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RUP/UP Software Development Method

RUP/UP Software Development Method. Hoang Huu Hanh, Hue University hanh-at-hueuni.edu.vn. Contents. Summary of Rational Unified Process RUP Structures and Roles Project Management Systems and Procedures in RUP RUP and different types of software projects. RUP. Some History Behind.

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RUP/UP Software Development Method

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  1. RUP/UP Software Development Method Hoang Huu Hanh, Hue University hanh-at-hueuni.edu.vn

  2. Contents • Summary of Rational Unified Process • RUP Structures and Roles • Project Management Systems and Procedures in RUP • RUP and different types of software projects

  3. RUP. Some History Behind • The need in software development process • What is a software development process • History of RUP • RUP and UP

  4. Summary of RUP • Use-case driven • Architecture-oriented • Iterative and Incremental

  5. Requirements Analysis Design Implementation Testing Use-case driven • What is a use-case? • Use-case driven principle:

  6. Architecture Oriented • Architecture Grows from Use-Cases. • Steps to build architecture: • Draft version not related to use-cases • Use-cases that correspond to the system key functionalities • The built architecture serves as a base for subsequent development of other use-cases

  7. Iterative and Incremental • Big project is split in many mini-projects called iterations • Each iteration increments the overall project result

  8. Guidelines for Planning Iterations • Iteration should deal with the group of use-caseswhich increases the usefulness of theproduct over time. • The most serious risks are handled by earlieriterations

  9. Advantages of Iterative Process • Financial risks are limited to one iterationonly • The risks of late product delivery are reduced. • Iterations speeds up the overall developmentprocess as short and clear plan is morepreferable for efficient work • Facilitates requirements elicitation

  10. Project Life-Cycle in RUP • All iterations are organized into 4 phases: • Inception • Elaboration • Construction • Transition • Milestones are used to evaluate the project progress

  11. RUP Structures – elements • Entities that make up RUP (Kruchten) • Worker: the who • Activities: the how • Artifacts: the what • Workflows: the when • The above are predefined • Relations predefined • All together define process framework

  12. RUP Elements - workers • Responsibilities of: • Individual or • Number of individuals • Behavior determined by activities • Responsible for artifacts

  13. RUP Elements - activities • Create result (artifacts) • Take from a few hours to a few days • Activity can be applied many times to the same artifact • Basic steps of activity • Thinking • Performing • Reviewing

  14. RUP Elements - artifacts • Main pieces of the project • Produced, modified and used during activities • Fall into following sets: • Management (ex: software development plan) • Requirements (ex: specifications) • Design (ex: design model) • Implementation (ex: source code) • Deployment (ex: training material)

  15. RUP Elements – workflows “A workflow is a sequence of activities that produces a result of observable value”. • Grouped in categories • Core • Workflow details • Iteration plans

  16. RUP Elements – workflows cont.

  17. RUP Elements – additional • Guidelines • Templates • Tool mentors • Concepts

  18. Roles in RUP • Each artifact has worker assigned to it • All workers are defined (fixed) • Behavior determied by workflow the artifact belongs to

  19. Roles in RUP - examples • Project management workflow • Project manager • Project reviewer • Requirements workflow • System analyst • Use-case specifier • User-interface designer • Requirements reviewer

  20. Project Management Systems and Procedures in RUP • Project planning • Project control • Risk management • Project evaluation

  21. RUP project planning • Phase plan • Iteration plan • Planning supporting tool

  22. RUP project control • Project indicators • Change control management (CCM)

  23. RUP risk management • Risk-driven approach : • Risk List • Use-case Survey • Development Case

  24. RUP project evaluation • Iteration close-out • Phase close-out • Transition phase close-out

  25. RUP and different types of software projects

  26. RUP Process for Commercial Software • High number of iterations • Extensive testing • A lot of test-cases • Regression testing • Remember to keep a balance between quality assurance and time to market

  27. RUP for Contract Software • High number of iterations • Focus more on requirements elicitation in the beginning • Active prototyping • User involvement • Focus more on testing in the end

  28. RUP for In-house Software • Very close to waterfall model • Small number of iteration • Good testing is preferred

  29. Conclusion - Advantages of RUP • architecture brings us overall understandingof the big and complex system • early risk handling • easier requirements change management • high level of reuse • project teams learn easier because theproject is broken down into small manageableparts • better quality assurance • Extensive CASE tool support

  30. Conclusion – Disadvantages of RUP • Very broad and complex • You have to customize it to start really using it • Demands big initial efforts and investments

  31. Waterfall model

  32. Questions?

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