Directory and Map Service Operational Concept  Provides Business directory listings to cell phone users  Provide maps of specified area  Provide driving directions to any destination

System Requirements  Allow user to easily access fast and reliable information  Service has to be cheap

System Architecture  Midlet on phone interacts with user and communicates with Servlet  Servlet gets requested information from third party web pages  Servlet processes information formats it to send to the midlet  Midlet Displays Received information

Life Cycle Plan  Useful for  Day to Day errands  Business transactions like delivery services  Service Provided by cell phone company  May be become worthless as web pages providing this information become easy and cheap to access

Feasibility  Directory information easy to access and extract desired information  Maps may prove difficult to get useful clear image because phones vary in screen size, resolution etc.  Heavily dependent on external sources  A change in format could cause problems