資源描述：
《communication networks pricing framework for a differential services internet》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、CommunicationNetworksPricingFrameworkforaDifferentialServicesInternetMICHAELS.BORELLA,VANDANAUPADHYAY,IKHLAQSIDHU3ComCorp.,1800W.CentralRd.,MountProspectIL,60056,USA{mike_borella,vandana_upadhyay,ikhlaq_sidhu}@3com.comAbstract.Anumberofrecentproposalsandproposedstandardshaveaddressed
2、addingdifferentialservicestotheInternet.Althoughtheirdetailsandtentativeimplementationsdiffer,mostarerecommendingwhatessentiallyamountstomultiplelevelsofbest-effortservice.Inthispaper,wesurveyrecentdifferentialservicesandpricingproposalsandintroduceapricingframeworkforadifferentiated
3、-servicesnetworkthatfocusesonsimplicity,flexibility,andeaseofimplementation.Inparticular,ourmodelcanbeusedinthecurrentheterogeneousInternetwithoutmajorrestructuring.Wefocusonflat-rate,per-timeandusage-basedpricing,whereuserscanchangetheirservicelevelonanad-hocbasis.Wealsoshowthatasen
4、der-paysmodelwithback-chargingissimpletoimplementandcanbeeffectiveevenincompli-catedtransactions,suchasmulticasting.Ourapproachisdifferentfrommanypreviousproposalsandconsciouslyinte-gratesdifferentialservicesandpricingwithimplementationastheimmediategoal.Finally,weoutlinefutureareaso
5、fresearchincludingISPsupportforpricing,thedynamicsofservicequalityandpricinginadifferentiatedInternet,andthelatesttrendsanddirectionsofQoSdeploymentandstandardization..1INTRODUCTIONityateachrouterinaflow’spathsothat,inconjunctionwithadmissioncontrolandabounded-delayqueuingdis-Current
6、lytheInternet,andIPnetworksingeneral,cipline,suchasWeightedFairQueuingoroneoritsvari-supportsasinglelevelofbest-effortservice.Alldataants[3],end-to-endQoSguaranteescanbemade.How-packetsarequeuedandforwardedwiththesamepriority.ever,RSVPisveryresourceintensive(intermsofsignal-Thereisno
7、guaranteethatanygivenpacketwillactuallyingandcontrol,aswellasrequiringper-flowscheduling)reachitsdestination,muchlessarriveinatimelyfashion.andhasnotenjoyedstrongsupportthroughoutthenet-Thisflatservicemodelhasworkedsurprisinglywell,asworkingcommunity.InanefforttoextendIPsothatittheIn
8、ternethasgro
