Analysis of Network Outage Reports 1 Cybersecurity and
Analysis of Network Outage Reports 1 Cybersecurity and Communications Reliability Division – Public Safety & Homeland Security Bureau John Healy September 2014
Frequency of Outages by Month 2
Standards for Outage Frequencies 3 Took average of January 2011 through December 2011 as the standard
Outage Index – For All Outages Except DS 3 -Simplex 4 See ATIS-0100021 Analysis of FCC-Reportable Service Outage Data for a description of the method used to calculate the outage index.
Procedural Events 5 § Many of these events are related to Planned Maintenance. § The NRSC agreed to set up a team to review planned maintenance outages. § In June we sent data on these events from the NRSC companies. Procedural events are ones which have a procedural root cause.
Procedural Events by Source 6
New Planned Maintenance Cause Codes 7
Fiber Cut 8 The NRSC agreed to set up a team to review these events with a report by December, 2014.
DS 3 -Simplex 9
E 911 10
Very Large E 911 Outages 11
E 911 – Phase 2 Events 12
Phase 2 vs. All Other E 911 Outages 13
Wireline 14 Wireline outages are all outages for which the Reason Reportable was at least 900, 000 wireline user-minutes.
DS 3 (Non-Simplex) Events 15
Big DS 3 Outages 16
Wireless 17
Environmental – External 18
SS 7 19
Malicious Events 20
Malicious Activity 21 1334 outage reports where malicious activity was indicated (188 in 2007, 188 in 2008, 83 in 2009, 138 in 2010, 222 in 2011, 207 in 2012, 222 in 2013 and 86 thru June 2014) About 36% (79) mention vandalism in 2011, 35% of the reports (74) mentioned vandalism in 2012, 37% (83) in 2013 and 39 (45%) thru June 2014. About 4% of the reports (9) mentioned gun or shots in 2011, 7% (15) in 2012, 9% (22) in 2013 and 16 (18%) thru June 2014 About 7% (17) mentioned cable theft in 2011, 8% (18) in 2012, 4% (9) in 2013 and 3 (2%) thru June 2014
VOIP Reporting 22
Duration Trends: DS 3 Non-Simplex 23
Duration Trends: E 911 24
Duration Trends: Wireline 25
Duration Trends: Wireless 26
Test for Trend in Event Duration Non-DS 3 -Simplex Outages Data from 1/12 thru 6/14 Rank Correlation of duration with date is. 007 and is not significant Conclusion: Non DS 3 Simplex Outages are unchanged in duration from 1/12 to 6/14 DS 3 -Simplex Events Only Data from 2/12 thru 6/14 Rank Correlation of duration with date is. 008 and is not significant Conclusion: DS 3 -Simplex Events are unchanged in duration from 1/12 to 7/14 27
Changes to NORS/DIRS 28 Changes to NORS/DIRS: ü Added ability to send text messages when DIRS is activated. Comments and suggestions are greatly appreciated
NRSC Activities 29 Current Teams Best Practices Team Outage Reporting Advisory Team Ø Ø Improvements to the NORS System Improvements to the template Recommended ways to communicate information Improvements to NORS/DIRS manuals Fiber Cut Team IP Transition Team Planned Maintenance Team: Examine planned maintenance events; recommend ways to upgrade the system without affecting service
- Slides: 29