ETR 172 : 20002

Foreword
Introduction
1 Scope
2 References
3 Definitions and abbreviations
   3.1 Definitions
   3.2 Abbreviations
4 General considerations
   4.1 Motivation of work
   4.2 VPN motivations
5 Service aspects - conceptual framework
   5.1 VPN services in context of CN
6 Service aspects - service requirements
   6.1 VPN end-user services
   6.2 VPN networking services
   6.3 VPN management services
7 Networking aspects - CN network models
   7.1 Relation between service entry points and reference
       points
   7.2 PINX type 2, representation of a CN in terms of
       functional groupings
   7.3 Functional model of a CN including the public VPN service
8 Networking aspects - requirements
   8.1 Introduction
   8.2 Emulation of transit PINX functionality in the public
       network
   8.3 Emulation of gateway PINX functionality in the public
       network
   8.5 Support of a CN spanning multiple public networks
   8.6 Support of CN management
   8.7 Support of CN access for individual users
   8.8 Network performance parameters related to CN
9 Networking aspects - work plan
10 Support of VPN services based on IN architecture
   10.1 Relation between service entry points and the IN model
   10.2 Types of call and services supported in each type
   10.3 International calls (support of a private network
        spanning multiple public networks)
   10.4 Support of VPN management
Annex A: Supplementary services for public networks (studied
         by ETSI STC NA1)
Annex B: Supplementary services for private networks (studied
         by ECMA TC32 and JTC1 ISO/IEC SC6)
Annex C: GVNS service features (studied by ITU-T SG1 and
         ETSI STCs NA1/NA6)
Annex D: Centrex in different VPN scenarios
Annex E: VPN management services
      E.1 Single point of contact
      E.2 VPN data management
      E.3 Performance management
      E.4 Fault management
      E.5 Security management
      E.6 Customer control procedures
      E.7 Supervisory management service
      E.8 Management of CN numbering plans
      E.9 Routeing administration
      E.10 Customized recorded announcements
      E.11 Call logging
      E.12 Statistical information on calls
      E.13 Flexible billing
Annex F: Recommendations for other work
Annex G: JTG/VPN mission statement
Annex H: JTG/VPN members
History

Examines aspects of Virtual Private Network (VPN) services in the context of Corporate Telecommunication Networks (CNs) and identifies work items to be studied by the relevant ETSI Technical Committees (TCs).