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Traffic flow optimization in networks with combined OSPF/MPLS routing

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Author

  • Michal Zagozdzon
  • Mateusz Dzida
  • Michal Pioro

Summary, in English

In this paper we address intra-domain routing optimiza- tion issues in Internet networks related to a combination of Open Shortest Path First (OSPF) and Multi Protocol La- bel Switching (MPLS) routing protocols. Since MPLS can be combined with any routing protocol there has appeared an idea of coupling IP streams routed via the OSPF pro- tocol and MPLS Label Switched Paths (LSPs) in the same network. Such combined routing is potentially more flexible and efficient than OSPF itself from the traffic engineering (TE) viewpoint. In the paper we present the exact approach to the considered hybrid routing design using a strict math- ematical formulation of the underlying optimization prob- lem, and also a heuristic approach decomposing the prob- lem into two subproblems solved with evolutionary algo- rithm and simulated allocation. The effectiveness of both approaches is illustrated by means of a numerical study.

Publishing year

2007

Language

English

Pages

131-137

Publication/Series

[Host publication title missing]

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

15th International Conference on Advanced Computing and Communications ADCOM 2007

Conference date

2007-12-18 - 2007-12-21

Conference place

Guwahati, India

Status

Published

ISBN/ISSN/Other

  • ISBN: 0-7695-3059-1