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Performance of QoS agents for provisioning network resources
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå tekniska universitet.
1999 (English)In: 1999 Seventh International Workshop on Quality of Service: IWQoS '99, London, England, May 31 - June 4, 1999, Piscataway, NJ: IEEE Communications Society, 1999, 17-26 p.Conference paper (Refereed)
Abstract [en]

We have designed an agent-based architecture for quantitative service provisioning in differentiated services capable networks. For each link-state routing domain in the network there is a topology-aware QoS agent (also known as a bandwidth broker) responsible for admission control. The architecture provides resource reservations for aggregated virtual leased lines between network domains. In this paper, we present performance measurements for resource provisioning in a prototype QoS agent. This includes an evaluation of two data structures for advance reservations and accompanying algorithms. We also compare the cost for on-demand route computations with pre-computation of routes. The objective in this paper is to evaluate the performance of end-to-end admission control within a single link-state routing domain. In a domain with 15 routers, 28 transition networks and 64 stub networks, our prototype performs approximately 25000 end-to-end admission decisions per second. The results show that an ordinary PC can be used for running a QoS agent that performs path-sensitive admission control and maintains per link resource reservations in a link-state routing domain.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 1999. 17-26 p.
Research subject
Dependable Communication and Computation Systems
URN: urn:nbn:se:ltu:diva-27247DOI: 10.1109/IWQOS.1999.766474Local ID: 09c777a0-9774-11dc-ad7f-000ea68e967bISBN: 0-7803-5671-3OAI: diva2:1000430
International IWQoS conference : 01/06/1999 - 04/06/1999
Godkänd; 1999; 20071120 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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