Network failure detection system, method, and storage medium

Details Network failure detection system, method, and storage medium Network failure detection system, method, and storage medium

2009-04-06

2011-11-01

Yao, Kwang B (Department: 2473)

Multiplex communications

Diagnostic testing

Fault detection

C370S248000

Reexamination Certificate

active

08050182

ABSTRACT:
A system includes, in order to detect a failure occurring on a transmission path through which service traffic is transmitted from a delivery server, a node that is on the transmission path and that monitors the service traffic, and a monitoring server that determines a location at which a failure has occurred by analyzing information transmitted from the node. Each node measures the service traffic, recognizes an adjacent node, which is a node adjacent in a logic tree structure corresponding to a transmission path, establishes a link, recognizes a position of the node in the logic tree structure, sets a monitoring target link to be monitored in the logic tree structure, uses a measurement result, and transmits the estimation result to one of the adjacent node and the server. The server analyzes the estimation result received from the node, and determines the location of a failure on the transmission path.

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