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    GreCo: An Energy Aware Controller Association Algorithm for Software Defined Networks

    Access Status
    Fulltext not available
    Authors
    Ruiz-Rivera, A.
    Chin, K.
    Soh, Sieteng
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Ruiz-Rivera, A. and Chin, K. and Soh, S. 2015. GreCo: An Energy Aware Controller Association Algorithm for Software Defined Networks. IEEE Communication Letters. 19 (4): pp. 541-544.
    Source Title
    IEEE Communication Letters
    DOI
    10.1109/LCOMM.2015.2394457
    ISSN
    1089-7798
    School
    Department of Computing
    URI
    http://hdl.handle.net/20.500.11937/3219
    Collection
    • Curtin Research Publications
    Abstract

    Software Defined Networks (SDNs) separate the control and data planes of devices to expedite the deployment, configuration and evolution of networks. In this respect, controllers play a key role. In particular, they control the behavior of switches and must do so quickly. This, however, may be at odds with the goal of reducing the energy consumption of a SDN because powering down links may cause controllers to use paths with larger propagation delays. To this end, we address the problem of assigning switches to controllers with the aim of switching off the maximum number of links subject to the following constraints: delay, link and controller load. Experimental results over four well known topologies show energy savings of up to 55% during off peak times.

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