Monitoring the transmission quality in a digital...

Details Monitoring the transmission quality in a digital... Monitoring the transmission quality in a digital...

H - Electricity

04

L

H04L 12/26 (2006.01) H04L 1/24 (2006.01) H04L 9/00 (2006.01) H04L 12/24 (2006.01) H04L 29/06 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2301383

In a digital communications network, performance monitoring data (19, 20) are determined for each connection (38) in a network element (27) that switches or terminates the connection. The performance monitoring data (19, 20) are stored as managed objects in a database (22) of the respective network element (27). On request, these performance monitoring data (19, 20) are transmitted to a network management facility. In prior-art networks, the performance monitoring data (19, 20) cannot be used to furnish proof that a service was actually provided, because they are manipulable. In the method according to the invention, the performance monitoring data (19, 20) are encrypted (5) and provided with an electronic signature prior to transmission (7). For this, each network element (27) is equipped with an encryption device (21).

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