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Abstract

A network monitoring system and method is provided for determining service quality over a packet switching network. In one embodiment, the system comprises a processor coupled to a local interface, a memory coupled to the local interface, and operating logic stored in the memory, the operating logic being executed by the processor. The operating logic includes network management logic which comprises logic to poll a transmit buffer in a transmit probe for a number of transmit pattern identifiers, the transmit pattern identifiers being generated from a stream of data packets at a transmit side of a packet switching network. The network management logic also comprises logic to poll a receive buffer in a receive probe for a number of receive pattern identifiers, the receive pattern identifiers being generated from the stream of data packets at a receive side of the packet switching network. Finally, the network management logic includes logic to compare the transmit pattern identifiers with the receive pattern identifiers to identify at least one dropped data packet from the stream of data packets in the packet switching network.

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First Claim