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A Multi-path Routing Algorithm for IP Networks Based on Flow Optimisation

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From QoS Provisioning to QoS Charging (QofIS 2002, ICQT 2002)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2511))

Abstract

Intra-domain routing in the Internet normally uses a single shortest path to forward packets towards a specific destination with no knowledge of traffic demand. We present an intra-domain routing algorithm based on multi-commodity flow optimisation which enable load sensitive forwarding over multiple paths. It is neither constrained by weight-tuning of legacy routing protocols, such as OSPF, nor requires a totally new forwarding mechanism, such as MPLS. These characteristics are accomplished by aggregating the traffic flows destined for the same egress into one commodity in the optimisation and using a hash based forwarding mechanism. The aggregation also results in a reduction of computational complexity which makes the algorithm feasible for on-line load balancing. Another contribution is the optimisation objective function which allows precise tuning of the tradeoff between load balancing and total network efficiency.

Supported in part by Telia Research AB.

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Author information

Authors and Affiliations

  1. SICS — Swedish Institute of Computer Science, Sweden

    Henrik Abrahamsson, Bengt Ahlgren, Juan Alonso, Anders Andersson & Per Kreuger

Authors
  1. Henrik Abrahamsson
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  2. Bengt Ahlgren
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  3. Juan Alonso
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  4. Anders Andersson
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  5. Per Kreuger
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Editor information

Editors and Affiliations

  1. Information Systems Laboratory, IIS, University of Federal Armed Forces Munich, UniBwM, Werner-Heisenberg-Weg 39, 85577, Neubiberg, Germany

    Burkhard Stiller

  2. Computer Engineering and Networks Laboratory, TIK, Swiss Federal Institute of Technology Zurich, ETH Zurich, Gloriastr. 35, 8092, Zurich, Switzerland

    Burkhard Stiller

  3. Fraunhofer Institute FOKUS, Kaiserin-Augusta-Allee 31, 19589, Berlin, Germany

    Michael Smirnow

  4. Multimedia Communications Lab, KOM, Darmstadt University of Technology, Merckstr. 25, 64283, Darmstadt, Germany

    Martin Karsten

  5. Forschungszentrum Wien, FTW, Donau-City-Str. 1, 1220, Wien, Austria

    Peter Reichl

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© 2002 Springer-Verlag Berlin Heidelberg

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Abrahamsson, H., Ahlgren, B., Alonso, J., Andersson, A., Kreuger, P. (2002). A Multi-path Routing Algorithm for IP Networks Based on Flow Optimisation. In: Stiller, B., Smirnow, M., Karsten, M., Reichl, P. (eds) From QoS Provisioning to QoS Charging. QofIS ICQT 2002 2002. Lecture Notes in Computer Science, vol 2511. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45859-X_13

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  • DOI: https://doi.org/10.1007/3-540-45859-X_13

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-44356-8

  • Online ISBN: 978-3-540-45859-3

  • eBook Packages: Springer Book Archive

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