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Minimizing number of wavelengths in multicast routing trees in WDM networks
Li, DY; Du, XF; Hu, XD; Lu, R; Jia, XH
2000-07-01
Source PublicationNETWORKS
ISSN0028-3045
Volume35Issue:4Pages:260-265
AbstractIn a WDM network under multihop architecture, each link is associated with a set of wavelengths available for channel connections, and in the network, the number of wavelengths that can be used is limited. Data transmission over one wavelength to another requires wavelength conversion, which causes a long delay. Given a multicast connection, routing is to construct a tree for the connection that is rooted from the source and connects all destinations. In this paper, we consider the problem of constructing a routing tree with a minimal number of wavelengths on the tree. We first prove that this problem is NP-hard and then propose an approximation algorithm, which produces a routing tree that has not only a small number of wavelengths but also a short delay from the source to all destinations. (C) 2000 John Wiley & Sons, Inc.
KeywordWDM networks multicast communication routing wavelength assignment wavelength conversion
Language英语
WOS Research AreaComputer Science ; Operations Research & Management Science
WOS SubjectComputer Science, Hardware & Architecture ; Operations Research & Management Science
WOS IDWOS:000087752700004
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/15425
Collection中国科学院数学与系统科学研究院
Affiliation1.City Univ Hong Kong, Dept Comp Sci, Kowloon, Hong Kong, Peoples R China
2.Cent China Normal Univ, Dept Math, Hubei 430079, Peoples R China
3.Univ Qiqihaer, Dept Math, Heilongjiang, Peoples R China
4.Chinese Acad Sci, Inst Appl Math, Beijing 100080, Peoples R China
5.Univ Minnesota, Dept Comp Sci, Minneapolis, MN 55455 USA
Recommended Citation
GB/T 7714
Li, DY,Du, XF,Hu, XD,et al. Minimizing number of wavelengths in multicast routing trees in WDM networks[J]. NETWORKS,2000,35(4):260-265.
APA Li, DY,Du, XF,Hu, XD,Lu, R,&Jia, XH.(2000).Minimizing number of wavelengths in multicast routing trees in WDM networks.NETWORKS,35(4),260-265.
MLA Li, DY,et al."Minimizing number of wavelengths in multicast routing trees in WDM networks".NETWORKS 35.4(2000):260-265.
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