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Class 5 – SDLC & Project Planning Group Planning Exercise: End-of-year party Development Methodologies (SDLC) System Life Cycle as a sequence (Fig. 3.2a, p.171) Phased Development Process Model (Fig. 3.6, p.178 ) Producing a Phased Project Schedule: Milestone Lists

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Class 5 sdlc project planning l.jpg

Class 5 – SDLC & Project Planning

Group Planning Exercise: End-of-year party

Development Methodologies (SDLC)

System Life Cycle as a sequence (Fig. 3.2a, p.171)

Phased Development Process Model (Fig. 3.6, p.178 )

Producing a Phased Project Schedule:

Milestone Lists

Gantt charts

Network Diagrams


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Reminders for next 8 days:

  • Due Friday February 6th at 4pm:

  • Group Project #1 report to CBA 5.202 or CBA 3.416 CBA 3.416

  • Peer Evaluation for Group Project #1:

    • Go to Fri. Feb. 6th, on Schedule page on class web site

    • Click on Peer Evaluation form

    • Complete evaluation

    • Click on submit

  • Also due Friday --Select client project team on project portal

  • Due for Monday class – Download Group Project 2 Instructions & find your team on Blackboard & sit with GP 2 team

  • Friday, February 13th: Bid for client project

    • bidding opens 8am

    • team admin must bid


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2 Development Methodologies

  • Waterfall

aka SDLC – System Development Life Cycle

2. Phased development


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Why build the system? (Goals, work plan, feasibility)

A waterfall SDLC is a sequence of stages

Planning Stage

How will the system work?

Analysis Stage

Do it.

Design Stage

Implementation Stage

What is required? Who will use it? When?

Production(aka Go Live)

This model rarely works well, because it is too difficult to specify requirements completely at the beginning of a project.

Once you are downstream in implementation and realize there are analysis and design problems, it is difficult to swim up stream.

p. 171, Fig. 3.2a


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A waterfall SDLC is a sequence of stages

Planning Stage

Analysis Stage

Design Stage

Implementation Stage

Production

Neverplan a 1-pass, do- it-right-the-first-time-from- Beginning-to-End SDLC.

p. 171, Fig. 3.2a


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Phased Development Figure 3.6, p. 178

Preliminary investigation

P

A

Analysis

User Review

Design

D

C

Preliminary construction

Finalconstruction

System testand installation

Why build the system? (Goals, work plan, feasibility)

What? Who? When ?

How ?

Create & test

Cut over /deploy/migrate to production system


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Phased Development Figure 3.6, p. 178Advantage 1

Preliminary investigation

P

A

Analysis

User Review

Design

D

C

Preliminary construction

Finalconstruction

System testand installation

Cut Over: Put system in production

Each A – D – C – R loop is a phase.

Phased delivery avoids the waterfall model’s problem of no part of the system being done until all of it’s done.


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A–D–C-R loop may be called an iteration.

Iterative Development

Preliminary investigation

P

A

Analysis

User Review

Design

D

C

Preliminary construction

In agile methods the iterations are called sprints.

Finalconstruction

System testand installation

Cut Over / Deploy / Publish: Put system in production


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Phased Development Figure 3.6, p. 178Advantage 2 & 3

Preliminary investigation

P

A

Analysis

User Review

Design

D

C

Preliminary construction

Finalconstruction

System testand installation

Cut Over: Put system in production

2. Users will give better feedback to system views.

3. Developers learn best by creating functional components in incremental steps.


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Phased Development Advantages

1.Phased delivery avoids the waterfall model’s problem of no part of the system being done until all of it’s done.

2. Users will give better feedback to system views—so phases need to be meaningful deliveries for users.

3. Developers learn best by creating functional components in incremental steps.

4. Phases reduce the problem of deadline behavior by users and developers.


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Functionality

Elapsed Time

In Months

1

2

3

4

The waterfall SDLC and workload risk

Planning Stage

Analysis Stage

Design Stage

Implementation Stage

Production

The risk with the waterfall method is that the real work doesn’t start until into the implementation stage as the deadline for production approaches.


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MIS 374 Planning Requirement

For Group Project #2 and the Client Project you must use

1. a Phased

Development Model

and

2. MS Project


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Example of Phased Planning: Library Control System

  • MIS 374 project --- Delivery 1 report pages

  • Illustrates use of

    • Milestone Summaries (AKA phase list) *

    • Gantt Charts *

    • Network Diagram *

      * Required for Group Project 2 and Client Project


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Proposed Library Control System:Major Milestone Summary

Phases and MilestonesWeek Ending Date

Phase 1: Preliminary Investigation Weeks 1-4 March 23

Phase 2: Design System Database Week 5 March 30

Phase 3: Administration Module Week 6 April 10

Phase 4: Resource Tracking /Search Module Week 6 April 10

Phase 5: Check-in/Check-out Module Week 7 April 18

Phase 6: Report Generation Module Week 7 April 18

Phase 7: On-line Help Module Week 8 April 27

Phase 8: Additional Functionality Module Week 8 April 27

Phase 9: Installation and System Testing Week 9 May 8

Phase 10: Documentation and Training Week 10 May 15

All 4 team

members



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Proposed Library Control System:Major Milestone Summary

Phases and MilestonesWeek Ending Date

Phase 1: Preliminary Investigation Weeks 1-4 March 23

Phase 2: Design System Database Week 5 March 30

Phase 3: Administration Module Week 6 April 10

Phase 4: Resource Tracking /Search Module Week 6 April 10

Phase 5: Check-in/Check-out Module Week 7 April 18

Phase 6: Report Generation Module Week 7 April 18

Phase 7: On-line Help Module Week 8 April 27

Phase 8: Additional Functionality Module Week 8 April 27

Phase 9: Installation and System Testing Week 9 May 8

Phase 10: Documentation and Training Week 10 May 15



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Data

includes the

Phase Label,

Task #,

Length,

Start & Finish,

& “Resource”

Names

You can switch between the Gantt Chart view and Network Diagram views in MS Project. This is a Network Diagram with the details collapsed so only the Phases are shown.


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Week 7

Week 6

Week 6

Week 6

Week 8

The Network Diagram view shows simultaneous work more clearly than the Gantt chart view.




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Step 1: Select File  New

For this task guide, click on Tasks


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