From Best Effort to Enhanced QoS

  • A. Danthine
  • O. Bonaventure
Chapter

Abstract

The new communication environment has brought new requirements on the qualities of service for which the present “best effort” semantics is inadequate. The response to this evolution goes through the definition of a new model of QoS for the lower layers. In the “best effort” model, when a service provider accepts a transmission with a given QoS, it does not commit itself to any duty about the way it will take account of this QoS. The “guaranteed” QoS requires resources reservation mechanisms which are not always available. We present in this paper new negotiation rules and a new semantics for the QoS. It allows a service user to express more accurately its requirements and implies for the service provider an obligation of behaviour.

Keywords

Service Provider Service User Transport Service Transport Protocol Service Facility 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 1994

Authors and Affiliations

  • A. Danthine
    • 1
  • O. Bonaventure
    • 1
  1. 1.Institut d’Electricité Montefiore, B-28Université de LiègeLiegeBelgium

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