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Adaptive switch network routing algorithm based on Clos and T-S-T

A T-S-T, switching network technology, applied in the field of adaptive switching network routing algorithm, to achieve the effect of routing scheduling and large-capacity routing scheduling

Active Publication Date: 2018-05-15
TOEC TECH
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Problems solved by technology

[0005] In view of the coexistence of connection-oriented SDH standard and connectionless Ethernet packet switching in the current transmission network, in order to solve the problem of adaptive switching of SDH signals and 10GE signals, the present invention provides an adaptive switching network based on Clos and T-S-T routing algorithm

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  • Adaptive switch network routing algorithm based on Clos and T-S-T

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] This system needs to solve the problem of adaptive switching under various access signals. 10GE signals need to realize channel switching through the system, SDH signals need to realize time slot switching through the system, channel switching can be realized through switching chips, and time slot switching needs to be realized through FPGA , so multi-level switching chips and FPGAs are used to build an adaptive switching system, and different paths are selected for output according to different access signals.

[0034] The system is physically divided into three parts, input stage, intermediate stage and output stage. In order to realize the adaptive switching of SDH signals and 10GE signals, it is necessary to combine the Clos network and the T-S-T network. For 10GE signals, non-blocking channel switching is realized through the Clos network, which consists o...

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Abstract

The invention discloses an adaptive switch network routing algorithm based on Clos and T-S-T. In the algorithm provided by the invention, a Clos network and a T-S-T network are used, the adaptive switch network routing algorithm of a SDH signal and a 10GE signal is realized through a mode of label path; a 10GE signal routing algorithm and a SDH signal routing algorithm respectively comprise newlyestablishing a routing program and deleting the routing program. The adaptive switch network routing algorithm based on Clos and T-S-T produces the following beneficial effects: combined with a Clos three-level switch network and a T-S-T three-level switch network, the adaptive switch network is formed, and a large-capacity cross network is designed through a mode of cascading of the Clos networkand the T-S-T network, and adaptive switch of the SDH signal and the 10GE signal is realized through a mode of label path. Through the algorithm, large-capacity adaptive switch network routing scheduling can be realized.

Description

technical field [0001] The invention relates to the fields of optical communication and transmission network, in particular to an adaptive switching network routing algorithm based on Clos and T-S-T. It specifically involves Clos switching network, T-S-T three-level switching network, 10GE signal switching, and SDH signal switching. Background technique [0002] The Clos three-level switching network is a common topology that uses basic switching units to build a large-scale switching network. Most current large-capacity switching network topologies use this structure. The basic structure of the N*N Clos network is as follows figure 1 As shown, N is the number of input ports and output ports. The first-level exchange unit is n*m Crossbar, and there are r units in total, let r=N / n, the third-level exchange unit is m×n Crossbar, and there are also r units, and the middle-level exchange unit is r×r There are m Crossbars in total. This three-level Clos network can be denoted...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04Q11/06
CPCH04Q11/0005H04Q11/0062H04Q11/0067H04Q11/06H04Q2011/0056H04Q2011/0058H04Q2011/0064H04Q2011/0073
Inventor 贾朋朋张晓峰陈伟峰孙静王尧
Owner TOEC TECH
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