Abstract
We propose a new lightpath routing algorithm for WDM optical networks that solves the routing and wavelength assignment (commonly known as RWA) problem dynamically and separately. The RWA problem is partitioned into two subproblems, the routing and wavelength assignment problems, and both of them are solved using the shortest path routing technique. For solving the routing subproblem, an auxiliary graph is created whereby the nodes and links in the original network are transformed to the edges and vertices, respectively, and the availability of each wavelength on the input and output links of a node as well as the number of available wavelength converters are taken into account in determining the weights of edges. Furthermore, for solving the wavelength assignment subproblem, an auxiliary graph is also utilized and the cost for wavelength conversion is taken into consideration in the edge weight function. Simulation results show that our algorithm performs much better than previously proposed algorithms in terms of blocking probability, especially if the number of wavelengths is large while the number of converters at each node is limited.
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References
R. Ramaswami and K.N. Sivarajan. Optical Networks-A Practical Perspective. Morgan Kaufmann Publishers, Inc., San Francisco, 1998.
T.E. Stern and K. Bala. Multiwavelength Optical Networks-A Layered Approach. Addison-Wesley Longman, Inc., 1999.
H.Y. Jeong, S.S. Lee, S.W. Seo, and B.S. Park. An adaptive distributed wavelength routing algorithm in WDM networks. In Proc. Globecom’00, pages 1259–1263, 2000.
L. Li and A. Somani. Dynamic wavelength routing using congestion and neighborhood information. IEEE/ACM Trans. Networking, 7(5):779–786, October 1999.
W. Liang, G. Havas, and X. Shen. Improved lightpath (wavelength) routing in large WDM networks. In Proc. IEEE 16th ICDCS’98, pages 516–523, 1998.
Z. Zhang and A.S. Acampora. A heuristic wavelength assignment algorithm for multihop WDM networks with wavelength routing and wavelength re-use. IEEE/ACM Trans. Networking, 3(3):281–288, June 1995.
T. Fabry-Asztalos, N.M. Bhide, and K. M. Sivalingam. Adaptive weight functions for shortest path routing algorithms for multi-wavelength optical WDM networks. In Proc. IEEE ICC’00, pages 1330–1334, June 2000.
K.C. Lee and V.O.K. Li. A wavelength-convertible optical network. J. Lightwave Tech., 11(5/6):962–970, May/June 1993.
E. Karasan and E. Ayanoglu. Effects of wavelength routing and selection algorithms on wavelength conversion gain in WDM optical networks. IEEE/ACM Trans. Networking, 6(2):186–196, April 1998.
A. Mokhtar and M. Azizoglu. Adaptive wavelength routing in all-optical networks. IEEE/ACM Trans. Networking, 6(2):197–206, April 1998.
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© 2002 Springer-Verlag Berlin Heidelberg
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Taira, K., Zhang, Y., Takagi, H., Das, S.K. (2002). Efficient Lightpath Routing in Wavelength-Routed Optical Networks. In: Chong, I. (eds) Information Networking: Wired Communications and Management. ICOIN 2002. Lecture Notes in Computer Science, vol 2343. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45803-4_27
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DOI: https://doi.org/10.1007/3-540-45803-4_27
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