1. MD703: Computer Information Systems n Goals n Logistics n Teams and Projects n Class Organization n Technical Topic: Application Development n Case Analysis Strategy

2. Goals n 1)“Management understanding” of key technical principles, ideas and products (via “tech talks”) n 2)Management of IT resources and staff (via text chapters) n 3)Experiences in implementing IT projects (via text cases) n 4)Presentation Experience n Classes are divided between the 1 st three topics

3. Logistics n Schedule n “Assessment” n Web Page n Text n Office Hours n Project Teams n Case Discussions

4. Project Topics n RFID n Web Services/SOA n Sarbanes-Oxley n Blade Servers, Virtual Computing n SPAM Issue & Management n WiFi/Mobile computing/IM n Teleconferencing n IPv6 n VoIP n XML

5. Application Development Principles n System Development Life Cycle – Steps – Methods n Application Hosting Environment – Functional Tiers – Infrastructure Levels n Phases of technology Assimilation

6. Application Development Life Cycle Analysis Design Build/Buy Monitor Implement

7. Methods for Applying SDLC n Classic Model – Static environment – Minimal unknowns n Rapid Application Design – Delivery in stages – Fast to Production n Prototyping – Focus on presentation, not process – Customer-based apps

8. Analysis Basics n Focus on business need, not technology n Entity-relationship Diagrams for data n Dataflow diagrams for logic n Define Scope n Define Success

9. Design Basics n Focus on the solution, “blueprint” n Considers environmental factors – Enterprise standards – Staff talents, availability n Data-centric: Normalization n Process-centric: Flowchart / Pseudo-code n Combining the two: Objects

10. Build / Buy Issues n Current move to “buy and integrate” n Build only where control, differentiation are key n All applications must coordinate upwards and to peer applications n Trade off of ability to maintain versus control over maintenance n Exception handling is 80% of work n “Workflow” is often the major issue

11. Implementation Issues n Process Changes n Training, reward mechanism n Business process change must accompany technology change n Data lifespan includes creation, operational use, analytical use, archiving

12. Monitor / Measurement n Baseline Statistics n Aggregate “good news”, detail “bad news” n Compare to Analysis goals n Basis for upgrade, acceptance

13. Tiers PresentationLogicStorage Network ClientServer

14. “4-Tier” Model Web Server Client (Browser) Application Server DBMS Storage “Jolt”

15. Application Development Environment Network Servers Operating System/Subsystems Common System Utilities Common Business Code Application Specific Code

16. Phases of Technology Assimilation n Identify – What technical abilities are required? n Learn – How do they work? n Control – How will we use them? n Distribute – Commit to the new technology!

17. Chapter 1 Review n Management evolution to “governance” n Organizational Use of IS n Evolution of the service provided n Evolution of the IT mechanics

18. Case Analysis Strategy n Scope – Data vs Process n Strategy vs Tactics – What has to be done vs how n Efficiency vs Flexibility – Parallels investment strategies n Excellence vs Satisficing – Elasticity of return n Adherence to phases of “technology assimilation” – Is IT incorporated into business practices

19. Scope Discussion n What are the weaknesses of providing technical solutions: – Overly centralized – Overly distributed – Provide an example to match each observation.