1. Outcome of the ET-CTS Meeting (Toulouse, 26-30 May 2008)
WORLD METEOROLOGICAL ORGANIZATION
Weather – Climate - Water
Outcome of the ET-CTS Meeting (Toulouse, May 2008)
World Meteorological Organization

2. World Meteorological Organization
ET-CTS
CONGRESS
World Meteorological Organization

3. World Meteorological Organization
ET- CTS AGENDA
1. ORGANIZATION OF THE MEETING (ET-CTS)
Opening of the meeting
Adoption of the agenda
Working arrangements
2. REVIEW OF THE CURRENT STATUS OF IMPLEMENTATION OF TCP/IP PROCEDURES AND APPLICATIONS AT GTS CENTRES
3. RECOMMENDED PRACTICES FOR DATA COMMUNICATION AND DATA ACCESS PROCEDURES
IPv6 and Multicast procedures
Authentication and certification procedures (consider WIS development)
Special arrangements for highest priority exchange, e. g. warning messages (Virtual sub-networks, Header-based procedures, etc.)
4. GUIDANCE FOR IMPLEMENTATION OF DATA COMMUNICATION FACILITIES (GTS & INTERNET) AT WWW CENTRES
Review of Guide on Information Technology Security (ITS) at WWW centres
Review of Guide on Internet Practices
Review of the WMO File-naming conventions
4.4 Update of the Guide on Virtual Private Network (VPN) via the Internet between GTS centres
WIS PROJECT AND IMPLEMENTATION
6. REVIEW AND FURTHER DEVELOPMENT OF THE IMPROVED MTN PROJECT
Technical aspects of IMTN
Administrative aspects of IMTN
Review of the outcome of the latest meetings on IMTN Cloud I and Cloud II (RMDCN)
Evolution towards the WIS core network
7. GUIDANCE ON DATA-COMMUNICATION SERVICES FOR GTS-WIS IMPLEMENTATION
Satellite-based telecommunication services
Managed data-communication network services
Impact of any-to-any connectivity of MPLS-based networks on agreed GTS traffic flow
Internet-based services
WIS DATA COMMUNICATION STRUCTURE
Review of WIS services with required specifications and WIS components
Organization and design of WIS data communication structure
- Part A: improved GTS for time-critical and operation-critical data for all WMO programmes
- Part B: for data discovery, access and retrieval services, incl. timely delivery services
Coordinated data-distribution systems (including IGDDS)
8.4 Strategy for phased implementation of WIS data communication structure
FUTURE WORK PROGRAMME
World Meteorological Organization

4. IMPROVED MAIN TELECOMMUNICATION NETWORK
(IMTN)
Exeter
Sofia
Melbourne
Buenos Aires
Tokyo
Beijing
Nairobi
Washington
Network I
Jeddah
Prague
Toulouse
Dakar
Algiers
Offenbach
Brasilia
Cairo
Managed
data communication network
New Delhi
Moscow
Network II
World Meteorological Organization

5. World Meteorological Organization
TOWARDS A WIS CORE NETWORK
GTS
IMTN
WIS core network
More than 180 centerts
Max 18 centerts
Less than 10 centerts
IMTN
cloud I
WIS core network
cloud II
World Meteorological Organization

6. World Meteorological Organization
DISCOVERY, ACCESS AND RETRIEVAL
WIS
core network
Internet
Discovery, Access and Retrieval (DAR)
Connectivity of DAR services
World Meteorological Organization

7. Example of GMDCN with gateways World Meteorological Organization
Site D acts as a gateway
for Site F
Site A acts as a gateway
for Site G
(Target: as big as possile)
World Meteorological Organization

8. World Meteorological Organization
Regional Meteorological Data Communication Networks (RMDCNs)
Each GISC is responsible for managing telecommunication and data flow in its area of responsibility
World Meteorological Organization

9. World Meteorological Organization
ET-CTS Future Work Programme
World Meteorological Organization