Internet Protocol version 6 is a new industry networking protocol that supports a much larger address space.You now have a choice between IPV4 and IPv6, including IPv6 versions of network components such as Internet Explorer 5.5 and Windows Media, to name just a few. Windows CE .NET also includes a number of technologies that enable interoperability and testing of dual stack networks to support the transition period from IPv4 to IPv6. For more information, please visit http://www.microsoft.com/ipv6.