when companies do go to IPv6, they'll be able to look at Lancope and say, 'Hey, these guys are old hands. We're good.' "

Kevin Conklin, vice president of marketing for Mazu Networks, a competitor to Lancope, said IPv6 capabilities are in his company's product roadmap for late next year.

"From our standpoint, in the enterprise market in the United States we have not seen any requirement for it," Conklin said. "From the government market we are being asked to put a stake in the ground for future direction. It's in our product calendar for late 2009."

Conklin said Mazu definitely needs to have IPv6 capabilities in the future, but broad adoption is still several years away. Bringing IPv6 to Mazu's products today would take up engineering resources that would be better used delivering other types of functionality to customers today, he said.

Let us know what you think about the story; email: Shamus McGillicuddy, News Editor

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