�1����
Scope
�2���� References
�3���� Terms and definitions
�4���� Abbreviations
�5���� Transport entities in the OTN
������� 5.1���� General introduction
������� 5.2���� Bidirectional transport entities
and uni-directional monitoring
�6���� Performance monitoring
capabilities in the OTN
������� 6.1���� Optical impairments and digital
error performance
������� 6.2���� Monitored layer signals
������� 6.3���� ODUk and OTUk overhead
������� 6.4���� In-Service Monitoring and
Out-of-Service Measurement
�7���� Error performance events and
parameters
������� 7.1���� Severely Errored Seconds and
Background Block Errors
������� 7.2���� FEC Corrected Errors
�8���� Availability
�9���� Network
reference model
10���� Error performance objectives
������ 10.1���� Error performance objectives for
the HROP
������ 10.2���� Error performance objectives for
the domains of a real path
������ 10.3���� Error performance objectives for
the section
11���� Performance limits � General considerations
������ 11.1���� Relationship between performance
limits and performance objectives
������ 11.2���� Types of limits
12���� Bringing-Into-Service procedures and limits
������ 12.1���� Calculation of the BIS limits
13���� Performance levels and limits for maintenance
������ 13.1����Calculation of limits for maintenance