Chapter 1: Invited Addresses and Tutorials on Signals, Coding,
  Systems and Intelligent Techniques

Title: On Traffic Engineering in Survivable Multi-service Backbone Networks

Author(s): Vasilios Pasias, Dimitris Karras, Rallis C. Papademetriou

Address: Department of Electronic and Computer Engineering, University of Portsmouth and Hellenic Aerospace Industry (AMEC group) | Technical Institute of Chalkis and Hellenic Aerospace Industry (AMEC group) | Department of Electronic and Computer Engineering, University of Portsmouth and Hellenic Aerospace Industry (AMEC group)

Reference: 12th International Workshop on Systems, Signals and Image Processing pp. 159 - 164

Abstract/Summary: This paper presents two new off-line Traffic Engineering methods for multiservice backbone networks capable of surviving against single or multiple node and/or link failure(s). In multi-service backbone networks, traffic with different Quality of service (QoS) requirements together with Best-Effort (BE) traffic without QoS requirements inhere. Both methods provide the primary and where required the backup routes for the QoS-guaranteed flows and the routes for the BE flows. The one method is based on a novel Linear Programming (LP) TE optimisation problem while the other method involves a heuristic TE algorithm, which is based on Graph Theory. Test results regarding the two offline TE methods are presented.

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