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TELECOMMUNICATION AT THE TIME OF DISASTER HIROAKI TAKEICHI Executive Vice President Communications...
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Transcript of TELECOMMUNICATION AT THE TIME OF DISASTER HIROAKI TAKEICHI Executive Vice President Communications...
TELECOMMUNICATIONAT
THE TIME OF
DISASTER
HIROAKI TAKEICHIExecutive Vice President
Communications and Information network Association of Japan
(CIAJ)
1
Lessons & Measures:
EAST JAPAN EARTHQUAKE DAMAGES
[GENERAL]
MAGNITUDE 9.0
TSUNAMI 40-50 m high
CASUALTIES 15,544 (MOSTLY DROWN)
MISSING 5,383
FISHING BOAT MISSED/LOST 22,000+
DAMAGED BUILDINGS 220,000+
REFUGEES 400,000+
LOST VALUE \20 Trillion+
[TELECOM]
FIXED LINES LOST 2,000,000+
MOBILE BASE STATION LOST 15,000+2
Date of Disaster: March 11, 2011
WHAT HAPPENED ON TELECOM SYSTEMS
A. STRICKEN AREA1. Telecom Infrastructure Destroyed (FIXED + MOBILE)2. Lack of Communications Methods at Shelters3. Limited Means to Locate the Refugees4. Lack of Electricity5. Residents’ Information Disappeared
B. Tokyo AREA (earthquake intensity level 5)•Heavy Traffic Congestion
3
TRAFFIC JUMP RIGHT AFTER EARTHQUAKEVOICE PACKETTohoku Tohoku
Tokyo TokyoBefore After Before After
1
60
1
40
OUTGOING INCOMING
Before After Before After
1
3-4
1
3-4
Before After Before After1
50
1
20
Before After Before After
1
2-3
1
2-3OUTGOING INCOMING INCOMINGOUTGOING
OUTGOING INCOMING
4
Example: NTT docomo
CIAJ Recommendations to Japanese Government“WHAT TO DO TO KEEP AWAY FATAL CONFUSION” (Excerpts)
A. STRICKEN AREA1. Prepare More Batteries and Self-Power-Supplied Base
Station.
2. Deploy Properly Emergency Communication Systems, i.e. Satellite phones, MCA, and etc.
3. Let known The Effectiveness of IP-Based Communication, including SNS.
4. Converge Both Telephone-Based and Web-Based Message Boards.
5. Keep BACKUP DATA dispersively including residential information. 5
CIAJ Recommendations to Japanese Government “WHAT TO DO TO KEEP AWAY FATAL CONFUSION”
B. Metropolitan Area
1. Prepare Systems for emergency information dissemination on mobile phone.
2. Keep Multiple Routes available - Automatic Transfer to / from IP and Telecom Networks.
3. Connection First, Quality Second.
6
Telecom Network and IP Network at the Time of Disaster
Heavy
Congestion
Telecom Network(Fixed / Mobile)
Telecom (Fixed / Mobile)
IP NetworkIP Network
7
Lost / Disconnected
S / F network regulates traffic peak
Convergence of Message Boards
All in one
Cloud
Telecom Network Voice Message
Text Message (Mobile Phones)
Internet
Record Voice
Message
Emergency Message BoardCapacity: 8million Messages
Receive Voice
Message
Emergency Message BoardMessage Storage
Message Storage
Message Storage
Message Storage
Message Server
Retrieve Text
Message
Message Storage
Text / Voice / Movie
Web
Registration phone#
8
Expand “Area Mail” System of Mobile Phone Network
Add on the Following
informationJAPAN
Meteorological
Agency
Message Board Information
Telecom Congestion Information
Evacuation
Information
Earthquake Warning
Warning Message
Current System
9
Local Government
Mobile Company
Automatic Call Transfer System
Telecom (Voice) NetworkREJECTS BUT TRANSFERS TO
Caller(Voice Message)
“I’m all right in
Shelter A”
Coding Voice Message to Packet File
Server
Packet / IP Network Voice Message
in Packet File
“I’m all right in Shelter A"
ReceiverTransmits
Packet File
10
Fallen Antenna Tower
Base Station Moved by Tsunami
11(photo by NTT docomo)
Damages (1)
Damage on Retailer
Inside Base Station
12(photo by NTT docomo)
Damages (2)
After the Disaster
13
1. Telecom Operators had their business return to normal in one and a half months.
2. Telecom vendors also recovered from the crucial damages in a few months.
3. Core of Japan survived and re-construction already started, and most of the areas are safe and sound.
Tokyo at the Earthquake
14
Tokyo suffered NO building fallen or ruined; even NO glasses dropped out of sky scrapers.Tokyo well survived, except the short traffic jam.
So, come to Tokyo!
15
TOKYO SKY TREE(Finished construction after 3.11)
Photo by TOKYO SKY TREE