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Bragg diffraction principle-based optical packet switching system and method

An optical packet switching and Bragg diffraction technology, applied in the field of optical packet switching and optical fiber communication, can solve the problems of low transmission efficiency, achieve high transmission efficiency, easy processing, and increase the label capacity.

Inactive Publication Date: 2013-02-13
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of low transmission efficiency in the existing optical label identification processing scheme, and propose an optical packet switching system and method based on the principle of Bragg diffraction

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  • Bragg diffraction principle-based optical packet switching system and method
  • Bragg diffraction principle-based optical packet switching system and method
  • Bragg diffraction principle-based optical packet switching system and method

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] Such as figure 1 As shown, the optical packet switching system based on the principle of Bragg diffraction includes an optical packet generation module 1, an optical payload and optical label separation module 2, a label processing module 3 and an optical switch module 4, and the optical packet generated by the optical packet generation module 1 passes through the optical fiber. The incoming optical payload and optical label separation module 2 is separated into two optical payloads and one optical label. The optical label and one optical payload enter the label processing module 3 and then output routing control signals to the optical switch module 4. The other optical payload directly enter the optical switch module 4 and output according to the routing control signal.

[0028] Such as figure 2 As shown, the specific structure of the optical packet switchin...

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Abstract

The invention relates to a Bragg diffraction principle-based optical packet switching system and a Bragg diffraction principle-based optical packet switching method. The system comprises an optical packet generating module, an optical payload and optical label separation module, a label processing module and an optical switching module, wherein an optical packet generated by the optical packet generating module enters the optical payload and optical label separation module after passing through a fiber and then is separated into two paths of optical payload and one path of optical label, a routing control signal is output to the optical switching module after the optical label and one path of optical payload enter the label processing module, and the other path of optical payload directly enters the optical switching module and is output according to the routing control signal. The system and the method have the advantage of high transmission efficiency.

Description

technical field [0001] The invention belongs to the technical field of optical fiber communication, in particular to the technical field of optical packet switching. Background technique [0002] The continuous increase of network packet traffic has put forward higher requirements for the switching capabilities of network nodes. To this end, people have proposed an Optical Packet Switching (Optical Packet Switching, OPS) technology, which is considered to be the development direction of the next generation optical network and has received widespread attention. The smallest particle of optical packet switching is optical packet, which is composed of two parts: optical payload and optical label. The optical payload is the data to be transmitted. It is always transmitted in the optical domain, which is equivalent to the data information transmitted in the optical transport network; the optical label It carries routing and switching information, and can perform photoelectric co...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00H04J14/02
Inventor 武保剑卢鑫邱昆
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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