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Team Software Process TSPi

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make initial size and effort estimates. establish a configuration management plan. Reuse plan ... make a weekly schedule for task completion. make a quality ... – PowerPoint PPT presentation

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Title: Team Software Process TSPi


1
Team Software Process (TSPi)
  • CS4320
  • Fall 2005

2
TSP Strategy
  • Provide a simple process framework based on the
    PSP.
  • Use modest, well-defined problems (For pilot
    projects).
  • Develop products in several cycles.
  • Establish standard measures for quality and
    performance.
  • Provide detailed role definitions.
  • Use role and team evaluations.
  • Require process discipline.
  • Provide guidance on teamwork problems.

3
TSP Process
Cycle 1 Launch
Strategy 1 Plan 1 Requirements 1 Design
1 Implementation 1 Test 1 Postmortem 1
Cycle 2 Launch
Strategy 2 Plan 2 Requirements 2 Design
2 Implementation 2 Test 2 Postmortem 2
Cycle 3 Launch
Strategy 3 Plan 3 Requirements 3 Design
3 Implementation 3 Test 3 Postmortem 3
4
Life Cycle Phases
  • Launch
  • Strategy
  • Plan
  • Requirements
  • Design
  • Implement
  • Test
  • Postmortem
  • Appendix D - Script DEV (p. 363)

5
Cycle Descriptions
  • Launch
  • review course objectives
  • describe the TSPi structure and content
  • assign student teams and roles
  • describe the customer needs statement
  • establish team and individual goals
  • Strategy
  • create a conceptual design for the product
  • establish the development strategy decide what
    will be produced in each cycle
  • make initial size and effort estimates
  • establish a configuration management plan
  • Reuse plan
  • Risk Management

6
Cycle Descriptions (Contd)
  • Planning
  • estimate the size of each artifact to be
    developed (SRS, SDS, code)
  • identify tasks to be performed estimate time to
    complete each task assign tasks to team members
  • make a weekly schedule for task completion
  • make a quality plan
  • Requirements
  • analyze need statement and interview customer
  • specify the requirements
  • inspect the requirements
  • develop a system test plan

7
Cycle Phases
  • Design
  • create a high-level design
  • specify the design
  • inspect the design
  • develop an integration test plan
  • Implementation
  • use the PSP to implement modules/units
  • create detailed design of modules/units
  • review the design
  • translate the design to code
  • review the code
  • compile and test the modules/units
  • analyze the quality of the modules/units

8
Cycle Phases
  • Test
  • build and integrate the system
  • conduct a system test
  • produce user documentation
  • Postmortem
  • conduct a postmortem analysis
  • write a cycle report
  • produce peer and team evaluations

9
Motivation (Teamwork)
The success or failure of a project is seldom due
to technical issues. You almost never find
yourself asking has the state of the art
advanced far enough so that this program can be
written? Of course it has. If the project goes
down the tubes, it will be non-technical, human
interaction problems that do it in. The team
will fail to bind, or the developers will fail to
gain rapport with the users, or people will fight
interminably over meaningless methodological
issues. -- Tom DeMarco
10
Common Team Problems
  • Ineffective Leadership
  • Failure to compromise/cooperate
  • Lack of participation
  • Procrastination
  • Poor Quality
  • Function Creep
  • Ineffective peer evaluation

11
Teams An aside from the text
  • Motivation
  • How to get best from people.
  • Study of quality goals vs. final product
  • Teamwork
  • How to get best from team.
  • Team Structure
  • Organization Matters

12
Team Project
  • Work on back-end classes or hook together gui
    screens for course support tool.

13
TSPi Teams
  • Normally Five People with Defined Roles (Read
    384-393)
  • Team Leader
  • Development Manager
  • Planning Manager
  • Quality/Process Manager
  • Support Manager

14
LAUNCH!!! Script LAU1
  • First Team Meeting
  • Use Meeting Script
  • Meeting Goal
  • Gather and analyze team data on project
  • Update Personal Task/Schedules prior to meeting
  • Produce Weekly Report
  • Start Project Notebook

15
Goal Setting
  • Goals give a lofty higher level view of what
    the team wants to accomplish.
  • These are further specified by 1 or more measures
    that give objective measures. Basically, How do
    we know we have met goal?

16
Example Goals
  • 1. Produce a quality product.
  • 1.1 Percent defects found before compile 80
  • 1.2 Number of defects found in system test 0
  • 1.3 Requirements met at project completion 100
  • Run a productive, well-managed project
  • 2.1 Error in estimated product size lt20
  • 2.2 Error in estimated develop hours lt20
  • 2.3 Percent of accurate data in project
    notebook 100

17
TSP Planning Overview STRAT
Produce Quality Plan
Develop the Strategy
Make Size Estimates
Produce Team Plan
STRAT
SUMS
SUMQ
TASK
Produce Conceptual Design
SCHEDULE
Make Team Member Plans
Produce Final Team Plan
Make Personal Plans
Balance Team Workload
SUMP
SUMQ
SUMS
TASK
TASK
TASK
SCHEDULE
SCHEDULE
SCHEDULE
18
Development Strategy
  • Plan the flight, fly the plan.
  • Gain common understanding of work
  • Basis for tracking work
  • Non-artificial project date

19
Script STRAT1
  • Conceptual Design
  • How will I build this product?
  • What are principle components?
  • What functions do components provide?
  • How big are components?
  • Reusable Parts?
  • This is a planning designnot THE design!!

20
Strategy Criteria
  • What will govern how be break apart the project?
  • Examples
  • Cycle 1 product provides a minimum function
    working prototype of final product
  • Cycle 1 product provides a base that can be
    easily extended.
  • Cycle products have automated unit tests

21
Cycle Planning (418 Strat Form)
Cycle LOC
Cycle Hours
Requirements or Use Case Reference For
Traceability
Effort Size Estimate by Iteration
Code Size Estimate by Iteration
Functionality Listing
22
Risk Assessment
  • ID significant risks
  • Rate High , Medium, Low according to
  • Likelihood of occurrence
  • Impact on project
  • Team members track all risks not LL
  • Risks entered on form ITL (page 405)

23
Change Management
  • Copies of each version of product
  • Record of all changes made
  • Who made change
  • When change was made
  • What change was
  • Why change made

24
Development (This cycle)
Make Size Estimates
Produce Quality Plan
Develop the Strategy
Produce Team Plan
STRAT
SUMS
SUMQ
TASK
Produce Conceptual Design
SCHEDULE
Make Team Member Plans
Produce Final Team Plan
Make Personal Plans
Balance Team Workload
SUMP
SUMQ
SUMS
TASK
TASK
TASK
SCHEDULE
SCHEDULE
SCHEDULE
25
Development Script (PLAN Script)
  • SUMS (Page 433)
  • Include not just code, but all work products
  • TASK (Page 438)
  • From individual PROBE estimates
  • 10 Hour Individual Threshold
  • SCHEDULE (Page 417)
  • Map from TASK forms
  • Use Estimate of Weekly Hours for Team
  • Quality Plan (Page 426-429)
  • SUMP, SUMQ

26
Excel Form
27
Excel TASK Form
28
Excel Form SCHEDULE
29
Excel SUMQ
30
Excel Time Log LOGT
31
Excel Defect Log LOGD
32
Load Balancing
  • Use whole team
  • Produce Plans first
  • Next produce work matrix
  • Balance work using matrix

33
Load Balancing Matrix
34
Homework 3 Details
  • Teams work to plan entire project
  • Work on cycle 1
  • For requirements, use use cases
  • Design UML
  • You have 3 weeks.
  • Use excel tool or hard copy team notebook.
  • Turn in all artifacts as team (spreadsheet)
  • Turn in analysis of TSP as individual
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