The federal government's mandated move to IPv6 over the next few years is expected to also spur demand for the upgraded protocol in portions of the private sector.

However, many enterprise network executives, with no equivalent of a government mandate to force adoption, will still need a good reason to make the switch, experts say.

The Office of Management and Budget (OMB) plans to set policy soon that will compel all federal agencies to upgrade their network backbones to IPv6 by 2008, with the expectation that upgrading applications and other components will follow. The OMB is charged with supervising the effectiveness of programs, policies and procedures set by agencies in the executive branch, among other things.

The Department of Defense required its own upgrade to IPv6 by 2008 and is working with the protocol. But other federal agencies have little experience with or interest in IPv6, even though the protocol is 10 years old and touted by some as the basis for the next-generation Internet.

Nonetheless, with agencies forced to upgrade, government contractors, hardware and software vendors, and service providers will need to make sure their offerings are updated, too. And that could spur adoption in the commercial world.

"If the government deployed IPv6 on a worldwide basis, I believe that would create a great catalyst and wonderful assistance to the promotion and deployment of IPv6 in the commercial sector," says Jim Bound, chair of the North American IPv6 Task Force, a volunteer group established to promote the adoption and deployment of IPv6. "I believe enterprises are in tune and aware of IPv6 today."

Yet others say if the federal agencies that will be forced to upgrade to IPv6 in less than three years aren't yet sold on the protocol's benefits, private-sector organizations that aren't under such pressure are even less convinced. A recent study of 349 government and industry IT decision makers sponsored by Juniper indicated 7% consider the protocol "very important" to achieving their IT goals.

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