关键词: 电信网络电视, 服务质量, 机顶盒, 网络抓包, 用户体验质量, 状态机

Abstract: As the rapid development of information technology, the Quality of Service(QoS) of the network must be better. But it is lack of a well-established service quality monitoring system to assess the quality of the IPTV network. The data packet’s capture and analysis for the QoS of the network monitoring is essential, and existing network monitoring system based on the decoder data flow which makes the assessment inaccurate. Set-top boxes, as the carrier of IPTV, whose memory and CPU performance is far less than the PC, the packet capture software on the PC cannot run on the set-top box. Based on the quality of experience, this paper designs set capture program running on the set-top box, uses the state machine to describe the logic between the data and the control information, and classifies data packets for IPTV on control information to calculate the packet loss rate, MDI, the request response time and other parameters for QoS of monitoring system. Compared with the traditional monitor system, the result proves the monitor system has accuracy.

Key words: Internet Protocol Television(IPTV) of Telecom, Quality of Service(QoS), set-top box, network packet capture, quality of user experience, state machine