MONITORING DEVICE AND METHOD FOR MONITORING A VIDEO SESSION IN A DATA NETWORK

摘要

The invention relates to a monitoring device (101) for monitoring a video session in a data network between a video server (105) providing a video file and a video client (104) playing the video file, comprising: a data interface (102) configured to connect to an end-to-end communication path between the video server (105) and the video client (104) and configured to capture video resolution information and to retrieve client screen resolution information; and a determination unit (103) configured to determine a quality measure for the video session based on the video resolution information, based on the client screen resolution information and based on a buffer model, the buffer model modeling a fill level of a receive buffer (301) in the video client (104), the receive buffer (301) being configured to buffer the video file before playing the video file.