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Quality of Service Regulation Manual

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Ensuring quality of service (QoS) in this everchanging environment is increasingly critical. A harmonized and common approach to regulating QoS would enable greater quality prospects irrespective of the locations of the consumer and service provider. This manual refers to different standards and regulatory practices from different regions and countries worldwide noting that each region and each country has its own specificities. It is intended to be used as a guiding tool for telecommunication national regulatory agencies (NRAs) or government ministries in charge of QoS and QoE (quality of experience) parameters and measurements as defined by ITU, as well as enforcement mechanisms. It further introduces more handson information regarding the QoS and QoE big picture, as well as outlining practical approaches in QoS regulation for telecommunication/ICT services.

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Broadband quality of service measurements

In general, QoS measurement methodology, the protocol used – including reporting – should be capable of estimating at least the set of QoS parameters based on packets transmitted between specified measurement points. It is important to know the characteristics of a connectionless service – such as IP and NGN – that deliver user data via standalone packets (IP packets, i.e. datagrams) in each direction. As outbound and inbound traffic routes may differ, targets and measurements for all QoS attributes are in this case practically one-way, reflecting the connectionless nature of the service. Measurement probe packets should traverse as much as possible the same path as customer packets having the same QoS service class and the same QoS mechanisms in routers along the path. The value of probe packets should be appropriately set for the QoS class to be measured. This chapter examines concrete measurement tools and platforms for broadband QoS measurement, and presents selected country case studies on broadband QoS measurement, while tools for measurement are provided in annex to this manual.

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