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Cover
Table of Contents
Preface
Chapter 1: Introducing OpenFlow
Understanding Software Defined Networking – OpenFlow flavor
Activities around SDN/OpenFlow
Building Blocks
OpenFlow messages
Controller-to-switch
Features
Configuration
Modify-State
Read-State
Send-Packet
Barrier
Symmetric messages
Hello
Echo
Vendor
Asynchronous messages
Packet-in
Flow-Removal
Port-status
Error
Northbound interface
Summary
Chapter 2: Implementing the OpenFlow Switch
OpenFlow reference switch
Asynchronous messages
Symmetric Messages
Hardware Implementations
Software-based switches
OpenFlow laboratory with Mininet
Getting started with Mininet
Experimenting with Mininet
Summary
Chapter 3: The OpenFlow Controllers
SDN controllers
Existing implementations
NOX and POX
Running a POX application
NodeFlow
Floodlight
OpenDaylight
Special controllers
Summary
Chapter 4: Setting Up the Environment
Understanding the OpenFlow laboratory
External controllers
Completing the OpenFlow laboratory
OpenDaylight
ODL controller
ODL-based SDN laboratory
Summary
Chapter 5: "Net App" Development
Net App 1 – an Ethernet learning switch
Building the learning switch
Net App 2 – A simple firewall
Net App 3 – simple forwarding in OpenDaylight
Summary
Chapter 6: Getting a Network Slice
Network virtualization
FlowVisor
FlowVisor API
FLOW_MATCH structure
Slice actions structure
FlowVisor slicing
Summary
Chapter 7: OpenFlow in Cloud Computing
OpenStack and Neutron
OpenStack Networking Architecture
Neutron plugins
Summary
Chapter 8: Open Source Resources
Switches
Open vSwitch
Pantou
Indigo
LINC
XORPlus
OF13SoftSwitch
Controllers
Beacon
Floodlight
Maestro
Trema
FlowER
Ryu
Miscellaneous
FlowVisor
Avior
RouteFlow
OFlops and Cbench
OSCARS
Twister
FortNOX
Nettle
Frenetic
OESS
Summary
Index
Software Defined Networking with OpenFlow Get hands-on with the platforms and development tools used to build OpenFlow network applications Siamak Azodolmolky BIRMINGHAM - MUMBAI
Software Defined Networking with OpenFlow Copyright © 2013 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: October 2013 Production Reference: 1211013 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-84969-872-6 www.packtpub.com Cover Image by Mrunal Gawade (mrunal.gawade@gmail.com)
Credits Author Siamak Azodolmolky Project Coordinator Akash Poojary Reviewers Prof. Dr. Christian Esteve Rothenberg Seungwon Shin Acquisition Editor Julian Ursell Commissioning Editor Manasi Pandire Technical Editors Manan Badani Nadeem Bagban Tanvi Bhatt Pankaj Kadam Pramod Kumavat Sonali Vernekar Proofreader Faye Coulman Linda Morris Indexer Hemangini Bari Graphics Ronak Dhruv Abhinash Sahu Production Coordinator Melwyn D’sa Cover Work Melwyn D’sa
About the Author Siamak Azodolmolky received his Computer Engineering degree from Tehran University and his first MSc. degree in Computer Architecture from Azad University in 1994 and 1998 respectively. He was employed by Data Processing Iran Co. (IBM in Iran) as a Software Developer, Systems Engineer, and as a Senior R&D Engineer during 1992-2001. He received his second MSc. degree with distinction from Carnegie Mellon University in 2006. He joined Athens Information Technology (AIT) as a Research Scientist and Software Developer in 2007, while pursuing his PhD degree. In August 2010, he joined the High Performance Networks research group of the School of Computer Science and Electronic Engineering (CSEE) of the University of Essex as a Senior Research Officer. He received his PhD (with ‘cum laude’) from the Universitat Politécnica de Catalunya UPC in 2011. He has been the technical investigator of various national and EU funded projects. Software Defined Networking (SDN) has been one of his research interests since 2010, in which he has been investigating the extension of OpenFlow towards its application in core transport (optical) networks. He has published more than 50 scientific papers in international conferences, journals, and books. Currently, he is with Gesellschaft für Wissenschaftliche Datenverarbeitung mbH Göttingen (GWDG) as a Senior Researcher and has lead SDN related activities since September 2012. He is a professional member of ACM and a senior member of IEEE. Whenever I reach the end of a book production, once again I realize that nobody is perfect. I would like to thank the technical reviewers for providing me with fruitful and constructive feedback. Any remaining errors are, of course, my own. I would also like to thank the Packt Publishing team who has been really supportive in getting this book off the ground. The knowledge, support, and experience of many colleagues in the SDN community have been instrumental in filling the gaps in my understanding of SDN. This book was not simply possible without them. Finally, sincere and especially heartfelt thanks go out to my son, Parsa Azodolmolky. His patience during writing time, while being away from me is greatly appreciated. I love you Parsa.
About the Reviewers Christian Esteve Rothenberg, has been an Assistant Professor at the University of Campinas (UNICAMP) since August 2013, where he received his PhD in Electrical and Computer Engineering in 2010. From 2010 to 2013, he worked as a Senior Research Scientist in the areas of IP systems and networking at CPqD R&D Center in Telecommunications, Campinas, Brazil. Christian was the technical lead of OpenFlow/SDN activities that resulted in RouteFlow and the first open source OpenFlow 1.2 and 1.3 software toolkits. He holds a Telecommunication Engineering degree from the Technical University of Madrid (ETSIT-UPM), Spain, and an M.Sc. (Dipl. Ing.) degree in Electrical Engineering and Information Technology from the Darmstadt University of Technology (TUD), Germany in 2006. Christian holds two international patents and has published in scientific journals and top-tier networking conferences, such as SIGCOMM and INFOCOM. Since April 2013, Christian has been working as a Research Associate of the Open Networking Foundation (ONF). Seungwon Shin has recently graduated in Computer Engineering from the Texas A&M University. His research topic was Software Defined Networking (SDN) Security. He has published more than 15 papers in academia and developed open source SDN security tools, FRESCO and FortNOX (and also, SE-FloodLight). Currently, he is working at Atto-Research, Korea, a startup company developing robust and secure OpenFlow controllers.
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Table of Contents Preface Chapter 1: Introducing OpenFlow Understanding Software Defined Networking – OpenFlow flavor Activities around SDN/OpenFlow Building Blocks OpenFlow messages Controller-to-switch Features Configuration Modify-State Read-State Send-Packet Barrier Symmetric messages Hello Echo Vendor Asynchronous messages Packet-in Flow-Removal Port-status Error Northbound interface Summary Chapter 2: Implementing the OpenFlow Switch OpenFlow reference switch Asynchronous messages Symmetric Messages Hardware Implementations Software-based switches 1 7 7 8 9 15 16 17 17 17 18 18 19 19 19 19 19 19 20 20 20 20 21 21 23 23 26 27 27 28
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