{"id":16371,"date":"2022-09-19T10:00:07","date_gmt":"2022-09-19T10:00:07","guid":{"rendered":"https:\/\/www.finoit.com\/?p=16371"},"modified":"2024-04-02T11:51:29","modified_gmt":"2024-04-02T11:51:29","slug":"software-development-models","status":"publish","type":"post","link":"https:\/\/www.finoit.com\/articles\/software-development-models\/","title":{"rendered":"Top 15 Software Development Models (Not Just Agile And Waterfall)"},"content":{"rendered":"
Dwelling on the right software development models has acquired prominence in software development. Choosing a software development model and freezing it as a long-term prototype is an invalid proposition, as each software development project brings its own set of requirements. Having an all-inclusive knowledge of various software development models has thus become indispensable. Explore this compendious guide to make a prudent selection of a software development model.<\/em><\/span><\/p>\n The software revolution began in the United States and soon became a worldwide phenomenon. In the 90s, when software and modern computers were in the nascent stage, it would take an average of three years for software teams to deliver a software application.<\/span><\/p>\n Soon computers entered the mainstream business world, and the offer of a promising future became all the more reason to why develop software<\/a>. Eventually, software development began to demand a more robust and systematic approach to development.<\/p>\n From waterfall to agile, with time, different types of software development models began to hit the software development landscape. Software development no longer followed a fixed approach. Faster deployments, rapid releases, and improved coordination and collaboration became the criteria for choosing the right software development methodology.<\/span><\/p>\n As business outcomes are largely dependent on what software development model you choose, here is our guide to acquaint you with various types of software development models.<\/span><\/p>\n A software development model is a series of processes that are carried out by software development companies<\/a> to develop software applications. Software development models thus serve as a blueprint for managing the end-to-end software development pipeline. Each methodology works against the constraints of cost and resources, where cost refers to time and money, while resources reflect human and infrastructural resources.<\/span><\/p>\n The framework that offers a systematic sequence of key stages for developing a software application is termed the software development life cycle (SDLC). Planning, Requirements gathering, Analysis, Design, Implementation, Testing (Quality Assurance), Deployment, and Maintenance are elemental stages in SDLC. Each of these stages adds value to the software development process, thereby aiding in building the application from concept to program to usable application.<\/span><\/p>\n The field of software development has been consistently evolving and it\u2019s no longer limited to the Agile or Waterfall framework, as is commonly believed. Today, different types of methodology in software development exist, each of which has been conceptualized with a purpose. Here, we dive into the details of those various types of <\/span>software development life cycle models.\u00a0<\/span><\/p>\n Agile was brought into existence as a concept by a combined research of 17 developers at their meetings in Oregon and Snowbird, Utah in the <\/span>United States (US)<\/span>.<\/span><\/p>\n Agile is a front-rank software development model today. Continuous improvement forms the basic premise of agile software development methodology. Iterative in nature, this approach easily accommodates changes in software development projects.\u00a0<\/span><\/p>\n Basically, agile is a project management philosophy in which cross-functional teams coordinate in a loop and leverage the feedback from the previous iteration for further improvement. Thus, it also serves as an umbrella concept under which different software development models such as Scrum, Adaptive Software Development, Spiral Development, and Feature Driven Development fall.<\/span><\/p>\n As an incremental approach, the agile methodology progressively addresses every possible risk and adds value to the product, thereby leaving no scope for shortcomings. The process prioritizes customers instead of restricting the development cycle just to technology.\u00a0<\/span><\/p>\n Following the principle of modularity, the project is broken into manageable components, which streamlines the development process.<\/span><\/p>\n Extreme programming (XP) emerged as a software development model to facilitate the quick delivery of quality software applications. It works as a lightweight development methodology that is highly productive and highly tolerant to variations.<\/b><\/p>\n Right from development practices to the capabilities of team members, each contributing factor in the software development process is taken to an \u2018extreme\u2019 level. Hence the term extreme programming.<\/span><\/p>\n XP is a value-driven process. The values it defines include:<\/span><\/p>\n In this software development model, a prototype of the desired application is built, which serves as a replication of the final product. Best fitted where customers themselves are unsure of the project requirements, prototyping helps in developing, testing, and refining the concept till the acceptable product is attained. While there are similarities prototyping should not be confused with an MVP. A prototype tests the basic concept; an MVP in software development<\/a> tests features and saleability. This software development methodology is also addressed as rapid application development (RAD), since its speeds up the development.<\/span><\/p>\n There are four ways prototyping can be driven:<\/span><\/p>\n Rational Unified Process (RUP) is an architecture-driven and customer-centric software development model. Architecturally, it has two dimensions: the horizontal dimension represents time and shows the progress of the project. On the other hand, the vertical dimension represents different stages in the development process. RUP comprises four phases, which are:<\/span><\/p>\n Spiral software development methodology combines the iterative approach with the waterfall model. It is therefore also called Meta-Model. When represented graphically, the workflow appears as a spiral, since sequential attributes amalgamate with the prototype features.\u00a0<\/span><\/p>\n This software development model adapts easily to changes and is thus best suited for large-scale software development projects.<\/span><\/p>\n The four key components of the spiral model are represented by the four quadrants of the spiral. These are:<\/span><\/p>\n This model of software development involves implementing group dynamics to accurately determine business requirements and ascertain the customer vision. Stakeholders \u2013 business users\/customers, subject matter experts (SMEs), software architects, and developers brainstorm ideas in workshops to derive inputs for triggering the development. As JAD incorporates the spirit of partnership, the process expedites requirement elicitation from customers. Meetings serving as forums of value-adding discussions help in clearly defining software project goals.<\/span><\/p>\n JAD is based on the following four ideas:<\/span><\/p>\n Popular in today\u2019s software development landscape, Scrum is a software development model that adopts an adaptive approach to developing applications. It\u2019s an agile framework that involves dynamic cross-functional self-organizing optimally sized teams that sustainably work in sprints to continuously improve their focus and efficiency. Scrum clearly defines three important roles, which are product owner, scrum master, and development team. Here is how each of these three team elements provides their contribution.<\/span><\/p>\n Traditionally, the best recourse, the model owes its name to its structure which resembles a waterfall, with each phase cascading into the next. It is a linear project management approach where the requirements are gathered at the beginning of the project. The project team develops a plan that can meet the defined requirements throughout the sequence.<\/span><\/p>\n The waterfall model is made up of five phases, sequentially mentioned here:<\/span><\/p>\n DevOps is a philosophy that has emerged as a silver bullet in software development. As can be interpreted, it combines the development team\u2019s efforts with those of operations and reduces friction between them.<\/span><\/p>\n Streamlining coordination and communication, DevOps, thus, brings transparency to the development process, facilitates better integration, and improves visibility.<\/span><\/p>\n As a dynamic methodology, DevOps imparts remarkable flexibility to teams who can choose from a range of tools and techniques to best execute the project. So, they can combine approaches like Scrum with quality tools like Kanban to optimize the project lifecycle.<\/span><\/p>\n Automation and continuous improvement are two critical aspects of DevOps practices. Each phase in the process follows the \u2018continuous\u2019 paradigm, and so issue resolution and ultimately the product delivery acquires pace.<\/span><\/p>\n In Lean software development methodology, lean principles are adopted in software development, which eliminates waste and optimizes time. Since in LSD, a bare-minimum version of the product is released, this software development method is also called Minimum Viable Product (MVP) strategy.<\/b><\/p>\n Borrowed from lean techniques in the manufacturing industry, Lean software development removes unnecessary processes and defects in the development process. Here are some of the waste elements that can be effectively managed using Lean:<\/span><\/p>\n To be successful in lean implementation, organizations need to possess strong capabilities in Lean principles and agile software development. Technology giants like Xerox have implemented Lean software development method in their product innovation projects.<\/span><\/p>\nWhat is a Software Development Model?<\/b><\/h2>\n
What is SDLC (Software Development Life Cycle)?<\/b><\/h2>\n
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Types of Software Development Models<\/b><\/h2>\n
Agile Software Development Model<\/b><\/h3>\n
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Extreme Programming (XP)<\/b><\/h3>\n
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Prototyping<\/b><\/h3>\n
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Rational Unified Process (RUP)<\/b><\/h3>\n
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Spiral Development<\/b><\/h3>\n
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Joint Application Development (JAD)<\/b><\/h3>\n
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Scrum<\/b><\/h3>\n
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Waterfall Software Development Model<\/b><\/h3>\n
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DevOps<\/b><\/b><\/h3>\n
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Lean Software Development (LSD)<\/b><\/h3>\n
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Dynamic Systems Development Method (DSDM)<\/b><\/b><\/h3>\n