Outcome of the ET-CTS Meeting (Toulouse, 26-30 May 2008) WORLD METEOROLOGICAL ORGANIZATION Weather – Climate - Water Outcome of the ET-CTS Meeting (Toulouse, 26-30 May 2008) RMDCN Steering Group meeting, Vienna, Austria, 3-6 June 2008 José Arimatéa de Sousa Brito Information and Telecommunication Services Division Observing and Information Systems Department World Meteorological Organization

World Meteorological Organization ET-CTS CONGRESS World Meteorological Organization

ICG-WIS-3 (Beijing, 5-8 September 2006) ET-CTS-1 (Tokyo, 25-28 April 2006) Follow-up discussion Outcome Interim Report ICG-WIS-3 (Beijing, 5-8 September 2006) Compiling further study items ICG-WIS-4 (Reading, 4-7 September 2007) Progress Report ICM-IMTN (cloud I) (October 2007) Contribution We are here RA VI ROC & Steering Group Meeting (Vienna, 3-6 June 2008) ET-CTS-2 (Toulouse, 26-30 May 2008) Outcome VGISC-info & ET-WISC (Darmstadt, 10-13 June 2008) Dratf Recommendation ICG-WIS-5 (Brasilia, 14-17 July 2008) Follow-up Discussion ICT-ISS (4Q 2008) Recommendation CBS-XIV (Croatia, 25 March-2 April 2009) World Meteorological Organization

World Meteorological Organization Frame Relay issue: Example in Asia World Meteorological Organization

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

World Meteorological Organization 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

World Meteorological Organization DATA COMMUNICATION NETWORK 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

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