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What is Network Functions Virtualization

Chapter 5
Design Innovation and Network Architecture for the Future Internet
An architecture where functions are virtualized and instantiated as needed on an off-the-shelf high-end infrastructure.
Published in Chapter:

Future SDN-Based Network Architectures

Evangelos Haleplidis (University of Piraeus, Greece), Christos Tranoris (University of Patras, Greece), Spyros Denazis (University of Patras, Greece), and Odysseas Koufopavlou (University of Patras, Greece)
Copyright: © 2021 | Pages: 32
DOI: 10.4018/978-1-7998-7646-5.ch005

Abstract

The goal of this chapter is to provide a clear view of SDN, its origin, and its possible future. This chapter starts by taking a step backwards and looks at SDN in a historic perspective by visiting the history of network programmability and identifies how it helped pave the way and shape SDN. This historic journey will provide a general context of SDN and put SDN into perspective. Then the authors show the current view of SDN as defined by standard development organizations (SDOs), provide a sense of SDN's malleability, explore SDN interactions with different networking architectures, and finally, provide a vision of a possible SDN future.
Full Text Chapter Download: US $37.50 Add to Cart
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Chapter 6
Slicing Challenges for Operators
Networking approach that envisages the instantiation of service functions on commodity hardware, breaking the traditional monolithic approach of functional software and hardware.
Published in Chapter: Slicing Challenges for Operators; From: Emerging Automation Techniques for the Future Internet
Full Text Chapter Download: US $37.50 Add to Cart
Chapter 11
Principles and Enabling Technologies of 5G Network Slicing
Software abstraction of network functions in next generation communications systems, which otherwise require dedicated hardware concerning traditional infrastructure.
Published in Chapter: Principles and Enabling Technologies of 5G Network Slicing; From: Paving the Way for 5G Through the Convergence of Wireless Systems
Full Text Chapter Download: US $37.50 Add to Cart

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