Development methodologies

Development methodologies

1. Linear

   • Waterfall
     • Easy to manage
     • Close control of budget
     • Inflexable
     • Less creative

2. Iterative

   • Includes lots of client involvement
   • small stages of solution more refined
   • Agile
     • XP
       • Client req. based on 3 sentences
       • Team comes up with idea on project time
         • Release planning meeting
           • when prototypes need to be ready
     • Crystal
       • Focus on people
       • Looking for compact teams
       • minimizing paperwork
       • Improved communication
         • Same room
     • RAD
       • Uses computerised development tools
         • GUI
         • CASE
         • DBMS
       • Uses prototyping
       • Quick solution
       • Not technical perfect solution
       • High quality dev achived by
         • Use of focus groups
         • User testing of design
         • Reusing software components
     • Scrum
       • Breaking problem down into designated tasks
         • Regular meetings
   • Overall focus of project may be lost
   • Less budget control
   • More natural version way to work