Profile deformation of aggregated flows handled by premium and low priority services within the Géant network

  • Authors:
  • Jordi Mongay Batalla;Andrzej Bȩben;Albert Cabellos

  • Affiliations:
  • National Institute of Telecommunications, Warsaw;Warsaw University of Technology, Warsaw;Universitat Politècnica de Catalunya, Barcelona

  • Venue:
  • Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
  • Year:
  • 2010

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Abstract

When providing end-to-end QoS (Quality of Service), the provider of the service states to each network provider the amount of QoS traffic in the form of traffic descriptor. Nonetheless, the profile of the QoS traffic may deform by multiplexing in successive domains invalidating the traffic descriptor. Therefore, studying traffic profile deformation in the domains results crucial in QoS networks. This paper presents an exhaustive study of Poisson traffic within the Géant network, when the traffic is sent as high or low priority traffic. These studies try to give guidelines of the range of profile deformation in large-scale core networks for QoS implementation. The characteristic of the traffic studied is the self-similarity of the traffic, since self-similarity in Poisson-in-origin traffic indicates burstiness for larger time scales, what may cause unexpected dropping of packets in the policer.