SDN controller deployment method based on bat algorithm
A bat algorithm and controller technology, applied in the direction of digital transmission system, electrical components, transmission system, etc., can solve the problem of less possibility of network failure
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[0055] In the early stage of SDN development, a single controller can meet the needs of network management and management, because it is only suitable for small network topologies such as campus networks. However, with the gradual popularization of SDN, the number of forwarding devices and the demand for user plane applications are also increasing. All of these put forward more requirements on the processing capability of the controller. A single controller cannot meet the needs of the network and applications, because factors such as capacity limitations will lead to a high probability of single-point bottlenecks and failures. Therefore, SDN controller placement becomes a key issue for its development. The purpose of the present invention is to propose an optimal controller placement method based on the bat algorithm, which considers the load and propagation delay of the controllers to determine the optimal number and location of the controllers.
[0056] In the present inv...
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