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Software Engineering Process, Notation & Tools Introduction - Part 3
- 2. Table of Content Table of Content • Software Engineering – Definition • Software Engineering – Purpose • Software Engineering – Introduction • Software Engineering – History • Software Engineering Enterprise Coverage Coverage 2 SEPNT Introduction
- 3. 3 SEPNT Introduction • Definition • IEEE • The application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software. Software Engineering Software Engineering Concept Concept
- 4. 4 SEPNT Introduction • Purpose • Creating & Maintaining Software Products • Providing Software Services Software Engineering Software Engineering Theory Theory
- 5. 5 SEPNT Introduction • Introduction • Subdisciplines • Software Requirements Engineering • Software Analysis & Design • Software Construction • Software Testing • Software Maintenance • Software Configuration Management • Software Release Management • Software Assembly & Deployment Software Engineering Software Engineering Theory Theory
- 6. 6 SEPNT Introduction • History • 1945-1965 The Origins • 1965-1985 The Software Crisis • 1985-1989 No Silver Bullet • 1990-1999 Information Superhighway • 2000 onwards Lightweight Processes Theory Theory Software Engineering Software Engineering
- 7. 7 SEPNT Introduction • History • 1945-65 (Origins) • Margaret H. Hamilton is the person who came up with the idea of naming the discipline, software engineering.. • The NATO Science Committee sponsored two conferences on software engineering in 1968 & 1969, which gave the field its initial boost. Theory Theory Software Engineering Software Engineering
- 8. 8 SEPNT Introduction Target – Single Database for Origination & Customer Service Theory Theory Software Engineering Software Engineering
- 9. 9 SEPNT Introduction • History • 1965-85 (The Software Crisis) • Many projects ran over budget and schedule, caused property damage & loss of life. • The software crisis was originally defined in terms of productivity, but evolved to emphasize quality. • Some used the term software crisis to refer to their inability to hire enough qualified programmers. Theory Theory Software Engineering Software Engineering
- 10. 10 SEPNT Introduction • History • 1985 -1989 (No Silver Bullet) • In 1986, Fred Brooks published a “No Silver Bullet” article, arguing that no individual technology or practice would ever make a 10-fold improvement in productivity within 10 years. • The search for a single key to success never worked • All known technologies and practices have only made incremental improvements to productivity and quality. Theory Theory Software Engineering Software Engineering
- 11. 11 SEPNT Introduction Target – Single Database for Origination & Customer Service • History • 1990 -1999 (Information Superhighway) • Rise of the internet • Flooding Communication Channels • Search & Use • Multi-lingual Consolidation and Distribution • Global Networking • The Thin Client • Affordable Technology Theory Theory Software Engineering Software Engineering
- 12. 12 SEPNT Introduction Target – Single Database for Origination & Customer Service • History • 2000 Onwards (Lightweight Processes) • IT needs for small organisations • Inexpensive Software • Rapid Prototyping & Development • Incremental improvement in Quality Of Software • Agile Processes Theory Theory Software Engineering Software Engineering
- 13. 13 SEPNT Introduction • An Enterprise which delivers Computer Software in Electronic form, as a Product or Service to stakeholders, in order to automate a set of function(s) for the Consumer; Individual or Organisation. Software Engineering Enterprise Software Engineering Enterprise Concept Concept
- 14. 14 SEPNT Introduction • Functions • Top Management • Marketing • Finance • Administration • Purchase • Information Systems • Engineering, Delivery & Service Management • Customer Service • Legal • Others Theory Theory Software Engineering Enterprise Software Engineering Enterprise
- 15. 15 SEPNT Introduction • Framework • People • Roles & Responsibilities • Systems • Processes • Engineering • ITSM • Others • Skills & Knowledge • Delivery Management • Engineering & Technology • Others • Strategies • Offshore/Outsource Theory Theory Software Engineering Enterprise Software Engineering Enterprise
- 16. 16 SEPNT Introduction • Framework • Structure • Engineering Theory Theory Software Engineering Enterprise Software Engineering Enterprise
- 17. 17 SEPNT Introduction • Framework • Style • Informal Open Door • Shared Values • Corporate Philosophy • Corporate Policies • QA Framework • Engineering Process Standards Theory Theory Software Engineering Enterprise Software Engineering Enterprise
- 18. 18 SEPNT Introduction • Notation • Iconic • FDL • UML • Tools • Platforms • Middleware • Repositories • Database • Files • Others • Engineering • Models & Code • Others Theory Theory Software Engineering Enterprise Software Engineering Enterprise
- 19. 19 SEPNT Introduction • Technology & Business Challenges • Realization Of Business Value • Technology Assets Without Realization of Business Value • Requirement Management • Requirements Overload leading to project delay and issues • Representational Gap • Re-engineering costs due to non-traceability of deployed Systems to requirements. • Technology Paralysis • Obsolescence & non-upgradeability of Technology • Quality Of Service • Technology performance, security, availability etc not in sync with business Software Engineering Enterprise Software Engineering Enterprise Theory Theory
- 20. 20 SEPNT Introduction • Technology & Business Challenges • Uninterrupted Root Cause Analysis • “When a System fails, can we do root cause analysis without affecting work ?”. • Standardization • High cost of maintenance of heterogeneous non-integrated applications & Skills shortage. • Architecture Centricism • Loss of effort due to non-prioritization of engineering & functionality risks • Change Management • Increasing cost of Systems extensibility due to non-open design method (design paralysis). Software Engineering Enterprise Software Engineering Enterprise Theory Theory
- 21. 21 SEPNT Introduction • Technology & Business Challenges • Configuration Management • Limited control over packaging of IT assets “does the right functionality and quality of Product reach the user ”. • Knowledge Management • High Turn Around for learning and adapting by various teams Software Engineering Enterprise Software Engineering Enterprise Theory Theory
- 22. 22 SEPNT Introduction • Critical Success Factors • Scalable, Secure, Available, Serviceable & Reliable Products & Services • Standardization of Processes, Notation & Tools • Business To Implementation Traceability • Capsule, Layered & Platform Independent Architectural Blueprint • Resource Leverage • Multi Channel Adaptability • Unified Change Management • Seamlessly Integrated Business and IT Environment • Business and Technology sync Software Engineering Enterprise Software Engineering Enterprise Theory Theory
- 23. 23 SEPNT Introduction • List a few present day challenges for myABC • List a few critical success factors for myABC To-Do To-Do Software Engineering Enterprise Software Engineering Enterprise