Research Article

NSAF: An Approach for Ensuring Application-Aware Routing Based on Network QoS of Applications in SDN

Table 6

Execution time of the NSAF.

Framework elementExecution time

Collecting network status informationCollect network status information from the SDN controller every 10 s
Determining application QoS violationsPerform within 0.4 s to derive results
Route discovery to meet application QoSDijkstra’s algorithm: calculate one path within 0.3 s; genetic algorithm: derive various paths satisfying the QoS within 5 s