A detailed measurement of skype network traffic

  • Authors:
  • Dario Rossi;Marco Mellia;Michela Meo

  • Affiliations:
  • ENST ParisTech, INFRES;Politecnico di Torino, DELEN;Politecnico di Torino, DELEN

  • Venue:
  • IPTPS'08 Proceedings of the 7th international conference on Peer-to-peer systems
  • Year:
  • 2008

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Abstract

The last few years witnessed peer-2-peer (P2P) and VoIP telephony gaining a tremendous popularity: Skype is beyond doubt the most amazing example of this new phenomenon, as its 170 millions users testify. In this paper, we propose a detailed measurement of Skype sources: we adopt a twofold methodology, using active experiments and passive measurement to gain knowledge about the traffic Skype generates, in a controlled and realistic environment, respectively. The analysis considers both signaling traffic as well as voice calls. Furthermore, we address the description of Skype sources at both packet- and flow-levels: we describe fine-grained dynamics of the interaction between Skype and the network, as well as provide a macroscopic characterization of Skype traffic.