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Erschienen in:
01.05.2013
Design of a method for encrypted P2P traffic identification using K-means algorithm
Erschienen in: Telecommunication Systems | Ausgabe 1/2013
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Abstract
Peer-to-Peer (P2P) plays an important role in the domain of Internet application, such as file sharing and instance communication. However, for the characteristic of bandwidth-intensive, P2P traffic identification is especially important in network management, which has been a hot topic in recent years. Based on the review of shortages of current existed technologies, a k-means algorithm based method was brought forward to identify the P2P traffic. For the reason that K-Means is one of the quickest and simplest clustering methods, it was selected as the core algorithm. In addition, the process of flow-information extraction and the descriptions of selected traffic attribute were also introduced in detail. Since the BT file-sharing traffic mainly runs over TCP, we only extract the flow-information of TCP connections. Finally, the experiments on 3 common used P2P applications, which are BitTorrent, BitSpirit and eMule, demonstrated the validity and efficiency of the method.