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A Novel Bandwidth Broker Architecture Based on Topology Aggregation in Delay|Bandwidth Sensitive Networks

  • Walid Htira
  • Olivier Dugeon
  • Michel Diaz
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4982)

Abstract

Either in flow-based or class-based QoS architectures, controlling the admission of traffic entering the network becomes a crucial task in the new telecom services. The Bandwidth Broker BB architecture is one of the efficient admission control solutions. In this paper, we present a novel bandwidth broker architecture for scalable support of guaranteed services based on the concept of topology aggregation. Indeed, the bandwidth broker does not manage all the detailed information, about topology and reservation, stored in the admission control database. Instead, it uses an aggregated representation in order to decide if a new service request can be accepted or rejected. We demonstrate that the reduction of the amount of information managed by the bandwidth broker enhance the performance of the admission control function thereby increasing the overall call processing capability.

Keywords

Admission control bandwidth broker topology aggregation service guarantee 

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Copyright information

© IFIP International Federation for Information Processing 2008

Authors and Affiliations

  • Walid Htira
    • 1
  • Olivier Dugeon
    • 1
  • Michel Diaz
    • 2
  1. 1.Orange LabsFrance
  2. 2.Universite de ToulouseFrance

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