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(11) | EP 0 484 261 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Method and system for correlating condition reporting messages in a communication network |
(57) Error or condition reporting messages known as "alerts" transmitted to a communication
network management facility are correlated by including with each reporting message
or alert a unique token having a length field, a key identifier field identifying
the nature of the message and a data message field containing a unique n-byte pattern.
Incoming reporting messages or alerts received at the communication network management
facility are scanned for the existence of a reporting message correlation subvector
and, if such a message is found, its token is extracted and compared against a list
of previously received tokens to determine whether the reporting message concerns
a facility or resource which has already been the subject of a previous report or
alert. The inclusion of the length and key identifier fields in addition to the unique
n-byte field to make up the token assures that correlation tokens generated under
different communication protocols will not contain identical tokens. |