QoS-driven multicast tree generation using Tabu search

Habib Youssef, Abdulaziz Al-Mulhem*, Sadiq M. Sait, Muhammad Atif Tahir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

Many multimedia communication applications require a source to transmit messages to multiple destinations subject to Quality-of-Service (QoS) delay constraint. The problem to be solved is to find a minimum cost multicast tree where each source to destination path is constrained by a delay bound. This problem has been proven to be NP-complete. In this paper, we present a Tabu Search (TS) algorithm to construct a minimum cost delay bounded multicast tree. The proposed algorithm is then compared with many existing multicast algorithms. Results show that on almost all test cases, TS algorithm exhibits more intelligent search of the solution subspace and is able to find better solutions than other reported multicast algorithms.

Original languageEnglish
Pages (from-to)1140-1149
Number of pages10
JournalComputer Communications
Volume25
Issue number11-12
DOIs
StatePublished - 1 Jul 2002

Bibliographical note

Funding Information:
The authors acknowledge King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia, for supporting this research project.

Keywords

  • Multicast tree
  • Optimization
  • QoS routing
  • Shortest path
  • Tabu Search

ASJC Scopus subject areas

  • Computer Networks and Communications

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