i have a mathematical model of the controller placement problem and i want to write a program using C as a language of programming,
this program he can find the optimal number of controllers that must installed in a Software Defined Network (SDN) and i don't know how to model the of switcher and the set of controllers in this program.
You need to define an optimization problem at first, then you can use an appropriate meta-heuristic algorithm (e.g. any particle swarm based algorithm) to solve for optimum solution.
Dear Faiez, could you give an example that can explain your problem clearly.
modelising the set of switchers and of controllers in a program, SDN controllers direct traffic according to forwarding policies that a network operator puts in place, thereby minimizing manual configurations for individual network devices. By taking the control plane off of the network hardware and running it instead as software, the centralized controller facilitates automated network management and makes it easier to integrate and administer business applications. SDN controllers are used in data center networks. As SDN technology evolved, however, the WAN became a compelling use case, driving the growth of software-defined WAN (SD-WAN) technology. An SD-WAN controller performs many of the same duties as an SDN controller, following policy configurations to direct WAN traffic over the most efficient route.
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