Software Project Lifecycle: Phases of development of information system
May 19, 2010 by
Filed under software development schedule
A software project lifecycle is the oldest methodology that is deployed for building information systems. It was developed with an aim to devise a simpler structured and methodical information system, living up to each stage of the life cycle. It comprises of the various phases of software development beginning from need identification through strategic planning, thorough analysis, and designing to final implementation. Over the years, numerous software project lifecycle models have been developed, and from web site development to complex business management applications, they have found their utility in many a scope and need.
Software Project Life cycle: At a glance
A software project lifecycle can be customized as per an individual organization’s strengths and development capabilities. So, be it about custom web development or any scalable business process control application design, for consistent and quality results, software development life cycle offers the scope of iterative control measures.
A software project lifecycle may include following phases: Initiation phase: Identification of opportunity and conceptualization System concept and development: Scope analysis, cost benefits, risk management planning and feasibility study Extensive planning: Deciding phase of project management planning, creating basis for acquiring requisite resources Requirement specification for understanding & clearly stating the problem Design for deciding a plan for a solution Development: Converting a design into an information system Coding for implementing planned solution Integration and Testing for verifying the programs Implementation Operations, support and maintenance: Software support and maintenance is provided to client to accommodate some change or provide functional or performance enhancements Final disposition: Final preparation of data.
A software project lifecycle can be categorized on the basis of the following lifecycles developed by numerous website development services
Examples of process perspectives are Workflow perspective – sequence of activities Data-flow perspective – information flow Role/action perspective – who does what Generic process models Waterfall Evolutionary development Formal transformation Integration from reusable components.
The waterfall model is also known as the classic life cycle or linear sequential model. Pure Waterfall, Spiral, Modified Waterfall, Evolutionary Prototyping, Code-and-Fix, Staged Delivery, Evolutionary Delivery, Design-to-Schedule, Design-to-Tools, Off-the-Shelf are some other types of software project life cycle.
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