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Common mistakes in Core FC Package. October 15, 2010. Outline. OCD PRO SSAD LCP FED. Operational Concept Description. Benefit Chain Diagram How each stakeholder create benefit , especially in operation phase ? Should correspond to your organization goals and core capabilities

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Common mistakes in Core FC Package


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    1. Common mistakes in Core FC Package October 15, 2010

    2. Outline • OCD • PRO • SSAD • LCP • FED

    3. Operational Concept Description • Benefit Chain Diagram • How each stakeholder create benefit, especially in operation phase ? • Should correspond to your organization goals and core capabilities • Element Relationship Diagram • What are the elements that you develop(put them in dashed box) ? • What are the elements that you have to coordinate/ interoperate (put them outside the dashed box)? • Business Workflow • Sequence of worksthat stakeholdershave to perform • Will reflect on how your new system improve the current workflow • Do not care about how your system works (not a technical flow)

    4. A not so good Benefit Chain Diagram Overemphasized • Common Mistakes • Focus too much on what you develop • Missing critical stakeholder • Missing core initiatives • Missing contributions • Wrong notations • Initiative and outcome don’t match Underemphasized

    5. A Good example of Benefit Chain Diagram

    6. Database Management System Requests for access Visitor Activates Creates and manages show AUTHENTICATION Stage Manager Task Tracker Project Operations Tracked using Username/ Password Manages designer tasks Tasks Controls Editor/Designer Scheduling Data Budget Data User View schedule and tasks Uses Uses Show Roster Database Creates Show, Budget manages user account Creates report using budget data Administrator Reporting A not so good example of Element Relationship Diagram • Common Mistakes • Unorganized drawing • Mixing between the module you develop and module you link to • missing elements that you link with

    7. A good example of Element Relationship Diagram

    8. System User A not so good example Visit website homepage Already a member? • Common Mistakes • Focus on technical flow • Too detail on system’s behavior instead of “business” transaction no Sign-up yes Log-in Access training videos and material, Provide feedback, securely download material, Access the discussion board, Online shopping, Access coupons

    9. A good example of Business Workflow Diagram

    10. Prototype • Critical issues and concerns are not stated • State the specifics of each • Be specific to what prototypes are to address • Only UI is not sufficient • If UI is the only concern, then OK • Otherwise, discuss about how you meet the capabilities or level of service

    11. SSAD • Generally good in translating the OOA&D concepts into analysis • Some misunderstanding in conceptual separations of different diagrams/models

    12. System Context Diagram • Incorrect hierarchy of actor classes • Should match exactly with the use-case model • Look for common functionalities • Incorrect system scope • What you are developing • External systems • Not an actor • Show as another system/component

    13. Artifacts and Information • Many components are not artifacts • Association = sharing of information • Persistent data that are stored/used by system for execution • Think in terms of database design. • The information architecture of the system

    14. Use-Case • Hierarchy of users • Look for common use-cases • Missing related capability requirements/win conditions • Incorrect pre-/post- conditions • Course of actions not shown in sequence • Missing actors described in the system context

    15. Pre-/Post- Conditions Bad precondition: “User wants to access the website” “User needs to provide valid information” Good precondition: “User is Administrator. Database is initialized” Bad postcondition: “Information was changed” Good postcondition: “User information is saved to the database.” “If username and password are verified, user is granted access; otherwise, user is denied access.”

    16. Course of Actions Good Bad

    17. Use-Case Bad Good

    18. FED • 4.2.1 NDI/NCS Candidates • For each functionality you are looking for in NDI/NCS, you should evaluate more than 1 product • 4.2.2 NDI/NCS Evaluation Criteria • Trace back with OCD for Capability Goals and LOS Goals

    19. 4.2.1 NDI/NCS Candidates • Think about what are available in the market • List the possible candidates (more than one) • Prove by using 4.2.2 criteria and show results in 4.2.3 results which your choice is the best

    20. For example: you are looking for one or more NDI/NCS that has the following functionalities • content management system • an online calendar tool Example:

    21. 4.2.2 NDI/NCS Evaluation Criteria • One table for the attributes • Check ICM EPG for common attribute • Check your OCD for LOS goals • Example: Concurrency, 24/7 availability, interoperability • At least one table for the features • Check your OCD for capability goals • Elaborate Capability Goals into features or sub features • Could separate into many tables for different Capability, e.g. one table for CMS, one table for online calendar tool • You will later use table of attributes and table of features as a scoring guide in 4.2.3

    22. Example of table of features Features for the Content Management system Features for the Content Management system