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Transcript of 1 Cybersecurity and Communications Reliability Division – Public Safety & Homeland Security Bureau...
![Page 1: 1 Cybersecurity and Communications Reliability Division – Public Safety & Homeland Security Bureau John Healy May 2015.](https://reader036.fdocuments.us/reader036/viewer/2022062422/56649ef45503460f94c07b9c/html5/thumbnails/1.jpg)
Analysis of Network Outage Reports1
Cybersecurity and Communications Reliability Division – Public Safety & Homeland Security Bureau
John Healy
May 2015
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Frequency of Outages by Month2
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Standards for Outage Frequencies
Took average of January 2012 through December 2012 as the standard
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Outage Index – For All Outages Except DS3-Simplex
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See ATIS-0100021 Analysis of FCC-Reportable Service Outage Data for a description of the method used to calculate the outage index.
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Procedural Events5
Procedural events are ones which have a procedural root cause.
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Procedural Events by Source6
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New Planned Maintenance Cause Codes
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Fiber Cut8
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DS3-Simplex9
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E91110
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Very Large E911 Outages11
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E911 – Phase 2 Events12
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Phase 2 vs. All Other E911 Outages13
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Wireline14
Wireline outages are all outages for which the Reason Reportable was at least 900,000 wireline user-minutes.
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DS3 (Non-Simplex) Events15
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Big DS3 Outages16
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Wireless17
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Environmental – External18
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SS7 19
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Malicious Events20
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Malicious Activity21
Vandalism Cable Theft Gun Shots2011 36% (79) 7% (17) 4% (9)
2012 35% (83) 8% (18) 7% (15)
2013 37% (83) 4% (9) 9% (22)
2014 51% (99) 6% (11) 11% (22)
2015 46% (21) 11% (4) 13% (6)
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VOIP Reporting22
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Duration Trends: DS3 Non-Simplex
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Duration Trends: E911
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Duration Trends: Wireline
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Duration Trends: Wireless
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Test for Trend in Event Duration
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Non-DS3-Simplex OutagesData from 1/12 thru 2/15
Conclusion: Non DS3-Simplex Outages are unchanged in duration from 1/12 to 2/15
DS3-Simplex Events OnlyData from 1/12 thru 2/15
Conclusion: DS3-Simplex Events are unchanged in duration from 1/12 to 2/15
Rank Correlation of duration with date is -.002 and is not significant
Rank Correlation of duration with date is .016 and is not significant
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911 Certification Test System
Testing began on April 8
Comments and suggestions are greatly appreciated
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NRSC Activities
Current Teams Best Practices Team Outage Reporting Advisory Team
Improvements to the NORS System Improvements to the template Recommended ways to communicate information Improvements to NORS/DIRS manuals
IP Transition Team Planned Maintenance Team: Examine planned
maintenance events; recommend ways to upgrade the system without affecting service
Consistent Use of Cause Codes
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