Internet traffic shaping for IP over WDM links with source output buffering or multiple parallel wavelengths

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dc.contributor.authorAracil Rico, Javier
dc.contributor.authorIzal Azcárate, Mikel
dc.contributor.authorMorató Osés, Daniel
dc.contributor.departmentAutomática y Computaciónes_ES
dc.contributor.departmentAutomatika eta Konputazioaeu
dc.date.accessioned2016-08-30T09:14:36Z
dc.date.available2016-08-30T09:14:36Z
dc.date.issued2001
dc.description.abstractSince the number of wavelengths per fiber is growing in an exponential fashion the over- flow traffic can be routed through overflow lightpaths, thus providing an ideal network with near-infinite capacity and almost no-buffering. Such unprecedented bandwidth growth in the network backbone is only limited by the processing speed of the electronic elements. Even though multiple parallel high-speed channels (lightpaths) are provided between IP routers the switching speed of the latter is an order of magnitude below the lightpath transmission speed. As a result, minimizing transfer delay is not only a matter of forwarding traffic as fast as possible but to shape traffic so that the input queues of the destination routers do not over-flow. Even though it is desirable to exploit the WDM capabilities to forward traffic in parallel channels in order to nearly eliminate the router output buffering, it turns out that the extreme burstiness of Internet traffic is even increased by routing part of the traffic through a backup channel. Instead, the use of source output buffering for traffic shaping purposes proves more beneficial. In this paper, we examine the typical scenario of a static WDM network with several wavelengths between IP routers. In a simple configuration of a primary and over flow lightpath the results show that if 3% of the traffic is routed through the over flow lightpath then the packet forwarding speed in the destination router should be increased in 20% in order to obtain the same transfer delay as with the single lightpath configuration with source output buffering.en
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.1023/A:1017267230889
dc.identifier.issn1388-6916 (Print)
dc.identifier.issn1572-8161 (Electronic)
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/21602
dc.language.isoengen
dc.publisherKluwer Academic Publishersen
dc.relation.ispartofOptical Networks Magazine, January/February 2001, n. 1, vol. 2, pp. 61-68en
dc.relation.publisherversionhttps://dx.doi.org/10.1023/A:1017267230889
dc.rights© Kluwer Academic Publishers 2001en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.subjectInternet trafficen
dc.subjectIP routersen
dc.subjectWPMen
dc.subjectSource output bufferingen
dc.subjectMultiple parallel wavelengthen
dc.titleInternet traffic shaping for IP over WDM links with source output buffering or multiple parallel wavelengthsen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dspace.entity.typePublication
relation.isAuthorOfPublication703a529b-6c50-49da-af90-f87d4beee2c5
relation.isAuthorOfPublicationf829a159-0938-45d1-a352-d28fb297ed0b
relation.isAuthorOfPublicationcd454059-725e-480a-b896-894e79f307a5
relation.isAuthorOfPublication.latestForDiscovery703a529b-6c50-49da-af90-f87d4beee2c5

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