adapted routing algorithm the overlay multicast161覆盖多播适应路由算法.pdf

Proceedingsof2007InternationalSymposiumonIntelligentSignalProcessingandCommunicationSystemsNov.28-Dec.1,2007Xiamen,

ADAPTEDROUTINGALGORITHMINTHEOVERLAYMULTICAST

ZhaopingWang,XuesongCao,RuiminHu

NationalEngineeringResearchCenterforMultimediaSoftware

WuhanUniversity,HubeiProvince,

changeonthecurrentInternetinfrastructure.Therefore,the

Application-layermulticastalsowascalledoverlay

Withtherapidgrowthofmultimediaapplications,Internetmulticast.Overlaymulticastembodiesthetrendthatthe

hasbeenbecomingcrowded.IPmulticastwasproposedtoemphasisofnetworkserviceresearchisshiftingfrom

helpthissituation,butnotwidelydeployedforitsscalabilitynetworktoapplicationlayerinthenextgenerationInternet,

andfundamentalnetworkrequirementproblem.anditscoreproblemishowtobuildoverlaymulticast

Application-layermulticast(alsocalledOverlaymulticast)routingsatisfiedbyapplications.

isanattractivealternativesolution.Inthispaper,weOneoftheoverlaymulticastsadvantagesisthatrouting

developedanadaptedroutingalgorithmofoverlaynetworksalgorithmscanbetailoredtosatisfydifferentapplication

toprovidescalablemulticastservicesontheInternet.Theusages.Sowedesignedaroutingmodelforattwopurposes:

algorithmdefinesanoptimalbalancetreetooptimizetheminimizedelay,andminimizebandwidthconsum