Development Of Scalable Hybrid Switching Based Software Defined Networking
Max Blose, Lateef Adesola Akinyemi · 2020
Software-Defined Networking (SDN) is a technology that promises to improve network performance and realization of cost reduction for service providers through its flexibility, programmability, and separation of control plane from data plane. However, the decoupling of control plane from data plane in SDN deployment has scalability challenges as controller has limited computing capacity. In this paper, we propose a hybrid switch based on OpenFlow to perform both data forwarding functions and some control plane functionalities delegated by SDN controller. The delegation controller function to hybrid switch can reduce work load and traffic between the controller and hybrid switch, therefore resulting to improved scalability and reduced path set-up latency. The proposed hybrid switch can be implemented in a Data Centre network to ensure scalable switching and reduced network latency.