Windows Server® 2012 Unleashed
by Rand Morimoto, Michael Noel, Guy Yardeni, Omar Droubi, Andrew Abbate, Chris Amaris
PPTP and L2TP Protocols
Both PPTP and L2TP are based on the well-defined Point-to-Point Protocol (PPP) and are consequently accepted and widely used in VPN implementations. L2TP is the preferred protocol for use with VPNs in Windows Server 2012 because it incorporates the best of PPTP, with a technology known as Layer 2 Forwarding. L2TP allows for the encapsulation of data over multiple network protocols, including IP, and can be used to tunnel over the Internet. The payload, or data to be transmitted, of each L2TP frame can be compressed, as well as encrypted, to save network bandwidth.
Both PPTP and L2TP build on a suite of useful functionality that was introduced in PPP, such as user authentication, data compression and encryption, and token ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access