Learn About the Software Development Life Cycle (SDLC)

A Software Development Life Cycle (SDLC) describes a methodology for creating high-quality software. It consists of the following phases:

  • Analyzing requirements
  •  The planning process
  •  Designing software, such as architectural designs
  • Development of software
  • Tests
  • The deployment process

The purpose of this article is to explain how SDLC works, dive deeper into each phase, and provide examples.

How Does The Software Development Life Cycle Work?

The Software Development Life Cycle (SDLC) is a process for creating high-quality software in the shortest possible time at the lowest cost. With SDLC, an organization can quickly produce high-quality software that has been tested and is ready for production by following a well-structured flow of phases.

The SDLC includes six phases, as explained in the introduction. Popular SDLC models include the waterfall model, spiral model, and agile model.

How does the Software Development Life Cycle work?

SDLC Process

Through SDLC, software development costs are reduced while quality is improved and production time is shortened. SDLC achieves these seemingly divergent goals by following a plan that removes the typical pitfalls of software development projects. That plan starts by evaluating existing systems for deficiencies.

In the next step, it defines the new system's requirements and develops the software through phases such as analysis, planning, design, development, testing, and deployment. By anticipating costly mistakes like failing to ask the end-user or client for feedback, SLDC can avoid redundant rework and after-the-fact fixes.

As the SDLC is a repetitive methodology, it is imperative to ensure code quality at each cycle since it is a repetitive process. The right type of tests can save your organization a lot of rework, time, and money. Having a strong focus on testing can save you a lot of money, time, and rework.

The next step is to examine the different stages of the Software Development Life Cycle.

Best Practices and Stages

By following best practices and/or stages of SDLC, the process runs smoothly, efficiently, and productively.


1.     The First Step Is To Identify the Current Issues

As part of the SDLC, this stage involves gathering input from all stakeholders, including customers, salespeople, industry experts, and programmers in order to improve the current system.

2.     Make a plan

This stage of the SDLC determines the cost and resources needed for implementing the analyzed requirements, as well as identifying risks and providing sub-plans for mitigating them.

The team should determine if the project is feasible and how it can be implemented effectively with the least amount of risk.

3.     The design

As part of the SDLC, the software specifications are turned into a design plan known as the Design Specification, which is then reviewed by all stakeholders and offered feedback and suggestions. It is essential to have a process for gathering stakeholder input and incorporating it into this document, since failure at this stage will almost certainly result in cost overruns and at worst, a complete failure of the project.

4.     Build

"Let's make what we want."

During this stage, the actual development begins, so it is important that all developers follow the agreed blueprint. Also, make sure you have proper guidelines regarding code style and practices.

Defining a nomenclature for files or defining a variable naming style like camel Case will help your team to produce more organized and consistent code that will be easier to understand and test.

5.     Test the Code

We test the product for defects and deficiencies. We fix those issues until the product meets the original specifications.

We want to verify if the code meets the requirements.

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6.     Deploying Software

"Let's use what we have."

Many organizations choose to move the product through different deployment environments such as testing and staging before deploying it to the production environment.

Besides allowing stakeholders to test the product safely before releasing it, this also allows any final mistakes to be corrected before the product goes to market.

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