Optical switching method and system therefor

Details Optical switching method and system therefor Optical switching method and system therefor

2007-02-06

2007-02-06

Sedighian, M. R. (Department: 2613)

Optical communications

Multiplex

Optical switching

C398S045000, C398S046000, C398S057000, C370S389000

Reexamination Certificate

active

10152227

ABSTRACT:
A method capable of optical packet switching even in a case where physical optical data in an optical packet switch has not the shape of a packet but the shape of continuous data, and a system therefore are provided. The optical switching method includes the steps of (a) detecting input terminals into which an optical packet is input, of an optical switch and switching the optical packet to destination output terminals of the optical packet, and (b) when there are the input terminals into which the optical packet is not inputted in step (a), detecting other input terminals into which the optical packet, which direct an output terminal among the plurality of output terminals connected to the input terminals, is inputted, and searching a blank output terminal and switching dummy data from the input terminal to the blank output terminal. Data having the shape of all input optical packets and data having not the shape of a packet but another shape can be switched into output terminals without omission, and thus data output when input data have the shape of continuous data maintain the shape of the continuous data.

REFERENCES:
patent: 5018130 (1991-05-01), Suzuki et al.
patent: 5091905 (1992-02-01), Amada
patent: 6441935 (2002-08-01), Araki et al.
patent: 6871021 (2005-03-01), Graves et al.
Electronic Letters, Mar. 1, 1990, vol. 26, No. 5, pp. 288-289.

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