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Learning OpenStack Networking (Neutron)

Learning
James Denton

Architect and build a network infrastructure for your cloud using OpenStack Neutron networking
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Book Details

ISBN 139781783983308
Paperback300 pages

About This Book

  • Build a virtual switching infrastructure for virtual machines using the Open vSwitch or Linux Bridge plugins
  • Create networks and software routers that connect virtual machines to the Internet using built-in Linux networking features
  • Scale your application using Neutron’s load-balancing-as-a-service feature using the haproxy plugin

Who This Book Is For

If you are an OpenStack-based cloud operator with experience in OpenStack Compute and nova-network but are new to Neutron networking, then this book is for you. Some networking experience is recommended, and a physical network infrastructure is required to provide connectivity to instances and other network resources configured in the book.

Table of Contents

Chapter 1: Preparing the Network for OpenStack
What is OpenStack Networking?
Preparing the physical infrastructure
Physical server connections
Summary
Chapter 2: Installing OpenStack
System requirements
Before you begin
Installation of OpenStack
Summary
Chapter 3: Installing Neutron
Basic Neutron constructs
Installing and configuring Neutron services
Configuring Neutron services
Summary
Chapter 4: Building a Virtual Switching Infrastructure
Providing layer 2 connectivity to instances
Types of networks in Neutron
Choosing a networking plugin
Configuring a layer 2 networking plugin
Summary
Chapter 5: Creating Networks with Neutron
Network management
Attaching instances to networks
Exploring how instances get their addresses
Exploring how instances retrieve their metadata
Summary
Chapter 6: Creating Routers with Neutron
Configuring the Neutron L3 agent
Router management in the CLI
Network Address Translation
Floating IP Management
Demonstrating traffic flow from instance to Internet
Router management in the dashboard
Summary
Chapter 7: Load Balancing Traffic in Neutron
Fundamentals of load balancing
Integrating load balancers into the network
Installing LBaaS
Load balancer management in the CLI
Building a load balancer
Load balancer management in the dashboard
Summary
Chapter 8: Protecting Instances on the Network
Security groups in OpenStack
Firewall-as-a-service
Introducing iptables
Working with security groups
Working with FWaaS
Firewall rules – behind the scenes
Summary

What You Will Learn

  • Architect and install the latest Havana release of OpenStack on CentOS
  • Review the components of OpenStack networking and see how they work together to coordinate network operations
  • Build a virtual switching infrastructure using Open vSwitch or LinuxBridge to provide Layer 2 connectivity to instances and other network resources
  • Create physical and virtual overlay networks and software routers to provide layer 3 connectivity to instances and other network resources
  • Scale your application using OpenStack Networking's LBaaS solution with the haproxy plugin
  • Secure your cloud using security groups and OpenStack Networking's FWaaS solution based on iptables
  • Navigate various OpenStack Networking features using the Horizon dashboard or the command-line interface

In Detail

OpenStack provides a rich API that enables users to architect networks, create virtual machines, and scale their application as they see fit. However, it suffered limited network implementations, providing only basic networking through Linux VLANs and iptables. With the arrival of Neutron, you can achieve so much more with OpenStack. Whether you are new to OpenStack Networking (Neutron) or have experience, this book will provide you with the skills needed to successfully design, create, customize, and maintain the core network foundation of an OpenStack cloud using the Neutron networking API.

From start to finish, this tutorial will educate you on the various network features of OpenStack in the Havana release and how they work together. With ample screenshots, examples, and command-line output that provide a consistent experience, this book will give you a foundation from which you can build your very own OpenStack cloud with advanced networking services.

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