Microsoft DirectAccess technology provides seamless corporate network connectivity to the clients. Available in Windows 7 Enterprise (client) and Microsoft Server 2008 R2 (server). Implementation mostly relies of mandatory IPsec implementation in IPv6 protocol. For further reading see the list of relevant resources below.
DirectAccess on windowsecurity.com:
- Part 1: Overview of Current Remote Access Solutions (July 2009; Part 2 was never published)
- Death of VPN
Technology Overview by Tom Basham: