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Marvel Electronics Inc.

Marvel Electronics Inc. Team 1 Amit Nimse M Rajaul K Khan Shasank Bhandari Tonda Phillips Vikram Sitaram Kumar Unnikrishnan. Instructor: Dr. Lawrence Chung. AGENDA. Describing the requirement process followed for e-store project

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Marvel Electronics Inc.

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  1. Marvel Electronics Inc. Team 1 Amit Nimse M Rajaul K Khan Shasank Bhandari Tonda Phillips Vikram Sitaram Kumar Unnikrishnan Instructor: Dr. Lawrence Chung

  2. AGENDA • Describing the requirement process followed for e-store project • Outcomes of requirement process • Addressing issues of the Standish report • Questions and Answers CS 6361- Requirements Engineering - Course Project.

  3. User Requirement • Build a tower as tall as possible. • Time limit of 10 minutes. • Make it rigid. CS 6361- Requirements Engineering - Course Project.

  4. Requirement in action CS 6361- Requirements Engineering - Course Project.

  5. User Testing CS 6361- Requirements Engineering - Course Project.

  6. Final Result… Standish Report still prevails !!!!! CS 6361- Requirements Engineering - Course Project.

  7. Team Architecture CS 6361- Requirements Engineering - Course Project.

  8. Process Flow Business Driver Users Inception Reqmt’s Model Specification Knowledge Validation Validation Results Clarification Elicitation Problem Domain CS 6361- Requirements Engineering - Course Project.

  9. Actigram for Process CS 6361- Requirements Engineering - Course Project.

  10. Inception Phase. • Steps Undertaken: • Understanding Background and Problem Definition of e-store project. • Studying business objectives for the e-store project. • Analyzing scope of the project and feasibility of implementation. • . . CS 6361- Requirements Engineering - Course Project.

  11. Elicitation Phase Steps Undertaken: • Identifying Users and Stakeholders. • Participating in Brainstorming Session. • Identifying and Prioritizing Wants and Needs. • Generating Vision Document. CS 6361- Requirements Engineering - Course Project.

  12. Specification • Steps Undertaken: • Generate Business Models. • Functional and Non functional models for Software system. CS 6361- Requirements Engineering - Course Project.

  13. Business Models Steps Undertaken: • Identifying business actors, business entities and business workers in the current business of Marvel Electronics. • To depict the “To-Be” business model … • Business use case diagram. • Business class diagram. • Business activity diagram. • Business sequence diagram. • Identify different entities that are going to interact with the e-store. CS 6361- Requirements Engineering - Course Project.

  14. Business Model • Business Use Case Diagram. CS 6361- Requirements Engineering - Course Project.

  15. Business Model • Business class diagram. CS 6361- Requirements Engineering - Course Project.

  16. CS 6361- Requirements Engineering - Course Project.

  17. Business Model • Business Sequence Diagram (Purchase Product). CS 6361- Requirements Engineering - Course Project.

  18. Business Model • Business Sequence Diagram (Configure Product). CS 6361- Requirements Engineering - Course Project.

  19. E-store System Functional Model Steps Undertaken: • Use case analysis for e-store system. • Creating Structural Requirements model using class diagram. • Creating Behavioral Requirements model using sequence diagram and activity diagram. CS 6361- Requirements Engineering - Course Project.

  20. E-store functional model • Use Case diagram. CS 6361- Requirements Engineering - Course Project.

  21. E-store functional model • Class Diagram. CS 6361- Requirements Engineering - Course Project.

  22. E-store functional model • High level Sequence diagram. CS 6361- Requirements Engineering - Course Project.

  23. E-store functional model • Sequence diagram (Purchase Product). CS 6361- Requirements Engineering - Course Project.

  24. E-store functional model • Sequence diagram (Configure Product). CS 6361- Requirements Engineering - Course Project.

  25. E-store functional model. • Sequence diagram (Display product offerings). CS 6361- Requirements Engineering - Course Project.

  26. E-store Nonfunctional Model • Nonfunctional requirements identified in our e-store system: • Security *(6.1 – 6.3) • Usability *(6.4) • Availability *(6.5 , 9.2) • SIG is used to model above mentioned Nonfunctional requirements. [* Reference from Vision Document] CS 6361- Requirements Engineering - Course Project.

  27. Security    Data Storage Data Transfer      Secure Sockets Secure Session Confidentiality    E-store Nonfunctional Model • SIG (Security) CS 6361- Requirements Engineering - Course Project.

  28. Secure Session (cont.)    Session Timeouts Secure Cookies       Confirm Transactions Automatic Logoff Leave NO Passwords Leave NO Personal Data     E-store Nonfunctional Model • SIG (Security Cont…) CS 6361- Requirements Engineering - Course Project.

  29. Confidentiality (cont.)    Browsers Back-end Servers        Passwords Never Displayed Logoff Credit Card Number retrieved as last 4 digits only Passwords never displayed, only re-settable Restricted Access to authenticated Administrators Encrypted Database      E-store Nonfunctional Model • SIG (Security Cont…) CS 6361- Requirements Engineering - Course Project.

  30. Validation Phase • Communicating requirements models to stakeholders. • Using mock-ups to validate the requirements. CS 6361- Requirements Engineering - Course Project.

  31. Mock–ups Screen (Home Page) CS 6361- Requirements Engineering - Course Project.

  32. Mock–ups Screen (Create Account) CS 6361- Requirements Engineering - Course Project.

  33. Mock–ups Screen (After Logged-in ) CS 6361- Requirements Engineering - Course Project.

  34. Mock–ups Screen (Product View) CS 6361- Requirements Engineering - Course Project.

  35. Mock–ups Screen (Configure Product) CS 6361- Requirements Engineering - Course Project.

  36. Mock–ups Screen (Credit Card Payment ) CS 6361- Requirements Engineering - Course Project.

  37. Mock–ups Screen (View Order) CS 6361- Requirements Engineering - Course Project.

  38. Mock–ups Screen (Tracking Order) CS 6361- Requirements Engineering - Course Project.

  39. Incomplete Requirements Changing Requirements Lack of user involvement Addressed by user interaction and Traceability Addressed by Traceability Addressed by user interaction and Mock-ups Addressing issues in Standish Report. CS 6361- Requirements Engineering - Course Project.

  40. Traceability • Traceability Hierarchy Stakeholder Need traces Product Feature traces traces Supplementary Requirements Use Case CS 6361- Requirements Engineering - Course Project.

  41. Sample Traceability Brainstorming Session Vision Document Use case diagram Traceability matrix CS 6361- Requirements Engineering - Course Project.

  42. Traceability • A Traceability Matrix is used to trace requirements. • An element in a row that maps to an element in a column is marked by a ‘X’ at the intersection of that particular row and that particular column. CS 6361- Requirements Engineering - Course Project.

  43. Traceability The Traceability Matrices • User Needs - Features • Features - Use Cases • User Needs – Constraints Traceability Matrix CS 6361- Requirements Engineering - Course Project.

  44. Next steps • Refine Nonfunctional SIG models. • Finalize project deliverables. CS 6361- Requirements Engineering - Course Project.

  45. Conclusion Learning Objectives achieved - specify and follow a requirements engineering process – • to identify stakeholders (and other sources of requirements), elicit their needs and objectives, identifying and resolving conflicts. • to differentiate process requirements from product requirements • to manage changing requirements • to model structural, behavioral and non-functional requirements • to understand the derivation of architectural and design models from requirements specification • to validate requirements • to build a mock-up • to establish requirements traceability • to use a CASE or modeling tools to capture the requirements • to produce a clear, comprehensive and complete Software Requirements Specification • to understand the whys, what's and how's of a software system CS 6361- Requirements Engineering - Course Project.

  46. Q&A ? ?? ??? CS 6361- Requirements Engineering - Course Project.

  47. Thank You CS 6361- Requirements Engineering - Course Project.

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