Transcript Status of RTH Tokyo Japan Meteorological Agency Presented by Tatsuya Noyori Expert Team on WIS-GTS Communication Techniques and Structure (TOULOUSE, France, 26-30 MAY 2008)

Status of RTH Tokyo
Japan Meteorological Agency
Presented by Tatsuya Noyori
Expert Team on WIS-GTS
Communication Techniques and Structure
(TOULOUSE, France, 26-30 MAY 2008)
1. Current status of the GTS -Region II (Asia)RTH in Region II
NMC in Region II
64K
Moscow
Centre in other region
Khabarovsk
MTN circuit
Regional circuit
Interregional circuit
Additional circuit
No implementation
NI
64K
24-19.2K (V.34)
Toulouse
Internet
Bishkek
Ashgabad
Baghdad
9.6-26.4K (V.34)
NI
Tashkent
via Moscow
Ulaanbaatar
19.2-24K(V.34)
NI
2M
NI
512K
Kuwait
64K
64K
64K
50
Internet
Abu-Dhabi
Washington
64K
Seoul
2M
Thimpu
Offenbach
NI
128K
New Delhi
Internet
75
NI
Internet
Melbourne
Internet
100
64K
IMTN MDCN
MPLS
128K
64K
Internet
50
Yangon
200
64K
F/R CIR
<16/16K>
9.6K
Vientiane
Colombo
Sanaa
ISDN
128K
1M
Hanoi
Moscow
Dhaka
F/R CIR
<16/16K>
Internet
Cairo
Muscat
Macao
CMA
PCVSAT
100
F/R CIR
<16/16K>
1200
50
Male
Bangkok
75
IMTN-MDCN
CIR<16/32K>
Manila
Internet
Phnom Penh
Singapore
Regional Meteorological Telecommunication Network for Region II (Asia)
Current status as of 25 September 2007
F/R CIR
<16/16K>
32K
Hong Kong
CMA
PCVSAT
Kathmandu
64K
64K
64K
75
2M
MPLS
50
128K
Internet
Internet
IMTN MDCN 2M
MPLS
MPLS
1200
Internet
Karachi
2M
Doha
64K
Algiers
100
200
Jeddah
Kabul
1M
IMTN MDCN
MPLS
2M
F/R CIR
F/R CIR
<16/16K>
<32/32K>
Beijing
IMTN MDCN
MPLS
NI
Internet
Bahrain
NI
Tokyo
64K
2M MPLS 2M
128K
50
768K
PyongYang
2M
CMA
PCVSAT
EUMETSAT
512K
Dushanbe
Offenbach
IMTN MDCN
MPLS
Internet
Tehran
64 k
14.4K
2.4K
Internet
via Moscow
2M
MPLS
9.6-26.4K (V.34)
IMTN-MDCN
CIR<32/768K>
14.4-28.8K (V.34)
28.8-9.6K (V.34)
64K
Non-IP link
IP link
Internet E-mail transmission
512K
MPLS
9.6-26.4K (V.34)
NI
NI
Novosibirsk
Almaty
19.2-24K (V.34)
Washington
64K
64K
F/R CIR
<16/16K>
Kuala Lumpur
Melbourne
2. GTS links connected with RTH Tokyo
64kbps
Hong Kong
64kbps
Seoul
PCCW
FR Network
CAT
FR Network
MTN
Regional circuits
128kbps
Bangkok
KDDI
DACOM
PLDT
FR
Network
FR Network
FR Network
64kbps
Washington
Manila
Frame Relay (FR)
Network-to-network
Interconnections
192kbps
Khabarovsk
Beijing
64 kbps
Khabarovsk
Dedicated line
connections
OBS
MPLS Network
(Cloud II)
1.5
Mbps
BT
FR Network
(Cloud I)
Tokyo
New Delhi
Hong
Kong
Regional Telecommunication Hub (RTH) Tokyo
1Mbps
Seoul
Bangkok
Manila
Melbourne
1.5
128
256
2 Mbps
Mbps • All links are being operated
kbps
kbps
New Delhi
Beijing
Melbourne Washington
on TCP/IP basis.
Improved MTN (Two Seamless Networks)
• Six of nine are IP over
Frame Relay.
• Two of nine are MPLS.
3. Traffic status of the Tokyo-Washington link
CIR=32kbps
CIR=768kbps
Tokyo
26 Mbytes/day
1160 Mbytes/day
1.5Mbps
FR
Washington
1.5Mbps
4. Traffic status of the Tokyo-Melbourne link
183 Mbytes/day
157 Mbytes/day
CIR=16kbps
CIR=32kbps
Tokyo
1.5Mbps
FR
Melbourne
256kbps
5. Traffic status of the Tokyo-Beijing link
441 Mbytes/day
464 Mbytes/day
Tokyo
MPLS
1 Mbps
Beijing
2 Mbps
6. Traffic status of the Tokyo-New Delhi link
41 Mbytes/day
1 Mbytes/day
Tokyo
MPLS
1 Mbps
New Delhi
128 kbps
7. Traffic status of the Tokyo-Khabarovsk link
11 Mbytes/day
2 Mbytes/day
Tokyo
1 Mbps
Dedicated
line
Khabarovsk
64 kbps
CIR=16kbps
8. Traffic status of the Tokyo-Bangkok link
60 Mbytes/day
1 Mbytes/day
Tokyo
192kbps
FR FR
CIR=16kbps
Bangkok
128kbps
9. Traffic status of the Tokyo-Hong Kong link
CIR=16kbps
Tokyo
197 Mbytes/day
1 Mbytes/day
192kbps
FR FR
CIR=16kbps
Hong Kong
64kbps
10. Traffic status of the Tokyo-Seoul link
CIR=16kbps
Tokyo
229 Mbytes/day
6 Mbytes/day
192kbps
CIR=16kbps
FR FR
Seoul
64kbps
11. Traffic status of the Tokyo-Manila link
CIR=16kbps
Tokyo
46 Mbytes/day
1 Mbytes/day
192kbps
CIR=16kbps
FR FR
Manila
64kbps
12. GTS facilities in RTH Tokyo -Conceptual design• Central
telecommunication
facility in JMA was
fully replaced in
October 2005.
• The new GTS
switching system is
composed by two
UNIX servers in a
cluster.
Message/File Switching System
UNIX Operating system
CPU
1.9GHz X 4
Message editing
Fax format
conversion
Memory 8GB
cluster control
Back-end system
BUFR
encode & decode
Shared
disk
WMO monitoring
UNIX Operating system
GTS
links
CPU
1.9GHz X 4
Memory 8GB
Major functions supporting GTS operations
+ Message and Fax exchanges by both socket and so-called batched ftp through GTS
+ File exchanges by ftp through GTS
+ Collection of observational data by e-mail via the Internet
NWP system
Intranet systems
Interne
t
13. JMA Internet Connection
• Multi-homed connections to
Internet with two dedicated links
since 2001
• Two 20 Mbps links in operation:
one since February 2005, the
other since March 2006
Internet
ISP #1
20Mbps
JMA
Intranet
ISP #2
Multi-homed
connections
for reliability
20Mbps
Packet Shapers
Router Controllers
Firewalls
ISP #1
Load Balancer
DMZ
FTP Servers Public Servers
ISP #2
2007
2008
Thank you