Efficient routing in all-optical networks
STOC '94 Proceedings of the twenty-sixth annual ACM symposium on Theory of computing
Optimal wavelength routing on directed fiber trees
Theoretical Computer Science
Improved access to optical bandwidth in trees
SODA '97 Proceedings of the eighth annual ACM-SIAM symposium on Discrete algorithms
Limited Wavelength Conversion in All-Optical Tree Networks
ICALP '98 Proceedings of the 25th International Colloquium on Automata, Languages and Programming
Developments in wavelength division multiple access networking
IEEE Communications Magazine
Models of blocking probability in all-optical networks with and without wavelength changers
IEEE Journal on Selected Areas in Communications
Benefits of wavelength translation in all-optical clear-channel networks
IEEE Journal on Selected Areas in Communications
Request scheduling on WDM networks with tunable ADMs
ACOS'06 Proceedings of the 5th WSEAS international conference on Applied computer science
SIROCCO'09 Proceedings of the 16th international conference on Structural Information and Communication Complexity
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This paper proposes a polynomial-time algorithm for Minimum WDM/SONET Add/Drop Multiplexer Problem (MADM) on WDM directed fiber trees whether or not wavelength converters are used. It runs in time O(m2n), where n and m are the number of nodes of the tree and the number of the requests respectively. Incorporating T. Erlebach et al.'s work into the proposed algorithm, it also reaches the lower bound of the required wavelengths with greedy algorithms for the case without wavelength converters. Combined with some previous work, the algorithm reduces the number of required wavelengths greatly while using minimal number of ADMs for the case with limited wavelength converters. The experimental results show the minimal number of required ADMs on WDM directed fiber trees.