March 2016
Intermediate to advanced
30 pages
56m
English
Content preview from Network Automation with Ansible
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Chapter 1. Network Automation
As the IT industry transforms with technologies from server virtualization to public and private clouds with self-service capabilities, containerized applications, and Platform as a Service (PaaS) offerings, one of the areas that continues to lag behind is the network.
Over the past 5+ years, the network industry has seen many new trends emerge, many of which are categorized as software-defined networking (SDN).
Note
SDN is a new approach to building, managing, operating, and deploying networks. The original definition for SDN was that there needed to be a physical separation of the control plane from the data (packet forwarding) plane, and the decoupled control plane must control several devices.
Nowadays, many more technologies get put under the SDN umbrella, including controller-based networks, APIs on network devices, network automation, whitebox switches, policy networking, Network Functions Virtualization (NFV), and the list goes on.
For purposes of this report, we refer to SDN solutions as solutions that include a network controller as part of the solution, and improve manageability of the network but don’t necessarily decouple the control plane from the data plane.
One of these trends is the emergence of application programming interfaces (APIs) on network devices as a way to manage and operate these devices and truly offer machine to machine communication. APIs simplify the development process when it comes to automation and building network ...
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