Device and method for network monitoring

Multiplex communications – Diagnostic testing – Fault detection

Reexamination Certificate

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C709S224000

Reexamination Certificate

active

07577098

ABSTRACT:
A network monitoring device that monitors a network state, includes a receiving unit that receives a packet passing through the network; a processing unit that performs analysis of the network state with respect to the packet received; and a determining unit that determines whether a failure has occurred in the network, based on the result obtained by the processing unit.

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