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DevOps for Networking

You're reading from   DevOps for Networking Bringing Network Automation into DevOps culture

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Product type Paperback
Published in Oct 2016
Publisher
ISBN-13 9781786464859
Length 364 pages
Edition 1st Edition
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Author (1):
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Steven Armstrong Steven Armstrong
Author Profile Icon Steven Armstrong
Steven Armstrong
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Table of Contents (13) Chapters Close

Preface 1. The Impact of Cloud on Networking 2. The Emergence of Software-defined Networking FREE CHAPTER 3. Bringing DevOps to Network Operations 4. Configuring Network Devices Using Ansible 5. Orchestrating Load Balancers Using Ansible 6. Orchestrating SDN Controllers Using Ansible 7. Using Continuous Integration Builds for Network Configuration 8. Testing Network Changes 9. Using Continuous Delivery Pipelines to Deploy Network Changes 10. The Impact of Containers on Networking 11. Securing the Network Index

Why SDN solutions are necessary

SDN solutions are necessary as they allow businesses to simplify their network operations, and it also allows them to automate network functions. It fits well with the DevOps initiative and the need to make network operations more agile.

A byproduct of SDN is that it allows network functions to become as accurate and repeatable as creating a new virtual machine on a hypervisor.

SDN solutions from vendors are made up of a centralized controller that is implemented to become the nerve center of the network. SDN controllers rely heavily on Open vSwitch database (OVSDB), which is a programmable, open standard schema which utilizes the OpenFlow protocol, which integrates directly with switches to route packets in the network as well as applying ACL policies to particular virtual machines, physical servers, or containers.

As long as a switch can talk OVSDB and OpenFlow, then it can integrate with common SDN controllers. There are now a wide variety of SDN controllers...

You have been reading a chapter from
DevOps for Networking
Published in: Oct 2016
Publisher:
ISBN-13: 9781786464859
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