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Life Cycle

Characteristics of Tasks and Activities
Characteristics of Tasks and Activities

How difficult can it be to identify the work that needs to done for a software project? It's mostly common sense, isn't it? What seems like a straightforward assignment can be riddled with opportunities for poor results. The first thing to deal with is what tasks and activities are.

Tags spmp, development tools, software project, life cycle

The Activity ID Process
The Activity ID Process

There are in fact only two ways that tasks and activities are identified for a project: They are part of a pre-existing WBS for a software development life cycle, or they are invented again for a unique development project situation. Either way, customization takes place. We'll

Tags life cycle, checklists, maintenance activities, software products, deliverables, software project

Software Size and Reuse Estimating
Software Size and Reuse Estimating

Forecasting the "size" of a software system becomes more and more easier as the project progresses. The first time an effort is made, at the front end of the life cycle, little is known except for high-level customer requirements. This is equivalent to requesting a custom-built home,

Tags life cycle, software project, software size, software product, spmp

The SEI CMM and Estimating
The SEI CMM and Estimating

The Software Engineering Institute (SEI) Capability Maturity Model (CMM) introduced in “Selecting Software Development Life Cycles” supports activities explained in this section. Software project planning is a key process area for maturity Level 2, the repeatable level. Sizing

Tags software products, project planning, software project, life cycle

Problems and Risks with Estimating Software Size
Problems and Risks with Estimating Software Size

The following sections explain why software project managers and developers have such an excessive problem with estimating their tasks, and why the estimates they do provide are so filled with risk.

Tags software project, life cycle, software engineers, estimates

Getting Started with Software Sizing: Estimating Begins with Planning
Getting Started with Software Sizing: Estimating Begins with Planning

Sizing is the prediction of product deliverables (internal and external) needed to fulfill the project requirements. Estimation is the prediction of effort (resources) needed to produce the deliverables.

Tags deliverables, software project, life cycle, cost estimate, software size, wbs, loc

Estimating Duration and Cost
Estimating Duration and Cost

"Software Size and Reuse Estimating" explained methods for estimating the size of a software project, usually in thousands of software lines of code (KSLOC or KLOC). After the size has been established, the answers to other questions that are important to all stakeholders may also

Tags software project, life cycle, cost estimation, software size

The SEI CMM and Estimating
The SEI CMM and Estimating

The Software Engineering Institute (SEI) Capability Maturity Model (CMM) supports activities explained here. Software project planning is a key process area for maturity Level 2, the repeatable level. The KPAs in Level 2 are a necessary foundation for the mature processes that

Tags software estimation, project planning, product development, life cycle, cost estimation

Basic COCOMO Phase Distribution of Effort and Schedule
Basic COCOMO Phase Distribution of Effort and Schedule

As well as estimating development effort and schedule, it is often necessary to estimate how the effort is distributed among the primary life cycle activities. COCOMO takes a pretty simplistic view of the life cycle phases, considering only plans and requirements, product design,

Tags cost drivers, variables, attributes, life cycle

Detailed COCOMO
Detailed COCOMO

This is the most complicated version of the COCOMO model. It involves the following further steps: The program is decomposed into particular products and components of products. Boehm calls this the three-level product hierarchy: system, subsystem, and module. The top level, the system level, is used to apply major overall project relations such as nominal effort and

Tags life cycle, scheduling, gantt chart, pert chart, cost drivers, software products

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