Status of RTH TokyoStatus of RTH Tokyo

Japan Meteorological AgencyJapan Meteorological AgencyPresented by Kenji TsunodaPresented by Kenji Tsunoda

Joint implementation-coordination meeting on the GTS-WIS MJoint implementation-coordination meeting on the GTS-WIS MTN and meeting of the CBS Expert Team on GTS-WIS operatioTN and meeting of the CBS Expert Team on GTS-WIS operatio

ns and implementation (ET-OI)ns and implementation (ET-OI)

Geneva, 23-26 September 2008Geneva, 23-26 September 2008

1. Current status of the GTS -Region II (Asia)-1. Current status of the GTS -Region II (Asia)-

Vientiane

Baghdad

Doha

Kuwait

Bahrain

Dhaka

Yangon

Kathmandu

Kabul

Karachi

Colombo

Male

Hanoi

Phnom Penh

PyongYangAshgabad

Macao

64K

Dushanbe

Almaty

NI

NI

NI

Seoul

NI

NI

64K

9.6-26.4K (V.34)

14.4-28.8K (V.34)

64K64K

50

50

50

50

200

64K

64K

75

1200

50

100

9.6K

Offenbach

Offenbach

CairoAlgiers

Moscow

Kuala Lumpur

Tashkent

Novosibirsk

Khabarovsk

Bangkok

F/R CIR<16/16K>

F/R CIR<16/16K>

Washington

NI

NI

24-19.2K (V.34)

19.2-24K (V.34)

Regional Meteorological Telecommunication Network for Region II (Asia)Current status as of May 2008

Bishkek

64K

Singapore

RTH in Region II

NMC in Region II

Centre in other region

MTN circuitRegional circuitInterregional circuitAdditional circuit

Non-IP linkIP linkInternet E-mail transmission

NI No implementation

Tehran

Sanaa64K

Hong Kong

Moscow

NI

F/R CIR<32/32K>

Tokyo

IMTN-MDCN CIR<32/768K>

Manila

Internet

Jeddah

Muscat

64K

64K

64K

Washington

ISDN 128K

28.8-9.6K (V.34)

via Moscow 14.4-28.8K (V.34)

64K

64K

Thimpu

New Delhi

NI

768K

2.4K

75

64K

via Moscow

100

Ulaanbaatar14.4K

Abu-Dhabi

1200

64K

9.6-26.4K (V.34)

9.6-26.4K (V.34)

Melbourne

Melbourne

IMTN-MDCNCIR<16/32K>

32K

CMAPCVSAT

64K

75

CMAPCVSAT

CMAPCVSAT

512K

MPLS

IMTN MDCNMPLS

IMTN MDCNMPLS

IMTN MDCNMPLS

IMTN MDCNMPLS

IMTN MDCNMPLS

MPLS

Internet

Internet Beijing

2M

2M128K

1M

2M

1M

128K

512K

2M

2M128K

512K

2M

MPLS

2M

128K

Internet

Internet

Internet

Internet

Internet

F/R CIR<16/16K>

F/R CIR<16/16K>

F/R CIR<16/16K>

F/R CIR<16/16K>

Internet

Internet

Internet

Internet

Internet

EUMETSAT

MPLS 2M2M

Toulouse

Internet

64K

2. GTS links connected with RTH Tokyo2. GTS links connected with RTH Tokyo

Tokyo

Manila

Bangkok

New Delhi

Beijing

Hong Kong

Khabarovsk

Seoul

Melbourne

Washington

Washington

Melbourne

192kbps

64kbps

64kbps

Frame Relay (FR) Network-to-

network Interconnections

128kbps

Seoul

Khabarovsk

64 kbps

Dedicated line connections

BT FR Network

(Cloud I)

1.5Mbps

256kbps

1.5Mbps

Improved MTN (Two Seamless Networks)

1Mbps

2 Mbps

Hong Kong Bangko

k

OBS MPLS Network

(Cloud II)

MTN

• All links are being operated on TCP/IP basis.

• Six of nine are IP over Frame Relay.

• Two of nine are MPLS.

New Delhi

Beijing

Regional Telecommunication Hub (RTH) Tokyo

ManilaKDDI

FR Network

CATCATFR FR

NetworkNetwork

PCCWPCCWFR FR

NetworkNetwork

DACOMDACOMFR FR

NetworkNetwork

64kbpsPLDTPLDT

FR FR NetworkNetwork

128kbps

Regional circuits

Circuit Protocol Exchange data type

Washington Tokyo MTNTCP/IP SocketFTP (only from WT to TK)

Message (A/N, binary, fax)File (Satellite data)

Melbourne Tokyo MTNTCP/IP SocketFTP

Message (A/N, binary, fax)File (Satellite data)

Beijing Tokyo MTNTCP/IP SocketFTP

Message (A/N, binary, fax)File (Satellite data)

New Delhi Tokyo MTN TCP/IP Socket Message (A/N, binary)

Bangkok Tokyo RMTN TCP/IP Socket Message (A/N, binary)

Khabarovsk Tokyo RMTN TCP/IP Socket Message (A/N, binary, fax)

Seoul Tokyo RMTNTCP/IP SocketFTP

Message (A/N, binary, fax)File (Satellite data)

Hong Kong Tokyo RMTNTCP/IP SocketFTP

Message (A/N, binary)File (Satellite and one week

ensemble data)

Manila TokyoInter-

regionalTCP/IP Socket Message (A/N, binary)

3. Implementation status of GTS circuits3. Implementation status of GTS circuits

4. Traffic status of the Tokyo-Washington link4. Traffic status of the Tokyo-Washington link CIR=32kbpsCIR=768kbps

Tokyo FR Washington

1.5Mbps1.5Mbps

1093 Mbytes/day

25 Mbytes/day

50% of CIR

40% of CIR

5. Traffic status of the Tokyo-Melbourne link5. Traffic status of the Tokyo-Melbourne linkCIR=16kbps

CIR=32kbps

Tokyo FR Melbourne

256kbps1.5Mbps191 Mbytes/day

135 Mbytes/day

200% of CIR

100% of CIR

6. Traffic status of the Tokyo-Beijing link6. Traffic status of the Tokyo-Beijing link Tokyo MPLS

Beijing

2 Mbps1 Mbps

434 Mbytes/day

441 Mbytes/day

7. Traffic status of the Tokyo-New Delhi link7. Traffic status of the Tokyo-New Delhi link Tokyo MPLS

New Delhi

128 kbps1 Mbps

3 Mbytes/day

41 Mbytes/day

8. Traffic status of the Tokyo-Khabarovsk link8. Traffic status of the Tokyo-Khabarovsk link Tokyo Dedicated line

Khabarovsk

64 kbps1 Mbps

2 Mbytes/day

17 Mbytes/day

9. Traffic status of the Tokyo-Bangkok link9. Traffic status of the Tokyo-Bangkok linkTokyo FR Bangko

k128kbps192kbps

FR

CIR=16kbpsCIR=16kbps

2 Mbytes/day

59 Mbytes/day

100% of CIR

10. Traffic status of the Tokyo-Hong Kong link10. Traffic status of the Tokyo-Hong Kong linkTokyo FR Hong Kong

64kbps192kbps

FR

CIR=16kbpsCIR=16kbps

170 Mbytes/day

100% of CIR

7 Mbytes/day

11. Traffic status of the Tokyo-Seoul link11. Traffic status of the Tokyo-Seoul link CIR=16kbpsCIR=16kbps

Tokyo FR Seoul

64kbps192kbps

FR

233 Mbytes/day

18 Mbytes/day

100% of CIR

12. Traffic status of the Tokyo-Manila link12. Traffic status of the Tokyo-Manila link CIR=16kbpsCIR=16kbps

Tokyo FR Manila

64kbps192kbps

FR

45 Mbytes/day

1 Mbytes/day

100% of CIR

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

Message/File Switching System

Intranet systems

NWP system

Back-end system

UNIX Operating system

CPU 1.9GHz X 4

Memory 8GB

UNIX Operating system

CPU 1.9GHz X 4

Memory 8GB

Message editing

Fax format conversion

BUFRencode & decode

WMO monitoringShared disk

　　 GTS GTS linkslinks

cluster control

InternInternetet

13. GTS facilities in RTH Tokyo -Conceptual design-13. 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.

14. JMA Internet Connection14. JMA Internet Connection

DMZLoad Balancer

Public Servers

JMAIntra-net

ISP #1

Router Controllers

Firewalls

Packet Shapers

20Mbps

Internet

ISP #2

20MbpsMulti-homedconnectionsfor reliability

FTP Servers

• Multi-homed connections to Multi-homed connections to Internet with two dedicated Internet with two dedicated links since 2001links since 2001

• Two 20 Mbps links in Two 20 Mbps links in operation: one since operation: one since February 2005, the other February 2005, the other since March 2006 since March 2006

2007

2008

ISP #1

ISP #2

Thank youThank you