�1����
Scope�
�2���� References�
�3���� Definitions��
�4���� Abbreviations���
�5���� Service definition and service
reference model������
������� 5.1���� Basic L1 service reference model
and features��������
������� 5.2���� L1 service categories, L1 VPN reference model
and definition��������
�6���� Service scenarios�
������� 6.1���� Multi-service backbone�����
������� 6.2���� Carrier's carrier�����
������� 6.3���� L1 resource trading
������� 6.4���� Inter-SP L1 VPN��
�7���� Service requirements��������
�8���� Service architecture elements�������
������� 8.1���� C-plane and U-plane combinations
������� 8.2���� Description of service examples based on C-plane and U-plane combination����������
������� 8.3���� L1VPN functional model��
�9���� Security
aspects
Annex A � Functions performed
by the CE in a L1 VPN����
Appendix I �
Relationship with L2/L3 VPNs����
������� I.1���� �� Multipoint connectivity for L3/L2 VPN and layer 1 VPN��
������� I.2��������� C/U-planes for L3/L2 VPN and layer 1 VPN����