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Optical path structure of bust ring network node based on fixed transmission tunable reception

An optical burst and node technology, applied in the field of optical communication, can solve the problems of no processing of external node data wavelength, whether to support wavelength broadcasting, etc., and achieve the effect of convenient and flexible network upgrade.

Inactive Publication Date: 2007-08-08
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0010] 2) The downlink of the data wavelength required by the local node can be completed, but the data wavelength of the external node is not processed in any way;
However, these solutions still have many shortcomings in terms of implementation complexity, wavelength utilization, and whether they support wavelength broadcasting.

Method used

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  • Optical path structure of bust ring network node based on fixed transmission tunable reception
  • Optical path structure of bust ring network node based on fixed transmission tunable reception

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Embodiment Construction

[0034] On the basis of comprehensive consideration of implementation complexity, wavelength utilization, and whether it supports wavelength broadcasting, the optical path structure of the ring network node provided by the present invention is specially designed for the mode of fixed wavelength transmission and tunable wavelength reception (ie FTTR) . The basic idea of ​​the FTTR mode is to let each network node have some fixed local wavelengths, local data is carried on it, coupled to the ring network fiber, broadcast to each node of the ring network, and finally use the tunable receiving device at the destination node Perform wavelength selective drop. Which wavelength the control destination node drops off is determined by the control information carried on the control wavelength independent of the data wavelength. That is to say, the add port of each network node is fixedly assigned a wavelength, and a tunable receiving device is used at the receiving end to select the dat...

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Abstract

The invention discloses one light burst ring network point path structure based on fix attuning light, which comprises the following parts: de-multiplexer, first light split, light plug multiple device, multiplexer, light amplifier, second light split device, attuning receiver set and wave converter, wherein, the de-multiplexer, first light split device, light plug multiplexer device and multiplexer are connected and first split device divides out other path and light amplifier device and second light split are connected and the second light split device and attuning receiver parts.

Description

technical field [0001] The present invention relates to an Optical Burst Switching Ring Network (OBSRN, Optical Burst Switching Ring Network) node optical path structure, in particular to an Optical Burst Switching Ring Network based on a Fixed Transmitter Tunable Receiver (FTTR, Fixed Transmitter Tunable Receiver) working mode A node optical path structure belongs to the technical field of optical communication. Background technique [0002] With the rapid development of network technology, the communication service itself is undergoing profound changes, and the data service represented by the Internet begins to exceed the traditional voice service. The self-similarity and burstiness of the data service itself make the traditional time-division multiplexing-based optical communication technology no longer the best choice, and the massive amount of information to be transmitted in the data service also makes the bandwidth of the traditional network in danger of exhaustion. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/42H04Q11/00H04J14/02
Inventor 纪越峰文敢王宏祥
Owner BEIJING UNIV OF POSTS & TELECOMM
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