Simulation of peer-to-peer streaming over large-scale networks using OPSS

  • Authors:
  • Lorenzo Bracciale;Francesca Lo Piccolo;Stefano Salsano;Dario Luzzi

  • Affiliations:
  • DIE, University of Rome "Tor Vergata", Italy;DIE University of Rome "Tor Vergata", Italy;DIE, University of Rome "Tor Vergata", Italy;DIE University of Rome "Tor Vergata", Italy

  • Venue:
  • Proceedings of the 2nd international conference on Performance evaluation methodologies and tools
  • Year:
  • 2007

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Abstract

In this paper we present OPSS, an Overlay Peer-to-peer Streaming Simulator designed to simulate a large scale (i.e. in the order of 100K nodes) peer-to-peer streaming systems. OPSS is able to simulate a fair (i.e. "TCP-like") sharing of the uplink and downlink bandwidth among different connections, and it guarantees extensibility by allowing the implementation of different peer-to-peer streaming algorithms as separate modules. Therefore it allows to simulate the behavior of arbitrary tree-based or mesh-based approaches. In particular, we implemented two trivial tree-based and mesh-based approaches for which we could easily find an analytic model of chunk distribution delay. The results of the model have been compared with the simulation output, showing an excellent fit. Source code of OPSS is available under the GPL license.