New ILP formulations for multicast routing in sparse-splitting optical networks

Authors:
Ju-Won Park;Chan-Kyou Hwang;Young-Woo Lee
Affiliations:
Korea Telecom R&D Laboratory, Deajeon, Republic of Korea;Korea Telecom R&D Laboratory, Deajeon, Republic of Korea;Korea Telecom R&D Laboratory, Deajeon, Republic of Korea
Venue:
Proceedings of the 8th International Conference on Network and Service Management
Year:
2012

Citing 4
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Abstract

This paper investigates the route optimization of multicast session in a sparse-splitting optical network. The main objective is to minimize the total cost of wavelength channels utilized by the light-tree while satisfying required QoS parameters. In this paper, both the optical-layer constraints (e.g., optical signal power) and application-layer requirements (e.g., end-to-end delay and inter-destination delay variation) are considered as the QoS parameters. Integer Linear Programming (ILP) formulations to solve the optimal multicast routing problem with the given QoS parameters are presented.