AnalysisofTroubleTicketsIssuedbyAPANJPNOC.pptVIP

Analysis of Trouble TicketsIssued by APAN JP NOC Jin Tanaka tanaka@kddnet.ad.jp KDDI Agenda Introduction to APAN JP Site NOC Statistics of Trouble Tickets Trouble analysis Equipment in TokyoXP TransPAC Characteristics of Our Trouble Proposal for improving Network Service Level APAN JP Site NOC APAN JP Site NOC: Location: Physically located at the KDDI Otemachi Bldg 12F in Tokyo, and APAN Tokyo XP equipment is installed on the 5F Staff: 24×7 Operators standby Operators are charged with additional operations for other networks Scientific, Academic, Commercial Duties: Opening and closing of Trouble Tickets Receiving problem reports Trouble shooting Development and maintenance of measurement and operation tools Statistics of Trouble Tickets Statistics of Trouble Tickets: Objects All trouble tickets issued by APAN JP NOC for the last 12 months (from 2002/Aug ~ 2003/July) The total of tickets amount to about 200 tickets Issue-selecting rules Trouble All the outages on TransPAC are covered. For others, outage of 15 minutes or more are covered. Maintenance All the maintenance works are covered (including such switch-hits over circuit within 1msec.) Statistics of Trouble Tickets: Statistics of Trouble Tickets: Statistics Statistics of Trouble Tickets: Statistics of Trouble Tickets: Statistics of Trouble Tickets: Results of Trouble Tickets Statistics The total numbers of trouble and maintenance almost equal to each other The number of tickets varies mainly in response to circuit trouble and maintenance, which is obvious especially on TransPAC Availability of the whole APAN network is 96.83%. (97.45% when maintenance is excepted from outage) Trouble Analysis Equipment Trouble Analysis in TokyoXP Equipment Trouble Analysis in TokyoXP: Equipment Trouble Analysis in TokyoXP: Trouble Analysis on TransPAC: Trouble Analysis on TransPAC: Trouble Analysis on TransPAC: Trouble Analysis on TransPAC: Trouble Analysis on Trans