Joint routing and resource allocation in optical transport networks

Yang Su; Zhan-qi Xu; Zeng-ji Liu

doi:10.1007/BF03033639

Optoelectronics Letters ›› 2006, Vol. 2 ›› Issue (6) : 449 -451. DOI: 10.1007/BF03033639

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Joint routing and resource allocation in optical transport networks

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Abstract

A layered network model for optical transport networks is proposed in this paper, which involves IP, SDH and WDM layers. The strategy of Dynamic Joint Routing and Resource Allocation (DJRRA) and its algorithm description are also presented for the proposed layered network model. DJRRA optimizes the bandwidth usage of interface links between different layers and the logic links inside all layers. The simulation results show that in contrast to the classical separate sequential routing and resource allocation solutions, DJRRA can reduce the blocking probability and increase network throughput effectively.

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Yang Su, Zhan-qi Xu, Zeng-ji Liu. Joint routing and resource allocation in optical transport networks. Optoelectronics Letters, 2006, 2(6): 449-451 DOI:10.1007/BF03033639

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