March 2005
Intermediate to advanced
648 pages
16h 17m
English
This chapter covers the following topics:
• Pseudowire emulation overview
• Pseudowire emulation standardization
Chapter 1, “Understanding Layer 2 VPNs,” introduced Layer 2 virtual private network (VPN) concepts and the problems it is designed to solve. It also highlighted the technology and deployment differences between Layer 2 VPNs and Layer 3 VPNs.
Among the new packet-based Layer 2 VPN architectures, pseudowire emulation forms the foundation for transporting Layer 2 traffic across IP/Multiprotocol Label Switching (MPLS) networks. This chapter describes the general architecture for pseudowire emulation and networking solutions proposed in standardization organizations that sometimes ...
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