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What is Survivable and Robust Networks

Chapter 7
Emerging Automation Techniques for the Future Internet
A network is said to be survivable if it implements one or several protection mechanisms allowing for resilience against link or node failures. The notion of robustness can be used for fault-tolerance but refers more often to the ability to effectively cope with uncertainties about traffic (or other input data).
Published in Chapter:
Future Networks: Overview of Optimization Problems in Decision-Making Procedures
Nancy Perrot (Orange Labs, France), Amal Benhamiche (Orange Labs, France), Yannick Carlinet (Orange Labs, France), and Eric Gourdin (Orange Labs, France)
Copyright: © 2019 |Pages: 31
DOI: 10.4018/978-1-5225-7146-9.ch007
Abstract
This chapter gives an insight into some challenging combinatorial optimization problems that have to be tackled to deliver efficient and appropriate decision algorithms to manage future networks. The first part of the chapter is dedicated to variants of routing optimization problems in future IP networks, and the second part is dedicated to two optimization problems related to network virtualization and 5G network slicing, the virtual network embedding problem and the service function chaining problem. Each of these optimization problems is described along with the main challenges to overcome, and a recent and extensive related state of the art is given, so as to highlight the most recent and promising approaches to solve them.
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