Analysis of Network Outage Reports

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Presentation transcript:

Analysis of Network Outage Reports Cybersecurity and Communications Reliability Division – Public Safety & Homeland Security Bureau John Healy May 2016

Frequency of Outages by Month

Standards for Outage Frequencies Took average of January 2013 through December 2013 as the standard

Outage Index – For All Outages Except DS3-Simplex See ATIS-0100021 Analysis of FCC-Reportable Service Outage Data for a description of the method used to calculate the outage index.

Procedural Events by Source

New Planned Maintenance Cause Codes

DS3 (Non-Simplex) Events

Big DS3 Outages

DS3-Simplex

Fiber Cut

E911

Very Large E911 Outages

E911 – Phase 2 Events

Phase 2 vs. All Other E911 Outages

Wireline Wireline outages are all outages for which the Reason Reportable was at least 900,000 wireline user-minutes.

Wireless

VoIP Reporting

Environmental – External

SS7

Malicious Events

Total Malicious Events Malicious Activity Vandalism Cable Theft Gun Shots Total Malicious Events 2012 35% (83) 8% (18) 7% (15) 207 2013 37% (83) 4% (9) 9% (22) 224 2014 51% (99) 6% (11) 11% (22) 193 2015 46% (21) 11% (4) 13% (6) 215 2016 18% (6) 0% (0) 25% (9) 35 The figures for 2016 are thru March.

Duration Trends: DS3 Non-Simplex The duration of DS3 non-simplex outages is statistically unchanged in 2016 compared with 2015 (using a Mann-Whitney test).

Duration Trends: E911 The duration of E911 outages is statistically unchanged in 2016 compared with 2015 (using a Mann-Whitney test).

Duration Trends: Wireline The duration of wireline outages is statistically unchanged from 2015 to 2016 (using a Mann-Whitney test).

Duration Trends: Wireless The duration of wireless outages is statistically unchanged from 2015 to 2016 (using a Mann-Whitney test).

Test for Trend in Event Duration Non-DS3-Simplex Outages Data from 1/14 thru 03/16 DS3-Simplex Events Only Data from 1/14 thru 03/16 Rank Correlation of duration with date is -.011 and is significant at the .01 level Rank Correlation of duration with date is -.017 and is not significant at the .05 level Conclusion: Non DS3-Simplex Outages are shorter in duration from 1/14 to 03/16 Conclusion: DS3-Simplex Events are unchanged in duration from 1/14 to 03/16

NORS Transition NORS coordinators began to test the new system in April Public Notice about NORS transition went out on May 10 June 2 - Training session on the new NORS July 5 – Testing of the new NORS ends July 20 – Cutover to the new NORS

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 Consistent Use of Cause Codes