A Network Management Solution for Pre- Alarm Detection in EPU Telecommunications Network
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The pre-alarm detection is a novel method for ensuring high availability of
operational traffic in corporate telephone network of Electric Power Utility, beside usage
of redundant elements and alternate routing. In this paper, is examined software solution
for pre-alarm detection in network management domain. After the analysis of the domain
characteristics was proposed solution based on analysis of traffic on direct links between
telephone exchanges. In order to find when high priority Integrated Service Digital
Network (ISDN) or Internet Protocol (IP) links are faulty, calls over high voltage power
lines are analysed in two step process, using data retrieved from Call Detail Records of
telephone exchanges. Increased accuracy of detection characterizes this solution compared
with the previously proposed, because there are no false negatives in the detection process.
In this research was verified that proposed solution can be implemented as an additional
layer in network management hierarchy without change of existing network management
system software or infrastructure.