WO2001077828A3 - Incremental alarm correlation method and apparatus - Google Patents

Incremental alarm correlation method and apparatus Download PDF

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Publication number
WO2001077828A3
WO2001077828A3 PCT/SE2001/000769 SE0100769W WO0177828A3 WO 2001077828 A3 WO2001077828 A3 WO 2001077828A3 SE 0100769 W SE0100769 W SE 0100769W WO 0177828 A3 WO0177828 A3 WO 0177828A3
Authority
WO
WIPO (PCT)
Prior art keywords
correlation
alarm
sets
alarms
managed object
Prior art date
Application number
PCT/SE2001/000769
Other languages
French (fr)
Other versions
WO2001077828A2 (en
Inventor
Edwin Tse
Nicolas Gosselin
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to AU2001247010A priority Critical patent/AU2001247010A1/en
Publication of WO2001077828A2 publication Critical patent/WO2001077828A2/en
Publication of WO2001077828A3 publication Critical patent/WO2001077828A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0062—Provisions for network management
    • H04Q3/0075—Fault management techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13054—Expert system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13163—Fault alarm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13349—Network management

Abstract

Alarms are processed in view of a historical context to determine instances of correlation such that alarms are partitioned into correlation sets where the alarms within one set have a high probability of being caused by the same network fault. As each new alarm is received, a check is made to see whether a managed object originating that alarm is a member of a previous set and is already in an alarmed state. If so, the alarm is added to that managed object. If not, a set is built containing that alarmed managed object and its related managed objects as determined from consideration of alarm propagation rules and network topology. That set is then compared with previously built sets to determine the existence of any correlation as measured by whether the sets share managed objects in common or satisfy some other correlation test. When such correlation is found, the sets are merged together to form a larger set relating to the same network fault.
PCT/SE2001/000769 2000-04-07 2001-04-06 Incremental alarm correlation method and apparatus WO2001077828A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001247010A AU2001247010A1 (en) 2000-04-07 2001-04-06 Incremental alarm correlation method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/545,541 US6604208B1 (en) 2000-04-07 2000-04-07 Incremental alarm correlation method and apparatus
US09/545,541 2000-04-07

Publications (2)

Publication Number Publication Date
WO2001077828A2 WO2001077828A2 (en) 2001-10-18
WO2001077828A3 true WO2001077828A3 (en) 2002-02-28

Family

ID=24176642

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2001/000769 WO2001077828A2 (en) 2000-04-07 2001-04-06 Incremental alarm correlation method and apparatus

Country Status (3)

Country Link
US (1) US6604208B1 (en)
AU (1) AU2001247010A1 (en)
WO (1) WO2001077828A2 (en)

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Also Published As

Publication number Publication date
WO2001077828A2 (en) 2001-10-18
US6604208B1 (en) 2003-08-05
AU2001247010A1 (en) 2001-10-23

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