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Routing and time-slot assignment in optical TDM networks

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3 Author(s)
An Chen ; Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., China ; Wong, A.K.-S. ; Chin-Tau Lea

Optical time-division multiplexing (O-TDM) networks can provide a finer bandwidth granularity than wavelength-division multiplexing networks, and will play an important role in future all-optical networks. Since optical buffers are expensive, a small buffer size will be the characteristic of O-TDM systems. This paper analyzes the problem of routing and time-slot assignment in O-TDM networks. The results lead to the proposal of a Dijkstra-like shortest-path routing scheme that intends to maximize the performance of an optical network with a small number of optical buffers. Performance evaluation of the proposed scheme is also presented.

Published in:

Selected Areas in Communications, IEEE Journal on  (Volume:22 ,  Issue: 9 )