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dc.contributor.authorCalvert, Kenneth L.en_US
dc.contributor.authorZegura, Ellen W.
dc.contributor.authorDonahoo, Michael J.
dc.date.accessioned2005-06-17T17:55:08Z
dc.date.available2005-06-17T17:55:08Z
dc.date.issued1995en_US
dc.identifier.urihttp://hdl.handle.net/1853/6685
dc.description.abstractMulticast routing is an important topic of both theoretical and practical interest. Some recently-proposed multicast routing algorithms involve the designation of one or more network nodes as the "center" of the routing tree for each multicast group address. The choice of this designated router (which we refer to as the "core") influences the shape of the multicast routing tree, and thus influences performance of the routing scheme. In this paper we investigate the relationship between the choice of core and three performance measures. Specifically, we compare various methods of selecting a core with respect to their effect on bandwidth, delay, and traffic concentration. We conclude that simple methods are adequate for widely distributed groups, but that the addition of group information can be leveraged to improve performance especially when the group is small or exhibits a high degree of locality. We also conclude that core choice has a significant impact on traffic concentration, in fact traffic concentration effects can be ameliorated by appropriate core choice policies.en_US
dc.format.extent226425 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoen_US
dc.publisherGeorgia Institute of Technologyen_US
dc.relation.ispartofseriesCC Technical Report; GIT-CC-95-15en_US
dc.subjectMulticast routing
dc.subjectAlgorithms
dc.subjectMulticast routing trees
dc.subjectScalability
dc.subjectNetwork modeling
dc.subjectCore choice policies
dc.subjectDesignated routers
dc.subjectBandwidth
dc.subjectDelays
dc.subjectTraffic concentration
dc.titleCore Selection Methods for Multicast Routingen_US
dc.typeTechnical Reporteng_US


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