March 2005
Intermediate to advanced
648 pages
16h 17m
English
This chapter covers the following topics:
• Introducing HDLC encapsulation
• Introducing PPP encapsulation
Before proceeding with a detailed examination of Layer 2 Tunneling Protocol Version 3 (L2TPv3) and Any Transport over MPLS (AToM), it is critical to understand the protocols that these tunneling mechanisms transport. The four WAN data link layer protocols covered include High-Level Data Link Control (HDLC), PPP, Frame Relay, and ATM.
This chapter introduces specific components of these Layer 2 protocols that are relevant to the L2TPv3 and AToM pseudowire protocols explored later in this book. For each of these protocols, the chapter examines the encapsulation ...
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