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Assignee3Com Corporation
InventorsDavid A. Grabelsky, Ikhlaq S. Sidhu, Guido M. Schuster, Jacek A. Grabiec
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Gateway routers for real-time networks have the ability to collect delay, loss, and jitter statistics on a per-connection basis. It is possible to use this information not only to monitor the quality of individual voice calls and other real-time connections, but also to evaluate the overall performance of the underlying network. This paper describes a method for monitoring and managing the performance of a real-time data network that supports voice, video and other real-time services. In the described embodiments, the RTCP mechanisms of RTP for sender and receiver reporting be used to relay performance information to one or more network monitoring sites for analysis and interpretation. In addition, gateway routers are organized and managed within a hierarchy that allows the monitoring function to localize it view of network conditions within the hierarchy; and the monitoring of network performance can occur on various time scales.
A network monitoring system for monitoring the packet delivery performance of a packet-based network, the network monitoring system comprising:
A method for monitoring the performance of a network system comprising:
Dependencies are inferred from the claim text.