Abstract
In most DiffServ networks there is a bandwidth broker (BB) that manages the network resources. One of the many tasks of this broker is to perform admission control on the flows entering the network. When there are many frequent calls, the network is large, or the admission control scheme is very complex, the bandwidth broker can become part of the problem instead of the solution. In those cases the broker might act as a bottleneck, limiting the number of flows entering the network and rejecting some of them even if there are still enough resources available. This is why distributed and hierarchical architectures of bandwidth brokers are needed. We introduce PoQBA: an algorithm that adapts book-ahead optimization to path oriented hierarchical broker architecture. The results show that the performance of this algorithm has several advantages compared to normal hierarchical systems and the Hose model.
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© 2007 Springer-Verlag Berlin Heidelberg
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Pena, E., Rios, M., Oberli, C., Marianov, V. (2007). PoQBA: A New Path Admission Control for Diffserv Networks. In: Enokido, T., Barolli, L., Takizawa, M. (eds) Network-Based Information Systems. NBiS 2007. Lecture Notes in Computer Science, vol 4658. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74573-0_45
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DOI: https://doi.org/10.1007/978-3-540-74573-0_45
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-74572-3
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