Packing and unpacking method of ultra high-speed optical burst-switched network and system thereof

An optical burst, switching network technology, applied in the field of optical communication, can solve the problems of high price, limited OBS application, and the transmission rate of OBS network cannot be too high, and achieves the effects of low cost, low overall cost and simple structure

Inactive Publication Date: 2010-03-24
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

The disadvantage is that the transmission rate of the OBS network cannot be too high due to the limitation of the modulation rate of the modulator. At the same time, because the high-speed modulator is expensive and requires a high-speed detector at the destination, the further application of OBS is limited.

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  • Packing and unpacking method of ultra high-speed optical burst-switched network and system thereof
  • Packing and unpacking method of ultra high-speed optical burst-switched network and system thereof
  • Packing and unpacking method of ultra high-speed optical burst-switched network and system thereof

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Embodiment Construction

[0044] See figure 1 , The present invention provides a new type of package method for ultra-high-speed optical burst switching network, which includes the following steps:

[0045] 1) Converge the IP data packets of the electrical domain;

[0046] 2) Perform routing analysis on the aggregated IP data packets to generate offset time and form optical control packets;

[0047] 3) Modulate the IP data packet into an optical signal, and multiply the rate of the modulated optical signal to form an optical data packet;

[0048] 4) The optical control packet and the optical data are passed through the fiber coupler to form an optical burst packet, and the optical burst packet is sent out.

[0049] The specific implementation steps of modulating into an optical signal in the above step 3) are as follows:

[0050] 3.1) Determine whether the length of each IP data packet is equal?

[0051] 3.2) If yes, then directly modulate; if not, then padded zeros at the end of the short-length IP data packet un...

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Abstract

The invention relates to a packing and unpacking method of an ultra high-speed optical burst-switched network and a system thereof. The packing method comprises the following steps: 1) gathering an electric field IP data packet; 2) generating offset time after the gathered IP data packet is subject to route analysis, and forming an optical control packet; 3) modulating the IP data packet into an optical signal, and performing rate multiplication to the modulated optical signal to form an optical data packet; 4) forming a packet optical bursting packet by the optical control packet and the optical data packet, and transmitting the packet optical bursting packet. The invention provides the packing and unpacking method of ultra high-speed optical burst-switched network and the system thereof, which ensures that OBS network has high transmission rate, simple structure and low cost.

Description

Technical field [0001] The present invention relates to the field of optical communication technology, in particular to a novel method and system for grouping and unpacking an ultra-high-speed optical burst switching network. Background technique [0002] In the past ten years, the rapid growth of Internet transmission and the rapid progress of photonic technology have promoted the revolution of optical networks. According to different multiplexing modes, optical switching technologies can be divided into the following types: [0003] 1. Optical time division switching technology. Time division multiplexing is a multiplexing method commonly used in communication networks. Time division optical switching is to convert the time position t1 of the multiplexed optical signal into another time position t2 on the time axis. [0004] 2. Optical wavelength division switching technology. Optical wavelength division switching means that the optical signal does not undergo optical / electrical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04L1/00H04B10/08H04B10/17
Inventor 张建国解宜原
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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