Table of Contents

�1���� Scope������������
�2���� References���
�3���� Terms and definitions���������������
������� 3.1���� Terms defined elsewhere
�4���� Abbreviations and acronyms��
�5���� Introduction
�6���� ITU-T G.8032 network applications������
�7���� ITU-T G.8032 support of Ethernet services����������
������� 7.1���� Introduction������
������� 7.2���� ITU-T G.8032 ring concepts in support of E-services���������������
������� 7.3���� ITU-T G.8032 support of E-Line services���
������� 7.4���� ITU-T G.8032 support of E-Tree services���
������� 7.5���� ITU-T G.8032 support of E-LAN services��
������� 7.6���� ITU-T G.8032 support of mixed E-services
�8���� Interconnected rings��
������� 8.1���� Configuration for interconnected rings��������
������� 8.2���� Topology examples for interconnected Ethernet rings�������������
�9���� Guidelines for management procedures
������� 9.1���� An example procedure for removing an Ethernet ring node���
������� 9.2���� Management procedures to exit the FS state in case of failure of an Ethernet ring node under an FS condition� ���
������� 9.3���� Replacing an ITU-T G.8032 (2008) v1 Ethernet ring node with an ITU-T G.8032 (2010) v2 Ethernet ring node����
10���� End-to-end service resilience��
������ 10.1���� Generic end-to-end service resilience����������
������ 10.2���� Layering ITU-T G.8031 protection over ITU-T G.8032���������
������ 10.3���� Access sub-ring connected to major ring���
������ 10.4���� Non-ERP node connected in major ring����
11���� Protection switching for multiple ERP instances�
������ 11.1���� Multiple ERP instances�
����� �11.2���� Applying protection mechanisms to multiple ERP instances�
������ 11.3���� Protection switching model for multiple ERP instances����������
������ 11.4���� Multiple instances of interconnected rings
12���� Guidelines for the configuration of VIDs and ring IDs of R-APS channels���
������ 12.1���� Sub-ring with R-APS virtual channel����������
������ 12.2���� Sub-ring without R-APS virtual channel����
������ 12.3���� Backward compatibility���������������
13���� Minimizing segmentation in interconnected rings��������������
������ 13.1���� Characterization of the segmentation issue��������������
������ 13.2���� Class of double faults addressed�
������ 13.3���� Procedure for minimization of segmentation����