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A dynamic routing procedure for connections with quality of service requirements

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3 Author(s)
M. Nour ; Dept. d''Inf. et de Recherche Oper., Montreal Univ., Que., Canada ; A. Hafid ; M. Gendreau

Emerging high-speed networks will support a number of real-time services required by distributed multimedia applications, such as video-on-demand. To support these services, appropriate routing procedures should be used; upon receipt of a request to open a new connection with certain quality of service (QoS) requirements, an appropriate routing procedure calculates an “optimal” route (with respect to a certain cost function) which satisfies the connection requirements. Most existing routing procedures for real-time connections determine routes which satisfy only a subset of QoS requirements and optimize in terms of QoS information (e.g. a route with the smallest end-to-end delay). The authors present a routing procedure which finds a route, if it does exist, which satisfies the whole set of QoS requirements; the route could be optimal in terms of QoS information, money to pay for the utilization of network resources, or network reliability; it is up to the network operator to select the optimization criteria to be used by the routing procedure. They also describe how the proposed routing procedure can be used in ATM environment

Published in:

Local Computer Networks, 1997. Proceedings., 22nd Annual Conference on

Date of Conference:

2-5 Nov1997