Date Added: Jan 2012
The aim of this research is to analyze aggregate network traffic for anomaly detection. The accurate and rapid detection of network traffic anomaly is crucial to enhance the effective operation of a network. It is often difficult to detect the time when the faults occur in a network. In this paper, a new algorithm is presented to monitor the aggregate network traffic to rapidly detect the time anomaly occurs in a network. This is accomplished by monitoring the statistical characteristics of the time series representing the network behavior. The technique analyzes the network behavior using fractal dimension and discrete stationary wavelet transform.