Foreword Preface Acknowledgements Chapter 1: Introduction 1.1 Market Landscape 1.2 Technical Landscape 1.3 SDN: A Definition Chapter 2: Use Cases 2.1 Network Virtualization 2.2 Switching Fabrics 2.3 Traffic Engineering for WANs 2.4 Software-Defined WANs 2.5 Access Networks 2.6 Network Telemetry Chapter 3: Basic Architecture 3.1 Software Stack 3.2 Bare-Metal Switch 3.3 Switch OS 3.4 Network OS 3.5 Leaf-Spine Fabric Chapter 4: Bare-Metal Switches 4.1 Switch-Level Schematic 4.2 Forwarding Pipeline 4.3 Abstracting the Pipeline 4.4 P4 Programs 4.5 Fixed-Function Pipelines 4.6 Comparison Chapter 5: Switch OS 5.1 Thin Switch OS 5.2 P4Runtime 5.3 gNMI and gNOI 5.4 SONiC Chapter 6: Network OS 6.1 ONOS Architecture 6.2 Distributed Core 6.3 Northbound Interface 6.4 Southbound Interface 6.5 Scalable Performance Chapter 7: Leaf-Spine Fabric 7.1 Feature Set 7.2 Segment Routing 7.3 Routes and Multicast 7.4 Customized Forwarding Chapter 8: Future of SDN 8.1 Verifiable Networks 8.2 SD-RAN Hands-on Programming Environment Exercises

Software-Defined Networks (SDN) are transforming the Internet by replacing bundled, proprietary hardware and control software. SDN is being embraced by cloud providers, telcos, and enterprises, as it enables a new era of innovation in networking. This book provides a comprehensive introduction to SDN from the perspective of those who are developing and leveraging the technology.
Book Features: Describes a complete SDN stack, illustrated with example open source software. Emphasizes underlying concepts, abstractions, and design rationale. Describes both fixed-function and programmable switching chips. Describes the P4-based toolchain for programming and controlling switches. Describes a range of SDN use cases: enterprises, datacenters, access networks. Includes hands-on programming exercises, downloadable from GitHub.

Bruce Davie is a computer scientist noted for his contributions to the field of networking. He is a former VP and CTO for the Asia Pacific region at VMware. He joined VMware during the acquisition of Software Defined Networking (SDN) startup Nicira. Prior to that, he was a Fellow at Cisco Systems, leading a team of architects responsible for Multiprotocol Label Switching (MPLS). Davie has over 30 years of networking industry experience and has co-authored 17 RFCs. He was recognized as an ACM Fellow in 2009 and chaired ACM SIGCOMM from 2009 to 2013. He was also a visiting lecturer at the Massachusetts Institute of Technology for five years. Davie is the author of multiple books and the holder of more than 40 U.S. Patents.