Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/90462
Title: Software-Defined Network Design driven by Availability Requirements
Authors: Santos, Dorabella 
Gomes, Teresa 
Tipper, David 
Keywords: SDN; controller placement; availability; spine design; optimization
Issue Date: 11-May-2020
Publisher: IEEE
Citation: D. Santos, T. Gomes and D. Tipper, "Software-Defined Network Design driven by Availability Requirements," 2020 16th International Conference on the Design of Reliable Communication Networks DRCN 2020, Milano, Italy, 2020, pp. 1-7, doi: 10.1109/DRCN48652.2020.1570604282.
Project: UIDB/00308/2020 
CENTRO-01-0145-FEDER-029312 
Serial title, monograph or event: 2020 16th International Conference on the Design of Reliable Communication Networks DRCN 2020
Place of publication or event: Milano, Italy
Abstract: In Software Defined Networking (SDN), the controller locations are mainly constrained by delays between switches and controllers, and between the controllers themselves. In addition to the delay requirements, the availability of the connections between switches and controllers is also a key issue for control plane performance. Here, we explore the idea of having a spanning tree substructure called the spine, whose links can be upgraded to have high availability in order to support availability requirements for the control paths (routing paths between switches and controllers). We formulate an optimization model of the joint controller placement and spine design problem for SDN networks, under delay, availability and path redundancy requirements. Numerical results are presented showing the trade-offs between the number of controllers, delay requirements and upgrade cost.
URI: http://hdl.handle.net/10316/90462
ISBN: 978-1-7281-6300-0
DOI: 10.1109/DRCN48652.2020.1570604282
Rights: embargoedAccess
Appears in Collections:I&D INESCC - Artigos e Resumos em Livros de Actas
FCTUC Eng.Electrotécnica - Artigos em Livros de Actas

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