CONTENTS

 1     Scope
 2     References
        2.1     Normative References
                  2.1.1     ITU-T
                  2.1.2     ISOC/IETF
        2.2     Informative References
                  2.2.1     ATM Forum
                  2.2.2     ISOC/IETF
 3     Terms and definitions
 4     Abbreviations and acronyms
 5     Generic requirements
 6     Framework architecture
        6.1     Network architecture
                  6.1.1     Network and service interworking
        6.2     Protocol architecture
                  6.2.1     General description of IPOA protocol reference model
                  6.2.2     Functional description of IPOA protocol reference model
 7     IP services
        7.1     Mapping of IP QoS with ATM
                  7.1.1     Introduction
                  7.1.2     Network model to support QoS-aware IP services
                  7.1.3     List of service mapping functions
                  7.1.4     Mapping of IP integrated services to ATM services
                  7.1.5     Mapping IP differentiated services to ATM services
        7.2     IP Virtual Private Networks (IP-VPNs)
                  7.2.1     Scope of IP-VPN
                  7.2.2     Definition of IP-VPN service
                  7.2.3     Requirements for IP-VPN service
 8     Preferred network solution
        8.1     Recommended approach
                  8.1.1     Small networks versus large networks
                  8.1.2     ATM versus non-ATM bearer
                  8.1.3     Static versus dynamic control
                  8.1.4     ATM versus non-ATM control in IPOA
                  8.1.5     Traffic engineering of IP services
                  8.1.6     Build on existing investments
                  8.1.7     VPN services support
                  8.1.8     QoS aspects
        8.2     Framework for MPLS over ATM in public networks
                  8.2.1     Architectural model
                  8.2.2     Control protocol for MPLS over ATM
Appendix I – Approaches for IP over ATM
        I.1     Classical IP over ATM
                  I.1.1     Next Hop Resolution Protocol (NHRP)
                  I.1.2     Use of local ATM shortcut
        I.2     Multi-Protocol Over ATM (MPOA)
        I.3     Multi-Protocol Label Switching (MPLS)
Appendix II – Guidelines for mapping services to ATM connections
       II.1     Mapping Intserv services to ATM connections
                 II.1.1     Mapping of Guaranteed Service (GS) to ATM
                 II.1.2     Mapping of Controlled Load Service (CLS) to ATM
       II.2     Mapping Diffserv services  over ATM
       II.3     Intserv in MPLS over ATM
       II.4     Diffserv in MPLS over ATM
                 II.4.1     LSP set-up procedures
                 II.4.2     Label forwarding procedure
                 II.4.3     The mappings between <PSC, CLP> and PHB
                 II.4.4     Implementation Considerations
Appendix III – Possible evolution scenarios to MPLS for IP over ATM in public networks
      III.1     Introduction
      III.2     Proposed Scenarios
                III.2.1     Established full-service carrier
                III.2.2     Established voice service carrier
                III.2.3     IP-centric new carrier
                III.2.4     Full-service new carrier
      III.3     Hybrid ATM Network
                III.3.1     Technologies for Hybrid ATM Networks
                III.3.2     Networks using MPLS-over-PVCs
                III.3.3     Networks using Virtual Trunks
                III.3.4     Networks using VCID
Appendix IV – Example methods for IP-VPN support in MPLS/ATM public network
       IV.1     Introduction
       IV.2     Scenario 1
                 IV.2.1     Simple network configuration
                 IV.2.2     Network components
       IV.3     Scenario 2
                 IV.3.1     Architectural overview
                 IV.3.2     Network components
Appendix V – Bibliography