There is number of very complex and effective Mathematical modeling tools utilized to assess the Computer Networks Performance Analysis. Some are easier some more complex to use and do require proper training, mathematical and software skills.
In general, the representative network performance metrics are throughput/loss of packets, delay/latency, jitter (variation in delay), and mean waiting time in the queue.
However, for SDN, additionally, the following are the key performance metrics: end-to-end delay of packet delivery, percentage utilization of network resources (for instance bandwidth), and communication overhead between leader and slave nodes. For WSN, typically the life-span of the network, amount of energy consumed/conserved by wireless nodes, convergence of the routing algorithm are the metrics of interest.
How to evaluate the performance of the SDN. Which tool is the best
Abdul Jabbar Leghari kindly consult the following articles:
1) Methodology, measurement and analysis of flow table update characteristics in hardware openflow switches
Maciej Kuźniar Peter Perešíni Dejan Kostić MarcoCanini
2) OpenNetMon: Network Monitoring in OpenFlow Software-Defined Networks Niels L. M. van Adrichem, Christian Doerr and Fernando A. Kuipers Network Architectures and Services, Delft University of Technology Mekelweg 4, 2628 CD Delft, The Netherlands {N.L.M.vanAdrichem, C.Doerr, F.A.Kuipers}@tudelft.nl
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