1 Scope
1.1 Application of this Recommendation
1.2 Transport network layers
1.3 Allocation of end-to-end
performance
2 References
3 Abbreviations
4 Terms and Definitions
5 Measurement of the block
5.1 In-service monitoring
5.2 Out-of-service measurements
6 Performance monitoring at the near
end and far end of a path
7 Relationship between path
performance monitoring and the block-based parameters
7.1 General
7.2 Estimation of the performance
parameters
7.3 Estimation of performance events
at the far end of a path
8 Error performance objectives
8.1 End-to-end objectives
8.2 Hypothetical reference optical
path
8.3 Allocation of end-to-end
performance objectives
Annex A – Criteria
for entry to and exit from the unavailable state
A.1 Criteria for a single direction
A.2 Criterion for a bidirectional path
A.3 Criterion for a unidirectional
path
A.4 Consequences on error performance
measurements
Appendix I – Flow
chart illustrating the recognition of anomalies, defects, errored blocks, and
SES
Appendix II – Example
of OTN layer network trails