1. 1 ISO WAF Community Catalog Product Access Servers Registry Clearinghouse(s) GEO Portals Community Portals Users Client Apps GetCapabilities ISO 19115 Publish Find Bind Service Broker Service User Service Provider UC 1: Register Comm Cat UC 2: Deploy Service UC 3: Publish Metadata UC 3: Harvest Com Cat UC 4: Clients Search Clearinghouse UC 3: Find Cat UC 5: Present reachable services UC 6: Interact services UC 7: Exploit services visually UC 8: Construct Workflow UC 9: Test Service

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3. 3 Registered Community Resources Community Portals Client Applications Client Tier Business Process Tier Community Catalogues Alert Servers Workflow Management Processing Servers Access Tier GEONETCast Product Access Servers Sensor Web Servers Model Access Servers GEOSS Clearinghouse GEO Web Portals GEOSS Common Infrastructure Components & Services Standards and Interoperability Best Practices Wiki User Requirements Registries Main GEO Web Site AIP-2 Augmenting GCI