importance of sdlc in software development

When water is poured from one glass to another, in the end, if done carefully, you will still have a full glass of water without losing a drop. The rapid application development model includes the development of several prototypes that represent different features of the future product. In the end, these prototypes are combined to present a complete software solution. In terms of development, the project implementation follows a V-shape with the verification processes from the left side, coding in the centre, and validation processes on the right side of the V-structure. Each development stage has its individual testing phase that is planned at the same time.

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Application performance monitoring (APM) tools can be used in a development, QA, and production environment. This keeps everyone using the same toolset across the entire development lifecycle. ” This phase of the SDLC starts by turning the software specifications into a design plan called the Design Specification. All stakeholders then review this plan and offer feedback and suggestions. It’s crucial to have a plan for collecting and incorporating stakeholder input into this document.


“Let’s get this closer to what we want.” The plan almost never turns out perfect when it meets reality. Further, as conditions in the real world change, we need to update and advance the software to match. In other words, the team should determine the feasibility of the project and how they can implement the project successfully with the lowest risk in mind. Next, let’s explore the different stages of the Software Development Life Cycle. This article will explain how SDLC works, dive deeper in each of the phases, and provide you with examples to get a better understanding of each phase. When we reviewed their work, the app had very few bugs, and we didn’t request very many changes to their work.

This professional is also tasked with developing and employing best practices and standards for project documentation as well as comprehensive documentation of requirements. Additionally, project managers must also carefully evaluate the risks of the project across every phase and craft contingency plans to mitigate or reduce risks as much as possible. RAD’s development model was first conceived back in the 80s to solve the need of developers looking for a more effective solution than the traditional Waterfall. One of the biggest faults of the Waterfall methodology, and one that most developers complain about, is the complexity to change core functions and software features.

Implementation Phase

It should be used in a project where the needs and requirements of the users are clearly stated. The application life cycle management methodology is important because it helps developers create high-quality software products and provides a foundational framework for all project activities. When following the SDLC methodology, all project stakeholders gain visibility into the project from start to finish. It also helps developers manage their time and resources more efficiently and provides simplified project tracking. Various SDLC methodologies have been developed to guide the processes involved, including the original SDLC method, the Waterfall model.

  • The quality and completeness of the cases and scripts are essential for ensuring that the software is thoroughly tested and any issues are identified and resolved before the release.
  • This document is frequently used by project managers, business analysts, and senior software engineers.
  • Each development stage has its individual testing phase that is planned at the same time.

Most developers use SDLC methodologies such as Waterfall and Agile and apply it to their projects. Other examples of commonly-used SDLC models are DevOps, Iterative, Lean, V-Shaped, and Spiral. Each stage of the SDLC has specific goals, objectives, and deliverables that must be completed before moving on to the next stage.

Software Requirement

But this domain is usually outside the software development life cycle as the product is already being used by the end-customers. Although life cycle models in software engineering are not a technical document, it would not be technically challenging to understand the basic concepts of software development. Putting time and effort into the understanding of SDLC is a worthwhile investment. The software development cycle is a process that is basically used to develop, design, maintain and deploy the high-quality product that will fulfil the customer expectation. Waterfall promotes a rigid approach to software development as compared to Agile’s flexible approach. This model doesn’t suggest implementing any changes within the software development process.

Consequently, the companies providing these services are also under the spotlight in the IT market. Top Software Development Companies (SDCR) regularly publishes the lists of leading IT companies that are following best practices and are providing seamless custom products in the market. The primary demand of SDLC is to make high quality, fully structured softwares that can build satisfies the customer requirements.

Software Development Life Cycle: A Guide to Phases and Models

Take advantage of your knowledge of the qualities necessary for the PV, PM, and TL. Only as a result of their coordinated work can a project be sustainable, built on time, and in line with the plan. The PO can discuss the delivery rate with the PM, who considers the available resources to plan how the project can be implemented more efficiently. If the PO fails to explain the requirements or prioritize correctly, the team runs the risk of deviating from the course. In other words, something necessary may not be done, or something done may require redoing — and both mean additional costs.

The biggest drawback of this model is that small details left incomplete can hold up the entire process. Another thing to consider is that without basic processes or methodology concepts, you will likely end up with defective deployments. Delivering an unstable output negatively affects not only the company’s reputation but also the track record of developers. Creating a product from scratch without any guidance from an SDLC often results in systems that go over budget, are delivered late, and that fail to reach end-user/customer expectations. It might even cause an entire project to completely fail, which could be a nightmare for all stakeholders.

Driving the SDLC: Roles and Responsibilities in Software Development

The practice speeds up decision-making during product creation and minimizes risks while keeping all teams (and stakeholders) on the same page. The agile model requires the team to work in sprints that last for 2 to 4 weeks, each with unique requirements and goals. At the end of a sprint, the product owner verifies the code and greenlights its deployment to users. The team then gathers feedback and starts preparing for the next sprint. The exact number and nature of steps depend on the business and its product goals. On average, most companies define SDLCs with five to seven phases, although more complex projects reach ten or more stages.

importance of sdlc in software development

What are the benefits of using Agile SDLC model?

  • Increase in Software Quality.
  • Opportunity for Changes.
  • Progress Transparency.
  • Predictable Schedule and Costs.
  • Early Delivery Through Sprints.
  • Engagement with Stakeholders.
  • Priority on Business Value.
  • User-Focused Process.