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1、Pre-studyonCustomerCare,Accounting,Charging,Billing,andPricingBurkhardStiller,GeorgeFankhauser,BernhardPlattner,NathalieWeiler1InstitutfürTechnischeInformatikundKommunikationsnetzeTIK,ETHZürichGloriastrasse35,CH–8092Zürich,SchweizE-Mail:[stiller
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5、weiler@tik.ee.ethz.ch]February18,19981.MichaelBünter,ComputerEngineeringandNetworksLaboratory(TIK),ETHZürich,Switzerland,providedsomewritteninputonATM-relatedaspects.HansEinsiedler,InstituteforComputerCommunicationsandApplications(ICA),EPFLausanne,Switz
6、erland,offeredwritteninputontechnicalfairnessissues.ExecutiveSummaryElectronicCommerceplatformsofferanopportunityforbusinessesandchallengesforresearch.Asclosedmar-ketsdorequiregenerictransportservicesonly,openElectronicCommercemarketplacesneedtodealwiththe
7、deliveryofadvancedelectronicservicesduetointensetrendstovalueaddedinformationservices.Afterhavingdeployedproprietaryplatforms,solutionswithglobalaccessnetworkscommencedduetothecommercializationoftheInternet.However,todaytheglobalelectronicmarketplacebasedo
8、nintegratedservicesnetworksisenvi-sioned,sincetheessentialworld-wideinterconnectionofresidentialcustomersandbusinessesatthesametimecanbeprovidedbytheintegratedservicesInternet.Ithasbeenobservedwithinthispre-studythatclosedplatformsshowamaturedstatewithprop
9、rietaryproducts,applications,andtools,sometimesofferingsemi-openinterfacesallowingfortheintegrationwithadditionalsys-temcomponents,butlackingopensemantics.However,regionallyandlogicallyrestrictedapproaches,suchasSwissVideotex,GermanBtx,orFrenchMinitel,areg
10、oingtobereplacedbyopenElectronicCommerceplat-forms.Theseopenandpublicsolutionsstarttoflourish,mainlydrivenbythegloballyaccessibleInternet.Pro-foundresearchtoobtainanefficientandserviceintegratedplatformsupportingadvancedservicesisstillrequired.Theinformati
11、onsocietybearsastringentneedforadvancedcommunicationservicesandcontent.Althoughsolu-tionsformethodsofchargingandaccountingsingleserviceclassnetworks,suchasthetelephonenetworkorVir-tualPrivateNetworks,existand
