Book Image

Building Modern Networks

By : Steven Noble
Book Image

Building Modern Networks

By: Steven Noble

Overview of this book

<p>As IT infrastructures become more software-defined, networking operations tend to be more automated with falling levels of manual configuration at the hardware level. Building Modern Networks will brush up your knowledge on the modern networking concepts and help you apply them to your software-defined infrastructure.</p> <p>In this book you'll gain the knowledge necessary to evaluate, choose, and deploy a next generation network design. We will cover open and closed network operating systems (NOS) along with the protocols used to control them such as OpenFlow, Thrift, Opflex, and REST. You will also learn about traffic engineering and security concepts for NGNs. You will also find out how to fine-tune your network using QoS and QoE.</p> <p>By the end of the book, you'll be well versed in simplifying the way you design, build, operate, and troubleshoot your network.</p>

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Table of Contents (20 chapters)
Title Page
Title Page
Credits
Credits
About the Author
About the Author
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Customer Feedback
Customer Feedback
Preface
Preface
Free Chapter
1
Open and Proprietary Next Generation Networks
Open and Proprietary Next Generation Networks
Examples of next generation networking
What defines a modern network?
Next generation networking examples
Designing a modern network
Summary
2
Networking Hardware and Software
Networking Hardware and Software
Introducing the OCP
Summary
3
Exploring OpenFlow
Exploring OpenFlow
Active and programmable network concepts
The history of OpenFlow
Understanding OF-DPA — the open source OpenFlow agent from Broadcom
OpenDaylight
ONOS
Summary
4
Using REST and Thrift APIs to Manage Switches
Using REST and Thrift APIs to Manage Switches
API concepts
Summary
5
Using Postman for REST API calls
Using Postman for REST API calls
Showing and modifying the configuration of SnapRoute's FlexSwitch via Postman
Summary
6
OpenFlow Deep Dive
OpenFlow Deep Dive
History of OpenFlow
What issues does OpenFlow solve?
Internal workings of OpenFlow
How an OpenFlow controller and agent work together
About OpenDaylight
ONOS
Summary
7
VMware NSX
VMware NSX
NSX
The history of virtualization
How to design a network using NSX
Installing VMware NSX
Summary
8
Cisco ACI
Cisco ACI
ACI terminologies and concepts
EPGs
ACI modes
Summary
9
Where to Start When Building a Next Generation Network
Where to Start When Building a Next Generation Network
Network design fundamentals
Summary
10
Designing a Next Generation Network
Designing a Next Generation Network
Terminologies used in this chapter
Physical location
Using RFI/RFQ information to design the network
Assembling the network
Migrating to the new network
Summary
11
Example NGN Designs
Example NGN Designs
Designs used in this chapter
Summary
12
Understanding and Configuring Quality of Service
Understanding and Configuring Quality of Service
QoS
Utilizing QoS
QoS in open source controllers
QoS in NSX
Summary
13
Securing the Network
Securing the Network
Terminology used in this chapter
The evolution of security on the internet
Demilitarized/Demarcation Zone (DMZ)
Using network controllers to implement security
Summary

ONOS

The Open Network Operating System (ONOS) is a Software-defined Networking (SDN) platform that provides an OpenFlow controller and integrates with OF-DPA and Indigo.

Installing and configuring ONOS

Using the same Ubuntu box from our ODL and IVS demos, we will stop Karaf and install ONOS.

Similar directions can be found at https://wiki.onosproject.org/display/ONOS/Installing+on+a+single+machine. First we need to add the java repository to our Linux machine, this is necessary to get the latest version of Java and to update if a security patch is released.

sudo add-apt-repository ppa:webupd8team/java -y
sudo apt-get update
sudo apt-get install oracle-java8-installer oracle-java8-set-default maven -y

We can now proceed to download and install ONOS. The first step is to acquire a copy of ONOS, which we can accomplish using the web get tool (wget). The first two steps will download and install ONOS, the next steps show logging in and what ONOS should look like if devices are connected:

  1. We will download...
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