波长动态调度TWDM光接入网中的生存性保证

doi:10.11959/j.issn.1000-0801.2015220

Abstract

Abstract:

It is a key technical problem to locate failure correctly and perform protection switching for strong survivability in time and wavelength division multiplexing（TWDM）optical access network with dynamic wavelength scheduling. To solve the above problem, a cost-effective survivability protection scheme using control channel for fault location and based on dynamic wavelength scheduling was presented. For the scheme, the quantitative comprehensive analysis of survivability and cost was carried on. Analysis and calculations show that at the best the proposed scheme can pay only 1% of the cost for survivability protection and bring in 54% improvement in survivability. The proposed scheme can finish protection switching within 50 ms.

Key words: optical access network, survivability, cost, time and wavelength division multiplexing

Xintian Hu,Zhiguo Zhang,Xue Chen. Survivability Protection in TWDM Optical Access Network with Dynamic Wavelength Scheduling[J]. Telecommunications Science, 2015, 31(9): 156-162.

Figures/Tables 6

References 22

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方案名称		相对生存性			相对成本
方案名称	m=1	m=2	m=10	亚洲		欧洲
无保护	100%	100%	100%	100%		100%
所提方案	107%	114%	154%	104%		101%
环型树主干光纤保护方案	110%	120%	201%	110%		119%

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Survivability Protection in TWDM Optical Access Network with Dynamic Wavelength Scheduling

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