Huawei Technologies Co., Limited

Ntt Docomo, Inc.

Sergio Beker

Masayoshi Shimizu

Motoshi Tamura

Takuya Shimojou

Malla Reddy Sama

Srisakul Thakolsri

Ashiq Khan

Riccardo Guerzoni

Wolfgang Kiess

Zoran Despotovic

Martin Adams

Dan Jurca

Renaud Cuny

In a communications system (A), a communication service which is utilized by UE () is specified from among a first communication service and a second communication service, an address of a SGW () corresponding to a service type of the first communication service is retrieved when the specified communication service is the first communication service with reference to information in which the specified communication service and the address of the SGW () that transmits and receives data for utilizing the communication service are correlated with each other, and a SGW () other than a first communication control device is retrieved when the specified communication service is the second communication service.

Communication control device selection method and communications system

The invention relates to a monitoring device for monitoring a video session in a data network between a video server providing a video file and a video client playing the video file, comprising: a data interface configured to connect to an end-to-end communication path between the video server and the video client and configured to capture video resolution information and to retrieve client screen resolution information; and a determination unit 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 in the video client, the receive buffer being configured to buffer the video file before playing the video file.

Monitoring device and method for monitoring a video session in a data network

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Munich, Germany

Sergio Beker