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Developing Mobile Applications within an Enterprise Architecture
CASE STUDY
Deputy Under Secretary of Defense (OUSD)Military Community & Family Policy (MC&FP)
Military Installations Mobile Application
By: Robin Parrish – eSpatial Inc – VP Business Development
Matt Bafford - eSpatial Inc – Senior Consultant
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Presentation Outline
• Military Installation Requirements
• Application Components
– Demo of Desktop Application
• The Enterprise Architecture
• Mobile Development Approach
• Examples of Mobile Application
• Conclusion
– Value of the Enterprise Architecture
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MilitaryINSTALLATIONS Requirements
• Deliver a user friendly GUI with Google Maps like functionality Pan/Zoom, ToolTips, Interactive
• GeoCode existing address of base level services as defined by DoDITC
• Enable geospatial searches for base level services• Easy of Use
– Hide traditional GIS complexity from end users
• Display and query “Nearby” Points of Interest Data • Route between base level services and POI’s• Extend and use existing Oracle DB platform
Storage and analysis of geospatial data in Oracle Spatial Implementing the Oracle LBS API for routing
Support service personnel on travel via mobile devices
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Application Components
• Integrated through the MilitaryHOMEFRONT Oracle Portal– Standard web browser application
• Oracle 10g Database and Application Server• Oracle Spatial with LBS API• eSpatial’s iSMART development framework• NAVTEQ Data• Real-time Custom Weather services via XML• Application available to industry standard
Mobile devices
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Enterprise Architecture
DatabaseDatabaseServerServer
Development Server
•Oracle AS 10g•Oracle Portal•iSMART 5.1
Oracle DB EE 10gR2Oracle SpatialOracle RAC
•Oracle 10g OC4J•iSMART 5.1 Dev
Deployment Server8 CPU Linux Server
2X8, 1X4 CPU Clustered Linux ServersRedhat EE vs 3.4.6
17,000,000 + spatial geometries (SDO_Geo)USA, Germany, England, Belgium, Portugal,Italy, Spain84GB Spatial Data2.2GB Business/textual Data
Military HomeFront Portalwww.militaryhomefront.dod.mil
Military Installations Applicationwww.militaryinstallations.dod.mil
Military Installations Mobile Applicationwww.militaryinstallations.dod.mil/mobile
100,000 hitsPer month
DatabaseDatabaseServerServer
DatabaseDatabaseServerServer
XML Weather Service
OGC Image Service
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Example of Web Application
Military HomeFront Portal
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Mobile Application Requirements
• Must use the existing Enterprise Infrastructure
• All functionality must be available to the mobile device– Map rendering and navigation including pan/zoom– Routing– POI searches– External services – weather/image
• MUST BE INTUATIVE AND EASY TO USE
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Development Considerations
• Limitations of Mobile Devices– Support of JavaScript– Navigation tools– Interactive Screens– No cursor– Limitation of various mobile browsers
– Blackberry– Windows CE / Mobile Internet Explorer
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Development Approach
• Mobile Specific Path– http://militaryinstallations.dod.mil/mobile/
• WURFL – Exact match / Loose match– Only trust exact match– Screen size
• Windows Headers– Screen size
• BlackBerry User Agent• Automatic redirect if sure
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Development Approach (Cont.)
• SiteMesh– Page headers and overall layout differences
• Struts– Model View Controller– Same code for different presentation
• JSP Includes– Majority of HTML same for mobile/desktop
• CSS / HTML– HTML tags indicate content type– CSS indicates content style
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Conclusion
Advantages of the Enterprise Architecture
• Single source of data• Single source of application code• Web application code mostly reusable • Server side processing
– No need for any application code on the mobile device• Ability to integrate web services at the middel tier
– OGC WMS Image Services– XML Weather Services
• Leverage Enterprise Security Model if required
CHEAP AND FAST TO BUILD THE MOBILE APPLICATION