Evaluation of a differentiated services based implementation of a premium and an olympic service

  • Authors:
  • Volker Sander;Markus Fidler

  • Affiliations:
  • Central Institute for Applied Mathematics, Forschungszentrum Jülich GmbH, Jülich, Germany;Chair of Computer Science IV, RWTH Aachen, Aachen, Germany

  • Venue:
  • QofIS'02/ICQT'02 Proceedings of the 3rd international conference on quality of future internet services and internet charging and QoS technologies 2nd international conference on From QoS provisioning to QoS charging
  • Year:
  • 2002

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Abstract

In this paper we describe the implementation of a network providing advanced services such as a premium service that aims at providing low loss, low delay, and low delay jitter and an olympic service that allows for a service differentiation in terms of delay within three additional classes. Our implementation of this network is based on the Differentiated Services Architecture, which is the most recent approach of the Internet Engineering Task Force towards Quality of Service. Access to service classes is controlled by a Bandwidth Broker, which can perform Traffic Engineering by the means of Multiprotocol Label Switching. The premium service is implemented as Expedited Forwarding and the olympic service as a group of Assured Forwarding Per-Hop-Behavior. We present a thorough evaluation of the proposed services and their respective implementations.