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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

Packaging deployment artifacts


Using configuration management tooling just to deploy applications is not enough; Continuous Delivery and deployment are only as quick as its slowest component. So having to wait for manual network or infrastructure changes is not an option; all components need to be built, versioned, and have their deployment automated.

When looking at building new environments from scratch, multiple deployment artifacts need to be used to build an environment; application code is just one piece of the jigsaw.

The following dependencies are required to build a redundant environment:

  • Application

  • Infrastructure (base operating systems and virtual or physical servers)

  • Networking

  • Load balancing

  • Deployment scripts (configuration management)

Not versioning all these components together means that true rollback is not available as components may break if an application is rolled back and the network has moved forward in terms of state.

Ideally application code, infrastructure, networking...

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