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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

Summary

In this chapter, we have looked at network security and ways in which security practices need to evolve to meet the demands of modern software-defined networks, as the industry has started to move away from flat layer 2 networks and instead utilize virtualized overlay networks.

This chapter has also hopefully debunked some of the fear and uncertainty associated with securing software-defined networks, while tackling hot topics such as the separation of test and production environments and the use of virtual firewalling for micro-segmentation as opposed to physical firewalls.

The focus of the chapter then shifted to strategies that can be adopted above and beyond minimum security requirements and looked at ways to secure SDN controllers and minimize the attack vectors. This can be achieved by isolating networks, creating out of band networks for network devices, appropriate authentication, and using TLS for inter-network device communication.

The chapter has also looked at the gains...

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