Research on Measurement of Network Bandwidth Based on Adaptive Packet Pair Algorithm

Packet Pair (PP) algorithm is the primary Method for measurement of network bandwidth bottleneck: Due to the limitations of clock granularity, the traditional PP algorithm has connatural measure error; and the precision of measurement can not be guaranteed when the clock resolving is larger than the interval between detecting packets. This paper proposes a PP algorithm for adaptive network bandwidth environment. The algorithm can adjust the size of detecting packets dynamically according to practical bandwidth, and reduce the impact of clock-resolution on the measurement accuracy. The experimental results show that Adaptive Packet Pair (APP) algorithm can achieve higher veracity and stability than traditional PP algorithm.