Manual Process-Based Software Project Management

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Methodologies, processes, and frameworks range from specific proscriptive steps that can be used directly by an organization in day-to-day work, to flexible frameworks that an organization uses to generate a custom set of steps tailored to the needs of a specific project or group. In some cases a "sponsor" or "maintenance" organization distributes an official set of documents that describe the process. Specific examples include:. It is notable that since DSDM in , all of the methodologies on the above list except RUP have been agile methodologies - yet many organisations, especially governments, still use pre-agile processes often waterfall or similar.

Software process and software quality are closely interrelated; some unexpected facets and effects have been observed in practice [3]. Since the early s scaling agile delivery processes has become the biggest challenge for teams using agile processes.

Process-Based Software Project Management

Among these another software development process has been established in open source. The adoption of these best practices known and established processes within the confines of a company is called inner source. Several software development approaches have been used since the origin of information technology, in two main categories [ citation needed ]. Typically an approach or a combination of approaches is chosen by management or a development team [ citation needed ].

A "life cycle" approach with distinct phases is in contrast to Agile approaches which define a process of iteration, but where design, construction, and deployment of different pieces can occur simultaneously [ citation needed ]. Continuous integration is the practice of merging all developer working copies to a shared mainline several times a day.


Extreme programming XP adopted the concept of CI and did advocate integrating more than once per day — perhaps as many as tens of times per day. Software prototyping is about creating prototypes, i. The basic principles are: [1]. A basic understanding of the fundamental business problem is necessary to avoid solving the wrong problems, but this is true for all software methodologies.

Various methods are acceptable for combining linear and iterative systems development methodologies, with the primary objective of each being to reduce inherent project risk by breaking a project into smaller segments and providing more ease-of-change during the development process. There are three main variants of incremental development: [1].

Rapid application development RAD is a software development methodology, which favors iterative development and the rapid construction of prototypes instead of large amounts of up-front planning. The "planning" of software developed using RAD is interleaved with writing the software itself. The lack of extensive pre-planning generally allows software to be written much faster, and makes it easier to change requirements.

The rapid development process starts with the development of preliminary data models and business process models using structured techniques. In the next stage, requirements are verified using prototyping, eventually to refine the data and process models.

These stages are repeated iteratively; further development results in "a combined business requirements and technical design statement to be used for constructing new systems". The term was first used to describe a software development process introduced by James Martin in According to Whitten , it is a merger of various structured techniques , especially data-driven information technology engineering , with prototyping techniques to accelerate software systems development.

The basic principles of rapid application development are: [1]. The term was coined in the year when the Agile Manifesto was formulated. Agile software development uses iterative development as a basis but advocates a lighter and more people-centric viewpoint than traditional approaches. Agile processes fundamentally incorporate iteration and the continuous feedback that it provides to successively refine and deliver a software system.

The waterfall model is a sequential development approach, in which development is seen as flowing steadily downwards like a waterfall through several phases, typically:. The first formal description of the method is often cited as an article published by Winston W. Royce [8] in although Royce did not use the term "waterfall" in this article. Royce presented this model as an example of a flawed, non-working model.

1st Edition

The waterfall model is a traditional engineering approach applied to software engineering. A strict waterfall approach discourages revisiting and revising any prior phase once it is complete. This "inflexibility" in a pure waterfall model has been a source of criticism by supporters of other more "flexible" models.

It has been widely blamed for several large-scale government projects running over budget, over time and sometimes failing to deliver on requirements due to the Big Design Up Front approach. Except when contractually required, the waterfall model has been largely superseded by more flexible and versatile methodologies developed specifically for software development. See Criticism of Waterfall model. In , Barry Boehm published a formal software system development "spiral model," which combines some key aspect of the waterfall model and rapid prototyping methodologies, in an effort to combine advantages of top-down and bottom-up concepts.

It provided emphasis in a key area many felt had been neglected by other methodologies: deliberate iterative risk analysis, particularly suited to large-scale complex systems. Offshore custom software development aims at dispatching the software development process over various geographical areas to optimize project spending by capitalizing on countries with lower salaries and operating costs.

Geographically distributed teams can be integrated at any point of the software development process through custom hybrid models.

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Process-Based Project Management Online Tools & Templates

Some " process models " are abstract descriptions for evaluating, comparing, and improving the specific process adopted by an organization. A variety of such frameworks have evolved over the years, each with its own recognized strengths and weaknesses. One software development methodology framework is not necessarily suitable for use by all projects. Each of the available methodology frameworks are best suited to specific kinds of projects, based on various technical, organizational, project and team considerations.

Software development organizations implement process methodologies to ease the process of development.

Starting A Serious Web Development Project

Sometimes, contractors may require methodologies employed, an example is the U. A decades-long goal has been to find repeatable, predictable processes that improve productivity and quality. Some try to systematize or formalize the seemingly unruly task of designing software. Others apply project management techniques to designing software. Large numbers of software projects do not meet their expectations in terms of functionality, cost, or delivery schedule - see List of failed and overbudget custom software projects for some notable examples.

Composed of line practitioners who have varied skills, the group is at the center of the collaborative effort of everyone in the organization who is involved with software engineering process improvement. A particular development team may also agree to programming environment details, such as which integrated development environment is used, and one or more dominant programming paradigms , programming style rules, or choice of specific software libraries or software frameworks.

  1. Process-Based Software Project Management: 1st Edition (e-Book) - Routledge;
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These details are generally not dictated by the choice of model or general methodology. From Wikipedia, the free encyclopedia. They found that the monthly operations reviews and the replenishment meetings were the most effective in speeding up their flow of work. Multinational technology company Cisco has been shifting away from running Waterfall digital IT projects, switching to an Agile approach.

Their employees were also happier, as they eliminated the need to for after-hours work and reduced the number of meetings and calls to attend. Lessons learned from Cisco? This means adapting your methodology to fit your objectives, teams, and processes. We can find an example of eXtreme Programming in a development process pilot to add a new capability to the U.

The project involved two developers, a development lead, a government functional manager, and a human factors engineer. The case study on this project can help us understand how all of the eXtreme Programming practices Incremental Planning, Small Releases, Simple Design, Test-first Development, etc translate into real life, as the participants recorded their observations about the extent to which each practice was actually implemented during the project. Lessons learned from this U. Government eXtreme Programming example?

The study found that most of the people involved were concerned with communication.

Project management

Many of them made points about the importance of frequent, complete, and accurate communication among the XP development team. Due to the quickly evolving nature of XP projects, it was important to have emails responded to quickly and have everyone attend their required meetings in order to make appropriate decisions and keep everyone updated with accurate information about the project.

Here are a few brief definitions of additional project methodologies:. Project processes are given a low priority, while team communication, team member skills, people, and interaction are emphasized. Project scope is variable, but the time and the cost are constant, making it possible to adjust the project scope during execution in order to get the maximum business value from the project.

It extends beyond the project lifecycle to encompass pre-project planning as well as benefits realization in the environment where the project is being realized. Technique for modelling and scheduling project activities used in industries like construction, software development, and engineering. In this method, you determine the activities needed to complete a project, the time that each will take, the dependencies between them, and their deliverables or milestones.

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  • In PERT, project activities are represented as nodes on a network diagram, with their durations listed on the lines connecting the activities. Rational Unified Process RUP is a process used in software development to reduce waste and development costs. It involves 4 phases Inception, Elaboration, Construction, Transition with specific plans that lend structure to the software creation process.

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