CONTENTS

�1���� Scope
�2���� References
�3���� Definitions
�4���� Abbreviations
�5���� Conventions
�6���� Transport functional architecture of MPLS networks
������� 6.1���� General
������� 6.2���� MPLS network layered structure
�7���� MPLS shim header functional architecture description based on ITU-T Rec. G.809
������� 7.1���� MPLS layer network
������� 7.2���� MPLS layer network partitioning
������� 7.3���� MPLS label behaviour
������� 7.4���� Penultimate Hop Popping (PHP)
������� 7.5���� LSP Tunnels
�8���� MPLS shim header based functional architecture based on ITU-T Rec. G.805
������� 8.1���� MPLS Layer network
������� 8.2���� MPLS layer network partitioning
������� 8.3���� MPLS subnetwork behaviour
������� 8.4���� Penultimate Hop Popping (PHP)
���� ���8.5���� LSP tunnels
�9���� MPLS hierarchies
������� 9.1���� G.809 MPLS hierarchies
������� 9.2���� G.805 MPLS hierarchies
������� 9.3���� Heterogeneous MPLS hierarchies
10���� Server/client associations
������ 10.1���� MPLS/client adaptation
������ 10.2���� Non-MPLS Server/MPLS adaptation
11���� MPLS network control
12���� MPLS survivability techniques
������ 12.1���� Protection techniques
������ 12.2���� Network restoration
13���� MPLS and support of the Diff-Serv architecture
������ 13.1���� Reference diagrams for uniform, pipe and short pipe models
������ 13.2���� MPLS TTL behaviour
������ 13.3���� MPLS EXP behaviour
������ 13.4���� LSP merging and Diff-Serv support
Annex A � Functional model for fragmentation of packets in an MPLS network
Annex B � Reserved label processing
Annex C � G.809 to G.805 translation
Annex D � MPLS and IP multiplexing
Appendix I � Functional model for describing the use of ECMP in MPLS networks