
x
Table of Contents
Foreword
xvii
Introduction
xx
Part I MPLS VPN and Security Fundamentals 3
Chapter 1
MPLS VPN Security: An Overview 5
Key Security Concepts 5
Security Differs from Other Technologies 5
What Is “Secure”? 7
No System Is 100 Percent Secure 8
Three Components of System Security 8
Principle of the Weakest Link 10
Principle of the Least Privilege 11
Other Important Security Concepts 11
Overview of VPN Technologies 12
Fundamentals of MPLS VPNs 15
Nomenclature of MPLS VPNs 15
Three Planes of an MPLS VPN Network 16
How the Control Plane Works 16
How the Data Plane Works 18
How the Management Plane Works 19
Security Implications of Connectionless ...