Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/92298
Title: A Heuristic Method for Controller Placement and Enhanced Availability between SDN Controllers
Authors: Santos, Dorabella 
Vidal, Joao P.
Gomes, Teresa Martinez dos Santos 
Martins, Lúcia Maria dos Reis Albuquerque 
Keywords: integer linear programming; SDN; controller placement; availability; Steiner tree; heuristics
Issue Date: 11-Nov-2020
Publisher: IEEE
Citation: D. Santos, J. P. Vidal, T. Gomes and L. Martins, "A Heuristic Method for Controller Placement and Enhanced Availability between SDN Controllers," 2020 11th International Conference on Network of the Future (NoF), Bordeaux, France, 2020, pp. 82-90, doi: 10.1109/NoF50125.2020.9249098
Project: CENTRO-01-0145-FEDER-029312 
UIDB/00308/2020 
Serial title, monograph or event: 2020 11th International Conference on Network of the Future (NoF)
Place of publication or event: Bordeaux, France.
Abstract: The problem of guaranteeing ‘five-nines’ availability between the controllers in a SDN network is addressed. We consider the problem of controller placement under delay constraints, while assuming a sub-graph of enhanced availability between the controllers. The sub-graph can be upgraded at a given cost, to achieve the desired availability requirements. To solve this problem, we propose a heuristic method to evaluate several controller node sets and the upgrade cost of the subgraph for enhanced availability. The computational results show that slightly increasing the number of controllers can lead to a significant reduction in the upgrade cost.
URI: http://hdl.handle.net/10316/92298
ISBN: 978-1-7281-8055-7
DOI: 10.1109/NoF50125.2020.9249098
Rights: embargoedAccess
Appears in Collections:FCTUC Eng.Electrotécnica - Artigos em Livros de Actas

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