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Design of wavelength-routed optical networks for packet switched traffic

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2 Author(s)
Banerjee, S. ; Dept. of Electr. Eng. & Comput. Sci., Stevens Inst. of Technol., Hoboken, NJ, USA ; Chen, C.

We consider the problem of designing logical optical network topology for a given physical topology (or fiber layout) and a given traffic demand matrix between the end-users. Traffic between the end-users is carried in a packet-switched form and the objective of our logical topology design is to minimize the maximum congestion on the logical links in the logical topology. The logical links are realized by wavelength continuous paths or lightpaths between end-users and they are routed via wavelength-selective routers. Note that a topology with lower maximum link congestion will allow its traffic demand matrix to be scaled up by a larger factor. In the logical topology each node is equipped with a limited number of optical transceivers, hence logical connections cannot be set-up between every pair of nodes. We present an improved bound for maximum congestion on any link in logical topology and present an algorithm for constructing a logical topology that reduces the maximum congestion on any logical link

Published in:

Communications, 1996. ICC '96, Conference Record, Converging Technologies for Tomorrow's Applications. 1996 IEEE International Conference on  (Volume:1 )

Date of Conference:

23-27 Jun 1996

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