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https://hdl.handle.net/10316/93497
Título: | SDN Controller Placement With Availability Upgrade Under Delay and Geodiversity Constraints | Autor: | Santos, Dorabella Gomes, Teresa Martinez dos Santos Tipper, David |
Palavras-chave: | Software-Defined Networking; geodiversity; availability; controller placement problem; integer linear programming | Data: | Mar-2021 | Editora: | IEEE | Projeto: | CENTRO-01-0145-FEDER-029312 UIDB/00308/2020 |
Volume: | 18 | Número: | 1 | Resumo: | An inherent problem in Software-Defined Networking (SDN) is the Controller Placement Problem, which addresses how many controllers to deploy in the network, and where to place them. Several variants of this problem have been addressed and researched to find the placements that adapt best to different contexts. In this paper, we address a more complex variant of this problem, to satisfy QoS requirements and to offer robustness against disaster-based failures. We address the joint optimization problem of controller placement and finding a tree subgraph which can be upgraded to have enhanced availability, in order to satisfy delay and availability constraints. Additionally, we consider geodiversity constraints as a way to enhance robustness to disaster-based failures. | URI: | https://hdl.handle.net/10316/93497 | ISSN: | 1932-4537 2373-7379 |
DOI: | 10.1109/TNSM.2020.3049013 | Direitos: | embargoedAccess |
Aparece nas coleções: | FCTUC Eng.Electrotécnica - Artigos em Revistas Internacionais I&D INESCC - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
---|---|---|---|---|
SDN_Controller_Placement_Final_preprint_Estudogeral.pdf | SDN Controller Placement with Availability Upgrade under Delay and Geodiversity Constraints | 2.49 MB | Adobe PDF | Ver/Abrir |
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