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Software-Defined Networking (SDN) with OpenStack

You're reading from   Software-Defined Networking (SDN) with OpenStack Leverage the best SDN technologies for your OpenStack-based cloud infrastructure

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Product type Paperback
Published in Oct 2016
Publisher
ISBN-13 9781786465993
Length 216 pages
Edition 1st Edition
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Authors (2):
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Sriram Subramanian Sriram Subramanian
Author Profile Icon Sriram Subramanian
Sriram Subramanian
Sreenivas Voruganti Sreenivas Voruganti
Author Profile Icon Sreenivas Voruganti
Sreenivas Voruganti
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Toc

Table of Contents (11) Chapters Close

Preface 1. OpenStack Networking in a Nutshell FREE CHAPTER 2. Introduction to Software-Defined Networking 3. SDN Protocols 4. SDN Networking with Open vSwitch 5. Getting Started with OpenDaylight 6. Using OpenDaylight with OpenStack 7. Getting Started with OpenContrail 8. OpenContrail Networking with OpenStack 9. Open Network Operating System (ONOS) 10. OVN and Open vSwitch Enhancements

SDN and OpenStack

In order to understand how SDN fits into the OpenStack ecosystem, let's revisit some of the learnings from the earlier sections of this chapter:

  • Network abstractions are required in order to provide a flexible environment for cloud-based applications
  • Networking must support programmatic APIs in order to dynamically provision the resources needed for applications and to integrate effectively with compute and storage resources
  • Centralized management of SDN is critical to support multi-vendor based cloud infrastructure

OpenStack and Network abstractions

As seen in the previous chapter, OpenStack supports simple abstractions such as network, subnet, router, firewall, and so on. These abstractions help cloud users to define applications and the required infrastructure as software entities. The advantage of this approach is that underlying physical infrastructure is unaware and independent of the applications running on it. Sophisticated orchestration entities and SDN controllers...

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