Table of Contents
1Scopeandfieldofapplication
2References
2.1Normativereferences
3Termsanddefinitions
3.1Network-basedVirtualPrivateNetwork(NBVPN)
3.2NBLayer1VPN
3.2.1OpticalVPN
3.3NBLayer2VPN
3.4NBLayer3VPN
3.4.1NBIPVPN
3.5VirtualServicesNetwork(VSN)
3.6VirtualTransportNetwork
4AbbreviationsandAcronyms
5Servicedefinition
5.1Introduction
5.1.1TypesofVPNservice
5.1.2NBVPNserviceview
5.1.3NBVPNservicedeploymentscenarios
5.2NBVPNservicereferencemodel
5.2.1DesignationofVPNnetworkelements
5.2.2Auto-discoveryamongnetworkelements
6AbstractframeworkofNBVPN
6.1Operationalenvironment
6.2VSN/VTNoverview
6.2.1Generalmodel
6.2.2VSNandVTNcomponents
6.3VPNmanagement
7Servicerequirements
7.1Servicerequirementsforvirtualservicesnetwork
7.1.1GeneralVSNservicerequirements
7.1.2Configurationmanagement
7.1.3Faultmanagement
7.1.4Performancemanagement
7.1.5Accounting
7.1.6Security
7.1.7ServiceLevelAgreementsandQoS
7.2Servicerequirementsforvirtualtransportnetwork
7.2.1Generalserviceprovision
7.2.2Configurationmanagement
7.2.3Faultmanagement
7.2.4Performancemanagement
7.2.5Accounting
7.2.6Security
AppendixI-ServicedeploymentscenariosforNBIPVPN
Introduction
I.1Intranet(connectivitybetweensitesinthesame
organization)
I.2Extranet(connectivitybetweensitesacross
multipleorganizations)
I.3VPNsacrossmultipleautonomoussystemsorservice
providers
I.4SimultaneousVPNandInternetaccess
I.5HierarchicalVPNs(VPNswithinVPNs)
I.6MultipleAccessScenarios(Dial,DSL,fixed
wireless,cable)
AppendixII-ServicedeploymentscenariosforNBLayer
2VPN
AppendixIII-ServicedeploymentscenariosforNBLayer
1VPN
AppendixIV-ExamplesofpracticalrealizationsofVTN
approachesforNBIPVPN Abstract
Specifies the generic architecture and service requirements that are applicable to the provision of Network-Based Virtual Private Networks by Network Service Providers.