Recommendation ITU-T Y.1545.1 (06/2021) Framework for monitoring the quality of service of IP network servicesAmendment 1
Summary
History
Keywords
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Different aspects of quality of service
     6.1 Four viewpoints of QoS
     6.2 QoS offered and QoS delivered
7 Minimum set of parameters for evaluating the quality of IP network service
     7.1 IP network service activation time
     7.2 DNS response time
     7.3 Number of IP network interconnection points
     7.4 Round-trip delay (RTT to IP network interconnection points)
     7.5 IP delay variation (one-way delay variation to IP network interconnection points)
     7.6 IP packet loss (one-way packet loss to IP network interconnection points)
     7.7 Data rate (download and upload)
          7.7.1 mean data rate achieved: The average of the data transfer rate achieved for a given number of samples.
          7.7.2 % of the mean data rate: Denotes the deviation between the data rate contracted/advertised and the data rate achieved.
     7.8 Internet IP network service availability
     7.9 Radio coverage availability
8 Quality of service measurement methodologies
     8.1 Testing tools
     8.2 Quality of service evaluation scenarios
          8.2.1 Evaluation scenario at a national level
9 Sampling methodology
     9.1 Selecting access lines for each speed package
     9.2 Selecting the measurement moments
Appendix I  Evaluation scenario at international level
Bibliography