Luc De Ghein, CCIE No. 1897, is a Customer Support Engineer in the escalation team for Cisco Systems in EMEA. Luc has been in the networking industry since 1994 and has been with Cisco since 1996. His responsibilities include the mediation of challenging networking problems, as well as providing education for routing technologies, MPLS, and network design. Since 2000, Luc has specialized in the area of MPLS technologies. Before moving to his current position, Luc was a TAC engineer specializing in routing. Luc lives in Belgium.
Introduction
Part I: Fundamentals of MPLS
Chapter 1 The Evolution of MPLS
Definition of MPLS
Pre-MPLS Protocols
Benefits of MPLS
Bogus Benefit
The Use of One Unified Network Infrastructure
Better IP over ATM Integration
BGP-Free Core
Peer-to-Peer VPN Model Versus Overlay VPN Model0
Overlay VPN Model0
Peer-to-Peer VPN Model
Optimal Traffic Flow
Traffic Engineering
History of MPLS in Cisco IOS
Tag Switching to MPLS
MPLS Applications
Summary
Chapter Review Questions
Chapter 2 MPLS Architecture
Introducing MPLS Labels
Label Stacking
Encoding of MPLS
MPLS and the OSI Reference Model
Label Switch Router
Label Switched Path
Forwarding Equivalence Class
Label Distribution
Piggyback the Labels on an Existing IP Routing Protocol