Segment Routing for Service Provider and Enterprise Networks

• Copyright 2025
• Dimensions: 7-3/8" x 9-1/8"
• Pages: 1168
• Edition: 1st

• Book
• ISBN-10: 0-13-823093-5
• ISBN-13: 978-0-13-823093-7

Unlock the Future of Networking with Segment Routing: Your Comprehensive Guide to SR-MPLS and SRv6 for Service Provider and Enterprise Networks

In the ever-evolving landscape of networking, this book is your essential resource for mastering the cutting-edge technology of Segment Routing (SR). Authored by industry experts, this book offers a deep dive into the world of SR, from foundational principles to advanced implementations.

This guide begins with a brief recap of MPLS, setting the stage for an in-depth exploration of SR-MPLS and SRv6. Each chapter is meticulously crafted to provide a holistic understanding of SR, featuring practical examples and detailed configurations for both IOS-XR and IOS-XE platforms. Network engineers, architects, and operators will find invaluable insights and step-by-step instructions to effectively implement and manage SR technologies and overlay services.

Beyond the technical details, the book delves into the business and organizationalimplications of adopting SR. Learn how SR can drive growth, improve customer experience, and streamline operations. With sections on SRv6 deployments in data centers and cloud environments, including lab support materials, youll be ready for the next wave of networking innovations.

Book features include:

• Practical insights drawn from real-world deployments, including diagrams, design guidelines, configuration examples, packet captures, and troubleshooting tips
• Logical progression from basic concepts to advanced implementations, suitable for both beginners and seasoned professionals
• Extensive configuration and verification examples for overlay services like L2VPN (EVPN) and L3VPN
• SRv6 open-source implementations for data centers and cloud environments
• Business-oriented chapters outlining the benefits of SR

Online Sample Chapter

Segment Routing for Service Provider and Enterprise Networks

Sample Pages

In addition to the full Table of Contents and Index, the sample pages .pdf includes excerpts from several different chapters in the book, highlighting key topics.

➔ Download the sample pages

Table of Contents

    Introduction xx

Part I Introduction

Chapter 1 MPLS in a Nutshell 1

    How MPLS Operates 4

    Challenges and Shortcomings of MPLS 19

    Beyond MPLS 28

    Summary 30

    References and Additional Reading 32

Chapter 2 What Is Segment Routing over MPLS (SR-MPLS)? 33

    Problem Description and Requirements 40

    Segment Routing over MPLS (SR-MPLS) 41

    Summary 99

    References and Additional Reading 100

Chapter 3 What Is Segment Routing over IPv6 (SRv6)? 103

    Introduction 103

    Segment Routing over IPv6 (SRv6) 103

    SR-Powered Network Evolution 205

    SR-MPLS or SRv6 212

    Summary 215

    References and Additional Reading 217

Part II Segment Routing

Chapter 4 Segment Routing in Detail 219

    Link-State IGPs 221

    Segment Routing Baseline 225

    Segment Routing Control Plane (IGP) 243

    Segment Routing Control Plane (BGP) 324

    Summary 350

    References and Additional Reading 352

Chapter 5 Migrating to Segment Routing 353

    Deployment Models 354

    Migration Strategies 355

    SR-MPLS Migration 358

    SRv6 Migration 387

    Migration Paths from MPLS to SRv6 427

    Summary 435

    References and Additional Reading 437

Part III Service Design

Chapter 6 L2VPN Service Deployment: Configuration and Verification Techniques 439

    L2VPN (EVPN) 440

    Summary 602

    References and Additional Reading 602

Chapter 7 L3VPN Service Deployment: Configuration and Verification Techniques 605

    L3VPN 606

    Route Target Constraint 767

    Summary 780

    References and Additional Reading 781

Chapter 8 Service Assurance 783

    Transport 784

    Services 806

    Summary 855

    References and Additional Reading 855

Chapter 9 High Availability and Fast Convergence 857

    BFD Failure Detection Mechanism 858

    Topology-Independent Loop-Free Alternate (TI-LFA) 878

    Microloop Avoidance 935

    BGP PIC Edge 943

    Summary 995

    References and Additional Reading 995

Part IV Business and Operational Considerations

Chapter 10 Business Opportunities 997

    Technological Opportunities and Benefits 999

    CapEx Savings 1026

    OpEx Savings 1030

    Business Case Guidance 1032

    Summary 1039

    References and Additional Reading 1040

Chapter 11 Organizational Considerations 1043

    Scenario 1: Replacing or Enhancing a Legacy Network with SR 1046

    Scenario 2: Consolidating Networks and Services 1056

    Summary 1106

    References and Additional Reading 1107

Appendix A Reference Diagrams and Information 1109

Online Element:

Chapter 12 SRv6 Ecosystem Deployment Use Cases 1

    SRv6 Open-Source Implementations 2

    SRv6 Open-Source Lab Deployment Examples 17

    Summary 82

    References and Additional Reading 83

TOC, 11/19/2024, 9780138230937

Submit Errata