Book Image

Software-Defined Networking with OpenFlow - Second Edition

By : SIAMAK AZODOLMOLKY, Oswald Coker
Book Image

Software-Defined Networking with OpenFlow - Second Edition

By: SIAMAK AZODOLMOLKY, Oswald Coker

Overview of this book

OpenFlow paves the way for an open, centrally programmable structure, thereby accelerating the effectiveness of Software-Defined Networking. Software-Defined Networking with OpenFlow, Second Edition takes you through the product cycle and gives you an in-depth description of the components and options that are available at each stage. The aim of this book is to help you implement OpenFlow concepts and improve Software-Defined Networking on your projects. You will begin by learning about building blocks and OpenFlow messages such as controller-to-switch and symmetric and asynchronous messages. Next, this book will take you through OpenFlow controllers and their existing implementations followed by network application development. Key topics include the basic environment setup, the Neutron and Floodlight OpenFlow controller, XORPlus OF13SoftSwitch, enterprise and affordable switches such as the Zodiac FX and HP2920. By the end of this book, you will be able to implement OpenFlow concepts and improve Software-Defined Networking in your projects.

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Table of Contents (17 chapters)
Title Page
Title Page
Credits
Credits
About the Authors
About the Authors
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Customer Feedback
Customer Feedback
Preface
Preface
Free Chapter
1
Software-Defined Networks
Software-Defined Networks
Understanding SDN
SDN use cases
NFV
Summary
2
Introducing OpenFlow
Introducing OpenFlow
Activities around SDN/OpenFlow
Building Blocks of an SDN deployment
OpenFlow messages
Northbound interface
Summary
3
Implementing the OpenFlow Switch
Implementing the OpenFlow Switch
OpenFlow reference switch
OpenFlow enabled switches
OpenFlow laboratory with Mininet
Summary
4
The OpenFlow Controllers
The OpenFlow Controllers
Software-Defined Networking controllers
Existing implementations
ODL
Ryu
Installation of a Ryu controller
Running a Ryu application
Special controllers
Summary
5
Setting Up the Environment
Setting Up the Environment
Understanding the OpenFlow laboratory
ODL
SDN Hub starter VM kit
Summary
6
Net App Development
Net App Development
Net App 1 - an Ethernet learning switch
Net App 2 - a simple firewall
Net App 3 - simple forwarding in OpenDaylight
Net App 4 – simple switching hub using Ryu controller
Net App 5 – simple router using Ryu controller
Net App 6 – simple firewall using Ryu controller
Summary
7
Getting a Network Slice
Getting a Network Slice
Network virtualization
FlowVisor
FlowVisor slicing
Summary
8
OpenFlow in Cloud Computing
OpenFlow in Cloud Computing
OpenStack and Neutron
OpenStack Networking architecture
Neutron plugins
Summary
9
Open Source Resources
Open Source Resources
Controllers
Miscellaneous
Summary
10
The Future of SDN
The Future of SDN
Packet forwarding innovations beyond OpenFlow
Protocol-independent forwarding
Optical transport protocol extensions
Summary

Ryu

Ryu originates from a Japanese word meaning flow. It is a component-based, open source SDN framework fully written in Python that provides a precise software component and comprehensive API essential for the development of network applications for control and management.

Ryu supports various protocols for managing network devices, such as OpenFlow, Network Configuration Protocol (NETCONF), and the OpenFlow Management and Configuration Protocol (OF-Config), Open vSwitch Database (OVSDB) management protocol. It currently supports OpenFlow versions 1.0, 1.2, 1.3, 1.4, and 1.5 and Nicira extensions. NTT labs currently supports the Ryu controller, and it is also deployed across its various cloud data centers.

Ryu architecture

The following components make up the Ryu architecture.

Ryu libraries

Ryu consists of a wide range of libraries that support southbound protocols and packet processing. Some of the southbound protocols include:

  • OF-Config, which is a protocol designed for OpenFlow switch management...
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