A P2P Traffic Identification Method Based on VFDT

We analyzed the memory limitation problem of traffic identification arithmetic when faced the large and fast stream data, and extracted the traffic attribute based on the P2P working mechanism. Using VFDT method to identify the P2P traffic can scan the traffic data only once relying on the Hoeffding Restriction, the method reduce the complexity of algorithm on the part of timing and memory and ensure the identification correction rate. The experiment shows the method can get good performance.