1. 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

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

3. 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

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

5. 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

6. 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
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
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
© Crown copyright

7. 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 : b) outgoing: messages : 855,318 files :
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

8. Frost WMO Message Switching System
© Crown copyright

9. Frost WMO Message Switching System
© Crown copyright

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

11. 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

12. 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