With the increase in satellite meg-constellations, network management has become increasingly complex, and the software-defined network idea has been introduced into modern satellite networks. This study considers the multi-controller placement problem in software-defined satellite networks and decomposes the problem into two sub-problems: SDN controller placement and switch-controller assignment. A meta-heuristic approach based on AVOA is proposed to solve the two sub-problems step-by-step, with the optimization objective of network reliability maximization, which has often been neglected in previous studies. Numerical experiments demonstrate that the AVOA-based solution outperforms baselines based on the NSGA-II and particle swarm optimization algorithms in terms of control delay, load-balancing capability, and reliability.


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    Titel :

    Multi-controller Placement in Software Defined Satellite Networks: A Meta-heuristic Approach


    Beteiligte:
    Jiang, Wei wei (Autor:in) / Han, Haoyu (Autor:in) / Zhang, Yang (Autor:in) / Mu, Jianbin (Autor:in)


    Erscheinungsdatum :

    24.06.2024


    Format / Umfang :

    465641 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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