1
Scope
2
References
3
Definitions
4
Abbreviations and acronyms
5
Conventions
6
Methodology for identification of QoS criteria and parameters
6.1 General
considerations
6.2 Identification
of user's QoS criteria
6.3 Conversion
of QoS criteria to QoS parameters
6.4 Publication
of QoS parameters
6.5 Practical
issues when using QoS parameters
7
Measurement of QoS parameters
7.1 Objective
measurements
7.2 Subjective
measurements
7.3 Who
should perform the measurements
8
Guidelines for defining quality objectives
8.1 General
considerations
8.2 Defining
initial quality objectives
8.3 Defining
target values
8.4 Tuning
quality objectives
8.5 Verification
of QoS objectives
Annex A – Guidelines on selection of representative samples
A.1 Scope
A.2 Methodology
for selection of representative samples
Appendix I – References for the development of QoS metrics and examples
of QoS parameters
I.1 Examples
of QoS parameters
I.2 Development
of QoS metrics
Appendix II – Quality objectives
II.1 Voice
telephony and voiceband services
II.2 Services
over packet-based networks
Appendix III – Examples for the usage of the three models
III.1 Universal model
III.2 Performance model
III.3 Four-market
model
Appendix IV – Sample calculator
IV.1 Sample
calculator – R implementation
IV.2 Sampling algorithm
– R implementation
Appendix V – Minimum required number of measurements for statistically significant
QoS parameter evaluations
V.1 Comparison
of QoS parameters for benchmarking and quality trends
Bibliography