Abstract
The traditional network lacks flexibility when network needs to be scaled-up or scaled-down as it completely relies on hardware components like routers and switches. This can be solved by a paradigm technology SDN (Software Defined Networks). SDN facilitate network administrators to decouple control plane from data plane, and logically centralize control functions in a software controller. Proposed work in this paper is a rapid SDN prototyping of Single Controller (SC) and Multi Controller (MC) architecture on mininet, a programming flexible simulator. The emulation displays a Multi-Controller (MC) SDN architecture which improves efficiency and exhibits competence in handling scalable network on contrary to Single-Controller (SC) architecture. The proposed work demonstrates defining user defined controller on inbuilt Open Flow controller which also brings intra-cluster and inter-cluster communication in a hierarchical network. We empirically ratify the scalability of network by increasing number of host nodes.
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