1 Introduction
1.1 Purpose
1.2 Scope
1.3 Related Recommendations
2
References
3
Abbreviations
4
Method for availability specification
4.1 Definition of Availability
4.2 Availability model
4.3 Definition of Unavailability Entry/Exit Criteria
4.4 Availability parameters
4.4.1 Availability Ratio
4.4.2 Mean Time Between Outages
5
B-ISDN ATM semi-permanent connection portions
6
Availability performance objectives
6.1 Availability Ratio
6.2 Mean Time Between Outages
Annex A – Sampling estimation of B-ISDN ATM semi-permanent availability
parameters
A.1 In-service estimation of SESATM
A.1.1 Network perspective of SESATM
A.1.2 Service perspective of SESATM
A.2 In-service estimation of availability parameters
A.2.1 Service availability sampling
Annex B – Related availability parameters
B.1 Unavailability Ratio
B.2 Outage Intensity
Annex C – Calculation of end-to-end availability performance
C.1 Purpose
C.2 End-to-end availability calculations