On reliable controller placements in software-defined networks

FJ Ros, PM Ruiz - Computer Communications, 2016 - Elsevier
In order to deploy fault-tolerant Software-Defined Networks (SDNs), a logically centralized
controller must be physically distributed among different devices. In this paper, we focus on …

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 …

Cooperative game theory based network partitioning for controller placement in SDN

BPR Killi, EA Reddy, SV Rao - 2018 10th International …, 2018 - ieeexplore.ieee.org
Software Defined Networking decouples the control plane from the data plane and shifts the
control plane to an external entity known as the controller. In large networks, the control …

Pareto-optimal resilient controller placement in SDN-based core networks

D Hock, M Hartmann, S Gebert… - Proceedings of the …, 2013 - ieeexplore.ieee.org
With the introduction of Software Defined Networking (SDN), the concept of an external and
optionally centralized network control plane, ie controller, is drawing the attention of …

Capacity-aware and delay-guaranteed resilient controller placement for software-defined WANs

M Tanha, D Sajjadi, R Ruby… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Currently, one of the main enablers for network evolution is software-defined networking
(SDN), where the control plane is decoupled from the data plane. A controller, as a …

Reliable and load balance-aware multi-controller deployment in SDN

T Hu, P Yi, J Zhang, J Lan - China Communications, 2018 - ieeexplore.ieee.org
Software Defined Networking (SDN) provides flexible network management by decoupling
control plane and data plane. However, such separation introduces the issues regarding the …

A survey on software defined networking with multiple controllers

Y Zhang, L Cui, W Wang, Y Zhang - Journal of Network and Computer …, 2018 - Elsevier
Compared with traditional network, Software Defined Networking (SDN) decouples control
plane and data plane, providing programmability to configure the network. In spite of such …

An efficient approach to robust controller placement for link failures in Software-Defined Networks

T Hu, Q Ren, P Yi, Z Li, J Lan, Y Hu, Q Li - Future Generation Computer …, 2021 - Elsevier
Abstract In Software-Defined Networks (SDN), one of the critical research challenges for
large-scale deployment of SDN is controller placement problem (CPP). However, link …

QoS-guaranteed controller placement in SDN

TY Cheng, M Wang, X Jia - 2015 IEEE Global Communications …, 2015 - ieeexplore.ieee.org
The controller placement problem tries to place k controllers in a given network to optimize
performance metrics such as propagation latency, load distribution, network reliability and …

Scalability, consistency, reliability and security in SDN controllers: a survey of diverse SDN controllers

S Ahmad, AH Mir - Journal of Network and Systems Management, 2021 - Springer
Abstract Software Defined Networking simplifies design, monitoring and management of
next generation networks by segregating a legacy network into a centralized control plane …