1 Scope
2 References
3 Terms and definitions
4 Abbreviations
5 Hypothetical reference model
6 Allocation principles for end-to-end VC connections
7 Performance objectives
8 Evaluation of error performance events
8.1 Evaluation of ES/BBE/SES events from in-service measurements
8.1.1 Local anomaly and defect indication
8.1.2 Remote anomaly and defect indication
8.2 Out-of-Service (OOS) measurements
9 Performance limits
9.1 General
9.1.1 Relationship between performance limits and objectives
9.1.2 Types of limits
9.1.3 Process for calculation of path performance objectives and limits
9.2 Performance limits and methodology for BIS
9.2.1 BIS limit values
9.3 Performance limits for maintenance
9.3.1 Performance levels and limits
9.3.2 Thresholds
9.4 Long-term quality monitoring/measurement
10 Effects of timing impairments on error performance
11 Availability and unavailability
11.1 Criteria for entry/exit to/from the Unavailable State
11.2 Inhibiting performance monitoring during unavailable time
11.3 Unavailability limits
Annex A – Example applications of path allocation (A%)
from Table 2a
Annex B – In-service ES, BBE and SES event evaluation
criteria
Annex C – Calculation of objectives and limits for ES,
BBE and SES
Annex D – Allocated performance objectives and limits
for ES, BBE, SES and SEP
Annex E – Default unacceptable performance level
threshold values