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Article: Wavelength-routed networks with lightpath data interchanges

TitleWavelength-routed networks with lightpath data interchanges
Authors
KeywordsOptical time division multiplexing
Tunable wavelength converters
Wavelength division multiplexing
Wavelength-routed networks
Issue Date2010
PublisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=4563700
Citation
Journal Of Optical Communications And Networking, 2010, v. 2 n. 7, p. 415-426 How to Cite?
AbstractWe observe that tunable wavelength converters (TWCs) that are traditionally installed in wavelength-routed (WR) networks for wavelength contention resolution can be further utilized to provide fast data switching between lightpaths. This allows us to route a data unit through a sequence of lightpaths from source to destination if a direct single lightpath connection is not available or if we want to minimize the overhead of setting up new lightpaths. Since TWCs have a tuning time of picoseconds, it may be possible to use the installed TWCs as lightpath data interchanges (LPIs) to improve the performance of WR networks without significant optical hardware upgrade. Compared with the multihop electronic grooming approach of lightpath networks, the LPI approach has a simpler WR node architecture, does not need expensive high-speed electrical multiplexers/routers, and does not sacrifice the bit-rate/format transparency of data between the source and destination. Our simulation results show that WR networks with LPIs can have much lower blocking probability than WR networks without LPIs if the traffic duration is short. We show that LPIs can also be used to provide new data transportation services such as optical time division multiplexing access (OTDMA) time-slotted service in WR networks. © 2010 OSA.
Persistent Identifierhttp://hdl.handle.net/10722/124740
ISSN
2015 Impact Factor: 2.183
2015 SCImago Journal Rankings: 1.306
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong Polytechnic University1-0512
University of Hong Kong Strategic Research Theme of Information Technology
Funding Information:

This research was supported by a grant from the Hong Kong Polytechnic University (project number 1-0512) and the University of Hong Kong Strategic Research Theme of Information Technology.

References

 

DC FieldValueLanguage
dc.contributor.authorLi, CYen_HK
dc.contributor.authorCai, Len_HK
dc.contributor.authorWai, PKAen_HK
dc.contributor.authorLi, VOKen_HK
dc.contributor.authorXu, Aen_HK
dc.date.accessioned2010-10-31T10:51:25Z-
dc.date.available2010-10-31T10:51:25Z-
dc.date.issued2010en_HK
dc.identifier.citationJournal Of Optical Communications And Networking, 2010, v. 2 n. 7, p. 415-426en_HK
dc.identifier.issn1943-0620en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124740-
dc.description.abstractWe observe that tunable wavelength converters (TWCs) that are traditionally installed in wavelength-routed (WR) networks for wavelength contention resolution can be further utilized to provide fast data switching between lightpaths. This allows us to route a data unit through a sequence of lightpaths from source to destination if a direct single lightpath connection is not available or if we want to minimize the overhead of setting up new lightpaths. Since TWCs have a tuning time of picoseconds, it may be possible to use the installed TWCs as lightpath data interchanges (LPIs) to improve the performance of WR networks without significant optical hardware upgrade. Compared with the multihop electronic grooming approach of lightpath networks, the LPI approach has a simpler WR node architecture, does not need expensive high-speed electrical multiplexers/routers, and does not sacrifice the bit-rate/format transparency of data between the source and destination. Our simulation results show that WR networks with LPIs can have much lower blocking probability than WR networks without LPIs if the traffic duration is short. We show that LPIs can also be used to provide new data transportation services such as optical time division multiplexing access (OTDMA) time-slotted service in WR networks. © 2010 OSA.en_HK
dc.languageengen_HK
dc.publisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=4563700en_HK
dc.relation.ispartofJournal of Optical Communications and Networkingen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsJournal of Optical Communications and Networking. Copyright © IEEE.-
dc.rights©2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.subjectOptical time division multiplexingen_HK
dc.subjectTunable wavelength convertersen_HK
dc.subjectWavelength division multiplexingen_HK
dc.subjectWavelength-routed networksen_HK
dc.titleWavelength-routed networks with lightpath data interchangesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1943-0620&volume=2&issue=7&spage=415&epage=426&date=2010&atitle=Wavelength-routed+networks+with+lightpath+data+interchangesen_HK
dc.identifier.emailLi, VOK:vli@eee.hku.hken_HK
dc.identifier.authorityLi, VOK=rp00150en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1364/JOCN.2.000415en_HK
dc.identifier.scopuseid_2-s2.0-78649783866en_HK
dc.identifier.hkuros181382en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78649783866&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume2en_HK
dc.identifier.issue7en_HK
dc.identifier.spage415en_HK
dc.identifier.epage426en_HK
dc.identifier.isiWOS:000279429600003-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLi, CY=36063768300en_HK
dc.identifier.scopusauthoridCai, L=7401563418en_HK
dc.identifier.scopusauthoridWai, PKA=7005475453en_HK
dc.identifier.scopusauthoridLi, VOK=7202621685en_HK
dc.identifier.scopusauthoridXu, A=7202655457en_HK

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