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Microsoft Forefront UAG 2010 Administrator's Handbook by Ran Dolev, Erez Ben-Ari

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ISATAP, DNS64, and NAT64

As we said before, many organizations are still using only IPv4 on their networks. It's somewhat ironic—the organizations that have moved to IPv6 are actually making it easier for others to stick to the old technology, in a weird twist on Game Theory. Anyway, one of the primary benefits of using DA with UAG is the fact that it includes several components that make using DA in a non-native IPv6 environment (meaning, a network that has little or no IPv6 hosts or devices) possible. The first of these is Intra-Site Automatic Tunnel Addressing Protocol (ISATAP). ISATAP is a mechanism that allows IPv6 capable hosts to communicate with each other over a network that is based on IPv4. This is a similar concept to the connection ...

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