1. 1 Chunghwa Telecoms Crisis Management in Response to Taiwan Earthquake Disaster Chunghwa Telecoms Crisis Management in Response to Taiwan Earthquake Disaster Chunghwa Telecom Co., Ltd. By Jackie KUO Senior Engineer Network Department, CHTI

2. 2 Contents 1. Chunghwa Telecom Organization 2. CHT Int'l Networks /Facilities 3. Earth Stratum Around Taiwan 4. Hengchun Earthquake Reports 5. Earthquake Hits and Cable Faults 6. Impact on Intl Internet Traffic 7. CHTs Crisis Management 8. Traffic and System Recovery 9. Recommendations

3. 3 1. Chunghwa Telecom Organization

4. 4 Japan (Okinawa) ST-1 2. CHT International Networks and Facilities Korea Philippines SMW-3 TOUCHENG KAOHSIUNG FANGSHAN TAIPEI IOR 62 0 E POR 176 0 E POR 174 0 E IOR 60 0 E POR 180 0 E China-US APCN IOR 64 0 E Singapore China (Shantou) China(Shantou) China(Shanghai) KAO-A ISC TPE-B ISC TPE-C ISC Okinawa ST-1 POR 88 0 E Philippines H.K Japan China (Shantou ) H.K. China (Shanghai) KAO-B ISC TANSHUI APCN2 China (Shantou) Japan (Chikura) APCN2 SMW-3 Japan Philippines H.K EAC C2C H.K. Japan H.K IOR POR FNAL/RNAL HK Japan

5. 5 3. The Earth Stratum Around Taiwan

6. 6 3 (contd) Previous Earthquake Epicenters & Scales in Taiwan Area

7. 7 4. Hengchun Earthquake Reports (CWB)

8. 8 5. Cable Faults and Hengchun Earthquakes NoEventsTime (Taiwan GMT+8HRs) H011st Earthquake HitDec-26-2006 - 20:26:24.9 01SMW3-S1.8 Cable FaultDec-26-2006 - 20:27 02 CH-US CN-W2 Cable Fault Dec-26-2006 - 20:27 H022nd Earthquake HitDec-26-2006 - 20:34:21.1 03SMW3-S1.7 Cable FaultDec-26-2006 - 20:41 04APCN2-S7 Cable FaultDec-27-2006 - 00:06 05APCN2-S3 Cable FaultDec-27-2006 - 02:00 06 APCN-S1-B17 Cable Fault Dec-27-2006 - 02:16 07 CH-US CN-S1 Cable Fault Dec-27-2006 - 03:02 08APCN-S2-B5 Cable FaultDec-27-2006 - 04:55 09 CH-US CN-W1 Cable Fault Dec-27-2006 - 10:04

9. 9 5 (contd) Diagram of Earthquake Epicenters & Locations of 9 Initial Faults To SHT To CHM To SHT To PHL,MAL,SNG To HKG To SHT To HKG To OKI To Korea, Japan To CHM To USA A P C N ( B 1 7 ) C H - U S A P C N S y s 1 A P C N S y s 2 A P C N 2 C H - U S A P C N 2 S M W 3 Locations of Cable Faults S M W 3 ( S 1. 8 ) S M W 3 ( S 1. 7 ) C H - U S ( W 1 ) A P C N 2 ( S 3 ) C H - U S ( S 1 ) A P C N ( B 5 ) A P C N 2 ( S 7 ) Tanshui Toucheng Fangshan C H - U S ( W 2 ) 1 2006/12/26 20:26 GMT ML: 7.0 1 2 2006/12/26 20:34 GMT ML: 7.0 2

10. 10 Internet Service (HiNet by CHT) : Availability USA 100% Japan 98% China 26% Hong Kong 0% 6. Impact on International Internet Traffic

11. 11 1)Following the pre-defined SOP to form a Operational Commanding Center, for the following actions: Activate immediate traffic restoration, request ad-hoc circuit arrangement with all possible resources, arrange cableship for emergency cable repair work. To care customers and provide them with updated traffic restoration status in a timely manners To hold press conference and from time to time release traffic status and cable repair progress To report to the authority – National Communications Commission, the disaster status and the measures 7. CHTs Crisis Management

12. 12 2) Traffic restoration priority order: Air traffic control, Banking and financial security deals, and Voice 3) Reroute traffic through other cables or rent capacity from private cable operators to connect HKG, China, Singapore, Malaysia 4) Set up communication links with Singapore, Macau, Thailand and Indonesia via ST-1 & Intelsat satellites 5) Detour some of intl private lines through SingTel, CT, Reach, TM and other partners 6) Help SingTel, CT, Reach and other carriers by local terrestrial links for transit traffic through Taiwan 7. CHTs Crisis Management (contd)

13. 13 1) Internet (HiNet) Area12/2612/2712/281/5 USA100% Japan100%98.08% China100%25.83%41.94%45.17% Hong Kong 100%0%27.28% Total100%76.92%82.67%82.97% Availability % of HiNet Intl Links * With backup from private cable EAC * 8. Traffic and System Recovery

14. 14 2) Cableship Activation 8. Traffic and System Recovery (contd) CABLE RETRIEVER ASEAN RESTORER 1/4 on-site 1/3 on-site KDD PACIFIC LINK 1/10 on-site 1/11 on-site KDD OCEAN LINK SEGERO 1/6 on-site

15. 15 3) Cable Systems Repair Operation 8. Traffic and System Recovery (contd) CableSegmentCableshipRecovered date CH-US S1SEGERO 1/14 (9 days) W1KOL 1/11 (8 days) W2KOL 1/23 (12 days) SMW3 S1.7CS Retriever 1/18 (9 days) S1.8CS Retriever 1/27 (16 days) APCN2 S7KPL 1/30 (19 days) S3KPL 2/10 (11 days) APCN B17 (System 1)Asean Restorer 1/24 (14 days) B5 (System 2)Asean Restorer 2/2 (9 days)

16. 16 9. Recommendations#1 – Crisis Management 1) Get Prepared for the Worst Case SOP, Restoration Exercise, Trial, Regular, Bi-lateral, and Ad-hoc Restor, Plan In Advance Permission In-general 2) Treasure the Customers Care and Keep Informed of Status/Progress 3) Competition and Cooperation–All Resources 4) Information Release to the Press and Public

17. 17 9. Recommendations#2–Network Improvement 1) Construct More Large Capacity Networks Self-Healing Multiple Ring Configuration Avoid the Trouble Waters – Route Selection 2) Route Diversity Design and Plan Regular Customer Circuits – Working and Prot. Mutual Restoration Plan - Diversified 3) Enhance International Telecoms Cooperation Establish a Mechanism to Share Resources Map Out Detailed Restoration Plan/Procedures

18. 18 Thank You !