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Article: A wavelength rerouting algorithm in wide-area all-optical networks
Title | A wavelength rerouting algorithm in wide-area all-optical networks |
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Authors | |
Keywords | Physics Optics |
Issue Date | 1996 |
Publisher | I E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=50 |
Citation | Journal Of Lightwave Technology, 1996, v. 14 n. 6, p. 1218-1229 How to Cite? |
Abstract | This paper considers rerouting and minimization of incurred disruption due to rerouting in a wide-area all-optical wavelength division multiplexed (WDM) network with random circuit arrivals and departures. One limitation of such a network is the wavelength continuity constraint imposed by the all-optical cross-connect switches which do not allow a circuit to be placed on a nonwavelength-continuous route. Wavelength rerouting is proposed to rearrange certain existing circuits to create a wavelength-continuous route in order to accommodate a new circuit. To reduce the disruption period, move-to-vacant wavelength-retuning (MTV_WR) is used as the basic operation of circuit migration, in which a circuit is moved to a vacant wavelength on the same path, and parallel MTV WR rerouting is used to reroute multiple circuits. An optimal algorithm is developed to minimize the weighted number of rerouted circuits with parallel MTV_WR rerouting. In our test network, wavelength rerouting can effectively alleviate the wavelength continuity constraint by reducing call blocking probability an average of 30% while reducing the number of rerouted circuits and the disruption period. |
Persistent Identifier | http://hdl.handle.net/10722/44841 |
ISSN | 2023 Impact Factor: 4.1 2023 SCImago Journal Rankings: 1.370 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lee, KC | en_HK |
dc.contributor.author | Li, VOK | en_HK |
dc.date.accessioned | 2007-10-30T06:11:24Z | - |
dc.date.available | 2007-10-30T06:11:24Z | - |
dc.date.issued | 1996 | en_HK |
dc.identifier.citation | Journal Of Lightwave Technology, 1996, v. 14 n. 6, p. 1218-1229 | en_HK |
dc.identifier.issn | 0733-8724 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/44841 | - |
dc.description.abstract | This paper considers rerouting and minimization of incurred disruption due to rerouting in a wide-area all-optical wavelength division multiplexed (WDM) network with random circuit arrivals and departures. One limitation of such a network is the wavelength continuity constraint imposed by the all-optical cross-connect switches which do not allow a circuit to be placed on a nonwavelength-continuous route. Wavelength rerouting is proposed to rearrange certain existing circuits to create a wavelength-continuous route in order to accommodate a new circuit. To reduce the disruption period, move-to-vacant wavelength-retuning (MTV_WR) is used as the basic operation of circuit migration, in which a circuit is moved to a vacant wavelength on the same path, and parallel MTV WR rerouting is used to reroute multiple circuits. An optimal algorithm is developed to minimize the weighted number of rerouted circuits with parallel MTV_WR rerouting. In our test network, wavelength rerouting can effectively alleviate the wavelength continuity constraint by reducing call blocking probability an average of 30% while reducing the number of rerouted circuits and the disruption period. | en_HK |
dc.format.extent | 1176505 bytes | - |
dc.format.extent | 4152649 bytes | - |
dc.format.extent | 23319 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | text/plain | - |
dc.language | eng | en_HK |
dc.publisher | I E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=50 | en_HK |
dc.relation.ispartof | Journal of Lightwave Technology | en_HK |
dc.rights | ©1996 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.subject | Physics | en_HK |
dc.subject | Optics | en_HK |
dc.title | A wavelength rerouting algorithm in wide-area all-optical networks | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0733-8724&volume=14&issue=6&spage=1218&epage=1229&date=1996&atitle=A+wavelength+rerouting+algorithm+in+wide-area+all-optical+networks | en_HK |
dc.identifier.email | Li, VOK:vli@eee.hku.hk | en_HK |
dc.identifier.authority | Li, VOK=rp00150 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1109/50.511623 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0030165751 | en_HK |
dc.identifier.hkuros | 27518 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0030165751&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 14 | en_HK |
dc.identifier.issue | 6 | en_HK |
dc.identifier.spage | 1218 | en_HK |
dc.identifier.epage | 1229 | en_HK |
dc.identifier.isi | WOS:A1996UT34600032 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Lee, KC=54679883900 | en_HK |
dc.identifier.scopusauthorid | Li, VOK=7202621685 | en_HK |
dc.identifier.issnl | 0733-8724 | - |