Nec Corporation

Jürgen Quittek

Marcus Brunner

Cristian Cadar

A method for transferring time-synchronous data, particularly voice and video data, over a network, particularly the Internet, between at least two terminals, where between the terminals a connection is established using a SIP server and where the SIP protocol is used for establishing the connection, is&#x2014;with respect to high Quality of Service for transferring time-synchronous data and with a technically simple and cost effective design&#x2014;developed in a way that the SIP server analyzes the connection and/or the terminals or the like and that based on the analysis it determines an ideal bandwidth for optimizing the transfer of time-synchronous data.

Method for time-synchronous data transfer

A method of monitoring a network, in particular a data or telecommunication network, where the network includes a number of units to be monitored, and where relevant states of these units are controlled with respect to functionality, efficiency and/or security by means of provided information elements called managed objects at the monitored units, that reflect states and/or parameters to be monitored, and that are read and/or written by a network management system using network management protocols, is characterized in that at the managed units an additional management object&#x2014;the health check object&#x2014;is being implemented, such that almost all relevant states of the respective monitored unit are aggregated into a single value, that can be read by the network management system.

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Heidelberg, Germany

Jürgen Quittek