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    HotPLUZ: A BGP-aware Green Traffic Engineering Approach

    Access Status
    Fulltext not available
    Authors
    Ruiz-Rivera, A.
    Chin, K.
    Raad, R.
    Soh, Sie Teng
    Date
    2014
    Type
    Conference Paper
    
    Metadata
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    Citation
    Ruiz-Rivera, A. and Chin, K. and Raad, R. and Soh, S. 2014. HotPLUZ: A BGP-aware Green Traffic Engineering Approach, in IEEE International Conference on Communications (ICC), Jun 10-14 2014. Sydney, Australia: IEEE.
    Source Title
    2014 IEEE International Conference on Communications (ICC)
    Source Conference
    2014 IEEE International Conference on Communications (ICC)
    DOI
    10.1109/ICC.2014.6883900
    ISBN
    978-1-4799-2003-7
    School
    Department of Computing
    URI
    http://hdl.handle.net/20.500.11937/42822
    Collection
    • Curtin Research Publications
    Abstract

    Green networking techniques aim to shut down the least utilized links and/or routers during off-peaks hours. In this paper, we show that such techniques negatively impact the operation of the Border Gateway Protocol (BGP). We quantify the impacts of two representative green approaches: (i) GAES, a green technique that modifies link weights, and (ii) ESOL, a green technique that does not involve link weights adjustments. Experiments over the Abilene, AT&T, GEANT and SURFnet topologies show that when using GAES, routing changes and the proportion of rerouted traffic, both of which affect BGP, are in the order of 108% and 141% greater than ESOL. Therefore, we propose Hot Potato Low UtiliZation (HotPLUZ), a greenapproach that takes hot-potato routing into account. HotPLUZ reroutes traffic from lowly utilized links and aggregate said traffic onto highly utilized links, whilst minimizing any changes to the corresponding egress router of a given destination. In addition, HotPLUZ considers link utilization in order to avoid packet loss and high latencies. Our experimental results indicate an overall saving of up to 21% under low network load.

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