Towards improving resilience of controller placement with minimum backup capacity in software defined networks

BPR Killi, SV Rao - Computer Networks, 2019 - Elsevier
The number of controllers required to manage the network and locations of these controllers
affect various aspects of the separated controller plane including the performance metrics …

Heuristic approaches for the reliable SDN controller placement problem

AK Singh, S Maurya, N Kumar… - Transactions on …, 2020 - Wiley Online Library
Software‐defined networking (SDN) is one of the most used network architecture that
divides the forwarding plane and control plane. The SDN centrally observes and regulates …

The energy-aware controller placement problem in software defined networks

Y Hu, T Luo, NC Beaulieu… - IEEE Communications …, 2016 - ieeexplore.ieee.org
Controller placement is an important problem in software defined networks. Previously,
some works addressed the problem by taking into account primary factors, such as …

Capacity and load-aware software-defined network controller placement in heterogeneous environments

M Khorramizadeh, V Ahmadi - Computer Communications, 2018 - Elsevier
Relying upon a single centralized controller in Software-Defined Networks may lead to
scalability problems. To make the network scalable and keep latency low for wide area …

Expansion model for the controller placement problem in software defined networks

A Sallahi, M St-Hilaire - IEEE Communications Letters, 2016 - ieeexplore.ieee.org
A key concern in the deployment of Software Defined Networks (SDN) is the location of the
controller. One issue network operators will have to face is how to expand their network at …

Dynamic slave controller assignment for enhancing control plane robustness in software-defined networks

T Hu, P Yi, Z Guo, J Lan, Y Hu - Future Generation Computer Systems, 2019 - Elsevier
Multi-controller is a scalable control plane solution for the large-scale Software-Defined
Networking (SDN). To achieve high resilience, an SDN switch can connect one master …

On multiple controller mapping in software defined networks with resilience constraints

V Sridharan, M Gurusamy… - IEEE Communications …, 2017 - ieeexplore.ieee.org
We propose an effective switch-controller mapping scheme for distributed controller
architectures in software defined networks. Our scheme maps a switch to multiple controllers …

The SDN controller placement problem for WAN

P Xiao, W Qu, H Qi, Z Li, Y Xu - 2014 IEEE/CIC International …, 2014 - ieeexplore.ieee.org
Large networks are always partitioned into several small networks when deploying software
defined networking (SDN). The network partitioning with SDN control planes open many …

The role of inter-controller traffic in SDN controllers placement

T Zhang, A Bianco, P Giaccone - 2016 IEEE conference on …, 2016 - ieeexplore.ieee.org
We consider a distributed Software Defined Networking (SDN) architecture adopting a
cluster of multiple controllers to improve network performance and reliability. Differently from …

Multi criteria analysis of controller placement problem in software defined networks

A Jalili, M Keshtgari, R Akbari, R Javidan - Computer Communications, 2019 - Elsevier
Abstract Controller Placement Problem (CPP) is an important task in Software Defined
Networks (SDNs). Meanwhile, the assignment of switches to the controllers plays a key role …