IMPLEMENTATION-COORDINATION MEETING ON THE IMPROVED MAIN TELECOMMUNICATION NETWORK (IMTN) - CLOUD I (CBS/OPAG-ISS ) 27-29 November 2007 Washington, USA Chris Little, Met Office © Crown copyright

The Met Office [UK] RTH Status Report RTH & NMS connectivity from Exeter Message switching systems – Frost Message switching systems – DART

RTH GTS connectivity from Exeter Connection Circuits Protocol Infrastructure Type Melbourne, Australia CCT = 256Kbytes IP BW = 256Kbytes Alphanumeric GRIB T4 IP sockets Frame Relay Toulouse, France CCT = 3.75Mbytes IP BW = 3Mbytes FTP RMDCN Offenbach, Germany CCT = 2Mbytes IP BW = 2Mbytes RMDCN / Internet backup Rome, Italy All data Moscow, Russian Federation CCT = 512Kbytes IP BW = 512Kbytes Washington, United States of America CCT = 64Kbytes IP BW = 64Kbytes IP Sockets Frame Relay / ISDN backup © Crown copyright

RTH GTS daily traffic Country Messages in Messages out Volume in (Mbytes) Volume out (Mbytes) Melbourne, Australia 8168 47478 8.805 169.170 Toulouse, France 24997 113852 50.627 314.680 Offenbach, Germany 131155 83430 1563.179 273.350 Rome, Italy 2973 15384 5.277 39.936 Moscow, Russian Federation 4483 61566 12.303 317.908 Washington, United States of America 99197 90272 359.820 418.764 © Crown copyright

NMC GTS connectivity from Exeter Connection Circuits Protocol Infrastructure Type Brussels, Belgium CCT = 2Mbytes IP BW = 2Mbytes Alphanumeric GRIB T4 FTP RMDCN Montreal, Canada CCT = 64Kbytes IP BW = 64Kbytes All data IP Sockets / FTP Frame Relay Copenhagen, Denmark IP sockets Reykjavik, Iceland CCT = 128Kbytes IP BW = 128Kbytes Dublin, Ireland CCT = 1Mbytes IP BW = 1Mbytes De Bilt, Netherlands IP BW = 768Kbytes IP Sockets Oslo, Norway Lisbon, Portugal CCT = 768Kbytes IP BW = 768Kbytes Madrid, Spain ECMWF, United Kingdom Bilateral © Crown copyright

NMC GTS daily traffic NMC Messages in Messages out Volume in (Mbytes) Volume out (Mbytes) Brussels, Belgium 1390 16725 20.460 49.672 Montreal, Canada 9893 66822 1.534 201.462 Copenhagen, Denmark 752 35510 6.377 67.738 Reykjavik, Iceland 127 8277 0.48 11.808 Dublin, Ireland 1081 75789 1.165 80.947 De Bilt, Netherlands 2406 69094 12.447 170.235 Oslo, Norway 1076 50419 0.188 55.135 Lisbon, Portugal 895 29183 3.133 33.697 Madrid, Spain 1392 25109 2.473 36.810 ECMWF, United Kingdom 2376 113934 6.621 224.601 © Crown copyright

message : 2.4 Gbytes file : 1.6 Gbytes Daily data volumes Daily volume of message and file traffic through 16 GTS circuits: a) incoming: message : 2 Gbytes file : 0.6 Gbytes b) outgoing : message : 2.4 Gbytes file : 1.6 Gbytes Daily numbers of messages and files through 16 GTS circuits: a) incoming: messages : 289,784 files : 567 b) outgoing: messages : 855,318 files : 951 Daily Internet traffic volume: incoming : 2.6Gbytes outgoing : 15 Gbytes Daily volume on non-GTS connections: incoming : 24.8 Gbytes outgoing : 62.5 Gbytes © Crown copyright

Frost WMO Message Switching System © Crown copyright

Frost WMO Message Switching System © Crown copyright

Netlink FTP File Switch – data volumes (main) © Crown copyright

FTP transfers per day RMDCN WAN (other) Internet Vol (MB) Messages In Out Nat Met Centres Austria   100 570 Belgium Brazil 9 30 Canada 68 144 270 64 Croatia Czech Rep Denmark 70 86 627 Finland Greece Iceland Ireland 1 42 Italy 216 274 48 32 Japan 123 14 Netherlands 330 600 New Zealand 1567 13 Norway 180 45 Poland 1150 775 Portugal Sweden Switzerland Slovenia USA(NESDIS) 2365 2320 b/u © Crown copyright

FTP transfers per day RMDCN WAN (other) Internet Vol (MB) Messages In Out MTN RTHs Australia   184 377 115 397 70 210 France 85 1594 94 823 Germany 1102 669 Russia [476] [190] International ECMWF 11090 1000 1170 1663 Eumetnet 403 570 Commercial 60 partners 9940 9170 Research 8 partners 1373 © Crown copyright