What Is the Software Development Life Cycle? SDLC Explained

After deployment, the launch may involve marketing your new product or service so people know about its existence. If the software is in-house, it may mean implementing the change management process to ensure user training and acceptance. The software development life cycle (SDLC) is the process of planning, writing, modifying, and maintaining software. Developers use the methodology as they design and write modern software for computers, cloud deployment, mobile phones, video games, and more.

what is the system development life cycle

Once everything has passed, we can move on to our next stage in the development process. This process will become more clear as we talk you through each individual step of the system development life cycle. If you haven’t yet started your journey as a software developer, you might ask yourself, “Is software development for me? ” Here are some signs that this career path might be one that you will enjoy. SDLC models can therefore help projects to iterate and improve upon themselves over and over until essentially perfect. Since SDLCs have well-structured documents for project goals and methodologies, team members can leave and be replaced by new members relatively painlessly.

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Recommendations Committees may lose sight of the fact that not all projects are beneficial to the strategic mission of the organization. A decision can be made not only to proceed but also not to proceed with a project. The viability of the project is based on the review of the multiple factors researched https://www.globalcloudteam.com/ in the feasibility study. It is critical to consider whether more personnel or equipment is necessary rather than more computerization. In addition to identifying potential hardware and software improvements, the costs and proposed benefits are factored into the project’s viability decision.

what is the system development life cycle

It helps to define the problem and scope of any existing systems, as well as determine the objectives for their new systems. The final phase of the System Development Life Cycle, this is the phase where end users can fine-tune the system. In addition to this, new features can also be added to the system to meet the additional user requirements if necessary. The testing is continued until the end-user finds it acceptable and it may be repeated to check for interoperability, errors, and bugs. Additionally, validation and verification are also done during this phase ensuring the program’s successful completion. This process is used to provide a framework to deliver quality system that meets or even exceeds business expectations.

Iterative Incremental Model

You will understand this more as you continue this blog and follow each step of the model for yourself. These stages, which we will discuss in more detail a little further down this blog, are the framework for completing what is the system development life cycle any project of development or engineering. Maintenance involves updating an existing software product to fix bugs and ensure reliability. It can also include adding new features or functionality to a current product.

what is the system development life cycle

Changes in the physical system always make losses to the company in terms of wastage of time, resources, money, etc. Once they confirm the logical design then the analyst looks after on its physical design. To better meet the client’s requirements, a development team can also use a hybrid approach
and combine several models in the entire project.

How SDLC Works

At this stage of the software development life cycle, we are moving into the finer details of the project and its spec. The project definition includes a description of how the system will be evaluated. Establishing the evaluation criteria early in the process supports the successful management philosophy of beginning with the end in mind.

  • It consists of steps as follows- Plan, Analyze, Design, Develop, Implement and Maintain.
  • Let’s look at the most popular SDLC methodologies you can adopt at your company.
  • Since the product is created feature by feature, programmers can easily make changes to a
    system operation if necessary.
  • Definition of the project’s purpose/stated goal is essential and often not readily apparent.
  • It is the first phase of the system development process where it identifies if a new system is needed or not to achieve the desired objective.

The project scope document becomes the internal organizational contract for the project. The project manager must possess good communication, facilitation, organizational, and motivational skills when leading a successful implementation. A sound knowledge of healthcare delivery, regulatory requirements, and hospital culture, processes, and politics is essential. If you don’t follow
the predefined life cycle phases, it’ll be rather difficult to harness the chaos and avoid
the most dangerous mistakes. But no matter which methodology the team will use, it will help you get a high-quality
software solution, save costs, and reduce time to market.


Some methods work better for specific kinds of projects, but in the final analysis, the most crucial factor for the success of a project may be how closely the particular plan was followed. SDLC is also an abbreviation for Synchronous Data Link Control and software development life cycle. Software development life cycle is a very similar process to systems development life cycle, but it focuses exclusively on the development life cycle of software. Every hardware or software system will go through a development process which can be thought as an iterative process with multiple steps. SDLC is used to give a rigid structure and framework to define the phases and steps involved in the development of a system. Testing is critical to the system development life cycle to ensure compliance with functional, performance, and security requirements.

what is the system development life cycle

The Agile way of working is common in the world of software and IT right now. It is a model that puts the customer and their needs first, focusing primarily on user experience. This means that in each stage of an Agile SDLC model, user feedback and experience are critical to each decision made. Agile models tend to release their software quickly and make frequent updates and upgrades to these systems. All of these upgrades will focus on feedback received from users, thus allowing their experience to take priority. In this blog, we are going to give an overview of the model, how it works, and how it is implemented in software development specifically.

How to choose the SDLC model?

This is the point in the life cycle in which everything and everyone needs to pull together to work towards one specific goal. The development teams involved will need to be on the same page in order to stay solution-focused, and, indeed, focused on the same solution and outcomes for the project. The second part of the systems development process will be system analysis and requirements.

The EHR has the ability to generate a complete record of a clinical patient encounter as well as to support other care-related activities directly or indirectly via interface. See other chapters in this book including the chapter on computerized provider order entry. After successful testing of the developed system, it is deployed to the concern candidate or company for which it has designed. Deployment is a process to deploy the new one designed system at clients/customers end.


The higher management either signs off on the project or asks the team to go back a step in the SDLC and come up with a new suggestion. If you are considering a transition to DevOps, ensure the team has a firm grasp of SDLC strategies before you introduce radical workflow changes. The Agile SDLC model separates the product into cycles and delivers a working product very quickly.

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