On the Integration of Best-Effort and Guaranteed Performance Services

Abstract : One of the main challenges of emerging high speed telecommunication networks is the integration of services. Both ATM as well as the INTERNET have been evolving so as to accomodate both best-effort type traffic (such as file transfer) as well as real time traffic requiring guaranteed performance. The co-existence of these two service types on the same network carries important benefits such as resource sharing between service classes, and the ability of the user to easily select an appropriate service class according to requirements and preferences. These benefits depend on efficient network management and resource sharing strategies. The aim of this paper is twofold. First, we study the performance measures of both service types, as a function of the network management strategy. This study allows us at a second phase to design efficient network management schemes. This includes questions such as whether best-effort traffic should use only bandwidth left-over by the guaranteed performance ones, or whether (and how much) bandwidth needs to be reserved to best-effort traffic. Another management issue that we study is the pricing. We allow for different classes of guaranteed-performance traffic to have different priorities with respect to the rejection probabilities.
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Rapport
RR-3222, INRIA. 1997
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Eitan Altman, Damien Artiges, Karim-Frédéric Traore. On the Integration of Best-Effort and Guaranteed Performance Services. RR-3222, INRIA. 1997. 〈inria-00073467〉

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