On traffic locality and QoE in hybrid CDN-P2P networks

  • Authors:
  • Moisés Rodrigues;Márcio Neves;Josilene Moreira;Djamel Sadok;Arthur Callado;Per Karlsson;Victor Souza

  • Affiliations:
  • Univers. Federal de Pernambuco, Recife -- Brazil;Univers. Federal de Pernambuco, Recife -- Brazil;Univers. Federal de Pernambuco, Recife -- Brazil;Univers. Federal de Pernambuco, Recife -- Brazil;Universidade Federal do Ceará, Quixadá - Brazil;CDN and Cloud Computing Lab, Ericsson Research, Stockholm -- Sweden;CDN and Cloud Computing Lab, Ericsson Research, Stockholm -- Sweden

  • Venue:
  • Proceedings of the 44th Annual Simulation Symposium
  • Year:
  • 2011

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Abstract

Hybrid CDN-P2P applications, such as P2P applications, tend to sometimes ignore traffic costs at ISPs and generate large amounts of undesirable cross-ISP traffic. As blocking the traffic does not seem to solve the problem, some simple cooperation between the neighboring peers will be beneficial. In this case, some biased neighbor selection helps peers connecting to others within the same Autonomous System, hence keeping communication local. We developed a detailed simulation model to evaluate the problem and discovered that using a biased neighborhood selection in a hybrid CDN-P2P content network can even enhance user's quality of experience (QoE) and fundamentally reduce the cross-ISP traffic even with the presence of a transit ISP making de-localization decisions.