Web Server and Web Engine

• Windows Server 2003 or above
• .Net Framework 2.0 or above
• ASP.Net 2.0 extensions

Database

• Commercial: Microsoft SQL Server 2008

Mapping and Map Server Technology

• Commercial: ESRI ArcGIS Server Workgroup and Enterprise (Standard or Advanced)
• Open Source: GeoServer or other WMS compliant server
• Commercial Map Services: ArcGIS Online, Google Maps, Bing Maps
  
• Geocoding data source: ArcGIS Server Geocoding Services, ArcGIS Online, Google Maps, MS Virtual Earth, OpenStreetMap

Spatial Data

• Spatial coordinates are stored in two database columns
• Points are stored in an ArcGIS Server Enterprise geodatabase or PostGIS database
• Supports geographic data stored as shapefiles, images, PostGIS or geodatabase feature classes.