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SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization
book

SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization

by Jim Doherty
March 2016
Beginner to intermediate content levelBeginner to intermediate
400 pages
8h 34m
English
Addison-Wesley Professional
Content preview from SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization

21. How SDN Works

The preceding chapter discussed the lack of programmability with traditional networks and noted that the key to transforming networks is to decouple the control plane (software) from the data plane (hardware). In doing so, we can provide centralized control and enjoy the benefits of a programmable network. Accommodating this new model involves two key steps.

First, we want the control of the network to be centralized rather than having each device as its own island. This greatly simplifies network discovery, connectivity, and control, all of which are complex and problematic in large traditional networks. Having overarching control actually makes the whole network programmable instead of having to individually configure each ...

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ISBN: 9780134307398Purchase book