1 Scope
2 References
3 Abbreviations
4 Definitions
4.1 Digital connections
4.2 Error performance events and parameters
4.2.1 Events
4.2.2 Parameters
4.3 Functions of error performance objectives
5 Performance objectives
6 Apportionment of overall objectives
6.1 Basic apportionment principles
6.2 Apportionment strategy for the errored seconds requirement
6.3 Apportionment strategy for the severely errored seconds requirement
Annex A – Criteria for entry and exit for the unavailable state
A.1 Criteria for a single direction
A.2 Criterion for a bidirectional connection
A.3 Criterion for a unidirectional connection
A.4 Consequences on error performance measurements