The North American IPv6 Task Force believes that cost is too high. If a customer puts in a new MPLS network and runs IPv6 over it, is that network an IPv6 cost or the cost of technology evolution? We cannot for the life of us figure out how a technology trend is going to cost $1 billion a year. That just doesn't make sense.

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No one should put IPv6 on a network without testing. No one should put IPv6 on a network without additional security. But all U.S. industry -- whether you're Wal-Mart or General Motors -- should be moving to IPv6.

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The North American IPv6 Task Force does not agree that IPv6 is not warranted as a significant investment for the U.S. government. It absolutely is required for the Defense Department and for the Department of Homeland Security. It's also required for any future hope of getting to next-generation networks and getting to benefits like mobility and widespread use of personal devices.

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