ITU-T Y.1545.1 PDF

This Recommendation highlights the need for testing the quality of service (QoS) of IP network service offered by Internet service providers (ISPs), from a regulatory and diagnostic point of view. This Recommendation describes QoS evaluation scenarios and sampling methodology for both measuring and monitoring QoS. This Recommendation also gives guidance to regulators about the minimum set of QoS parameters necessary for evaluating the quality of IP network services.