1. Objective
   1. to Design and Build a Public Bus Service Simulator
   2. distributed system
   3. requirements
      1. Technical details
         1. Tomcat
         2. java
         3. JSP
         4. Java Remote Method Invocation for network messaging (RMI)
      2. Functionality details
         1. Interface between modules
            1. testing using Bridge mechanism
2. Planning
   1. Development ideas
      1. identify main entities
      2. identify their atts
      3. implement
      4. refine the model by adding new atts
      5. refine the model by adding new entities
   2. steps
      1. define a "core"
         1. what're most important
      2. add to the "core"-->"core+"
         1. more functionality
      3. define task flow
3. Structure
   1. city map editor (CME)
      1. generic city map creator
         1. buses
            1. orientation
            2. unique number
         2. route
            1. direction
            2. name
      2. requirement
         1. schematic in presentation
         2. manipulate graphical information
      3. components ideas
   2. Control Centre
      1. Objective
         1. GUI
         2. register the sub systems
         3. exchange data from other subsystems
      2. requirement
         1. control
         2. viewing
         3. logs
      3. component
   3. Database
      1. Requirement
         1. Store system's data
      2. data dictionary
         1. uniform set of system objects
         2. details of system objects
   4. Navigator
      1. Requirement
         1. get RMI from scheduler
         2. calculate action for the bus to take
   5. Scheduler
      1. buses movement
      2. Requirement
         1. control dynamic entities
         2. calculate the route for buses to move
         3. speed up/ slow down the bus based on conditions
   6. Setup
      1. server
      2. inital values
   7. Tracker (outside look)
      1. render city layout
      2. update buses position
      3. passengers
      4. traffic lights