Survivor: An enhanced controller placement strategy for improving SDN survivability

  title={Survivor: An enhanced controller placement strategy for improving SDN survivability},
  author={Lucas F. M{\"u}ller and Rodrigo Ruas Oliveira and Marcelo Caggiani Luizelli and Luciano Paschoal Gaspary and Marinho P. Barcellos},
  journal={2014 IEEE Global Communications Conference},
In SDN, forwarding devices can only operate correctly while connected to a logically centralized controller. To avoid single-point-of-failure, controller architectures are usually implemented as distributed systems. In this context, recent literature identified fundamental issues, such as device isolation and controller overload, and proposed controller placement strategies to tackle them. However, current proposals have crucial limitations: (i) device-controller connectivity is modeled using… CONTINUE READING
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