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Flow setup aware controller placement in distributed software-defined networking
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Resumo(s)
In distributed software-defined networking, switches can be assigned to a single master controller and one or more slave controllers, for resilience. However, only master controllers are allowed to install flow rules. Also, controllers install flow rules just at switches under their domain. This means that a particular flow may trigger the flow setup procedure multiple times, if the traversed switches are under different controller domains. This results into extra network load and instability. Here, in this article, the controller placement is planned having into account flow setup efficiency and possible future migrations from master to slave controllers. Results show that such flow setup and migration awareness results into long-term quality solutions for controller placement.
Descrição
Palavras-chave
Switches Minimization Resilience Centralized control Routing Topology Controller placement Flow Setup Multicontroller Software-defined networking Switch assignment
Contexto Educativo
Citação
Editora
IEEE-Institute of Electrical and Electronics Engineers