Compliance Specifications of GISCs, DCPCs, and NCs in the WMO Information System

(WIS)

Presented 25 September 2008 at

Joint Implementation-coordination Meeting on the GTS-WIS MTN and Meeting of the CBS Expert Team on

GTS-WIS Operations and Implementation (ET-OI)

by Eliot Christian <echristian@wmo.int>

World Meteorological Organization (WMO)Observing and Information Systems Department

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 2

Authority of WIS Compliance Specifications

Existing centres within WMO Member States may apply for designation as one of the functional centres forming the core infrastructure of WIS: Global Information System Centres (GISCs) Data Collection or Production Centres (DCPCs) National Centres (NCs)

Designation requires a statement of compliance with required WIS functions, compiled by the Inter-Commission Coordination Group on WIS (ICG-WIS)

The approved WIS Compliance Specifications are the authoritative source for interoperable interfaces required of WIS GISCs, DCPCs, and NCs

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 3

Current centres WIS Centres

NMHS NC

RSMC DCPC

WMC DCPC and/or GISC

RTH DCPC

RTH on MTN DCPC and/or GISC

Others NC and/or DCPC

Major Components and Services of WIS:GISCs, DCPCs, and NCs

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 4

RTH – Regional Telecommunication Hub NMC – National Meteorological Centre DCs – Data Collectors/ Custodians

Major Components and Services of WIS:Interoperability and WIS Networking

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 5

Major Components and Services of WIS:Interoperability and WIS Networking

Da

ta a

nd

Pro

duct

Use

rs

Global Information System Centres

(GISCs)

Data Collection or Production Centres

(DCPCs)

National Centres (NCs)

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 6

Major Components and Services of WIS:Discovery, Access and Retrieval

Catalogue

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 7

Standardized Interface Example:Information Search and Retrieval (ISO

23950)

latitude, longitude boundaries

terms, etc.

  http://www.search.gov/gsdi/sru2kml.php? operation=searchRetrieve&version=1.1&  maximumRecords=100&recordSchema=XML&  query=(geo.bounds within/partial/nwse

"43.772 -101.411 31.7723 -77.7499") and (geo.keywords any "biologic ecologic")

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 8

Technical Specification of WIS Interfaces:Uploading Files / the GISCs "Cache

Interface Technical Specification

Required for:

NC DCPC GISC

1 Uploading of Metadata for Data and Products

2 Uploading of Data and Products 3 Centralization of Globally

Distributed Data

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 9

Technical Specification of WIS Interfaces:User Identification and Role

InformationInterface Technical Specification

Required for:

NC DCPC GISC

4 Maintenance of User Identification and Role Information

5 Consolidated View of Distributed Identification and Role Information

6 Authentication of a User 7 Authorization of a User Role

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 10

Technical Specification of WIS Interfaces:DAR Catalogue Search and Retrieval

Interface Technical Specification

Required for:

NC DCPC GISC

8 DAR Catalogue Search and Retrieval

9 Consolidated View of Distributed DAR Metadata Catalogues

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 11

Technical Specification of WIS Interfaces:Dissemination Metadata /

Downloading FilesInterface Technical Specification

Required for:

NC DCPC GISC

10 Downloading Files via Dedicated Networks

11 Downloading Files via Non-dedicated Networks

12 Downloading Files via Other Methods

13 Maintenance of Dissemination Metadata

14 Consolidated View of Distributed Dissemination Metadata Catalogues

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 12

Technical Specification of WIS Interfaces:Reporting of Quality of Service

Interface Technical Specification

Required for:

NC DCPC GISC

15 Reporting of Quality of Service

25 Mar 2008 WIS Compliance Specifications of GISC, DCPC, and NC 13

Questions?