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What Is the Software Development Life Cycle SDLC and How Does It Work?

Furthermore, developers are responsible for implementing any changes that the software might need after deployment. The information system will be integrated into its environment and eventually installed. After passing this stage, the software is theoretically ready for market and may be provided to any end-users. During the testing stage, developers will go over their software with a fine-tooth comb, noting any bugs or defects that need to be tracked, fixed, and later retested. Stackify’s APM tools are used by thousands of .NET, Java, PHP, Node.js, Python, & Ruby developers all over the world.

system development life cycle example

Related to the streaming services, the developers added features like movie renting features and SVOD in this SDLC Real Life Example. Of course, it is also important to understand here that these advantages are not a general thing for every team. How well a team performs their tasks and the expertise of the managers of each project defines what benefits they would notice. Owing to this, it is less preferred among all the models except for by smaller companies who use it in their comparatively smaller project outlines and software. This leads to the creation of more successful versions in the following line.

System development life cycle: waterfall model

In the software development life cycle agile models, testing can happen more frequently. This includes all the specifications for software, hardware, and network requirements for the system they plan to build. This will prevent them from overdrawing funding or resources when working at the same place as other development teams. A software life cycle model describes entry and exit criteria for each phase.

In this phase, you get into the day-to-day execution of the project plan. In the end, you need requirements that software engineers will understand. After you planned how to manage the project, you need to find out what you need to develop. Sometimes you’ll need to identify required resources and expertise. You’ll need to curate the top subject matter experts in your field to generate ideas and solutions. First of all, you need to develop a conceptual design and wireframes for future application.

Software Development Life Cycle Guide With Examples

The exact number of phases varies from five to seven, depending on the specifics of a system
development project and a particular methodology that a team applies. We’ll describe the
seven-stage https://www.globalcloudteam.com/ version of a system development life cycle since it will allow you to see the
bigger picture. SDLC is also an abbreviation for Synchronous Data Link Control and software development life cycle.

It is important that you have contingencies in place when the product is first released to market should any unforeseen issues arise. Microservices architecture, for example, makes it easy to toggle features on and off. A canary release (to a limited number of users) may be utilized if necessary. As a rule, these features help to finalize the SRS document as well as create the first prototype of the software to get the overall idea of how it should look like. It is often incorrectly equated with the actual development process but is rather an extensive prototyping stage.

A UI design case study to redesign an example user interface using logical rules or guidelines

You can consider this your software development life cycle tutorial. The software development life cycle models all hinge on the testing phase. SDLC works by lowering the cost of software development while simultaneously improving quality and shortening production time.

Why is SDLC Important?

However, regardless of the model you pick, there are a lot of tools and solutions, like Stackify’s Retrace tool, to assist you every step of the way. Developers create a version very quickly and for relatively little cost, then test and improve it through rapid and successive versions. One big disadvantage here is that it can eat up resources fast if left unchecked.

system development life cycle example

The maintenance phase is significant to meet existing customer needs with ease. For instance, if creating solid documentation is important for a client, it’s better to
choose a waterfall or V-shape conceptual model. In case a priority is fast getting to the
market, then a RAD or agile SDLC methodologies will be a more suitable option. The big bang model is a high-risk SDLC type that throws most of its resources at development without requiring an in-depth analysis at the start of the cycle.

Software Development Life Cycle and Project Management Approaches

It’s linear and straightforward and requires development teams to finish one phase of the project completely before moving on to the next. A software life cycle model (also termed process model) is a pictorial and diagrammatic representation of the software life cycle. A life cycle model represents all the methods required to make a software product transit through its life cycle stages. It also captures the structure in which these methods are to be undertaken. Big bang model is focusing on all types of resources in software development and coding, with no or very little planning. Once the software testing phase is over and no bugs or errors left in the system then the final deployment process starts.

  • Also, you may need to create documentation, specific capabilities to administrate the service and so on.
  • SDLC stands for Software Development Life Cycle and is also referred to as the Application Development life-cycle.
  • SDLC is a systematic process for building software that ensures the quality and correctness of the software built.
  • Nowadays, you’ll rarely see an application that doesn’t integrate with other services or applications.
  • And each time, the stages showcase advancement, until finally, the software is ready for deployment.
  • Moreover, you need to prevent defects in the process of development.

You need to identify many other requirements, though these you should prepare beforehand. During the deployment period of the software Product Development Life Cycle Stages, you have to deliver it to a hardware. Thus, you need to focus on integrating your software with these databases, so that you can access their storage space. The next of the Product Development Life Cycle Stages is to figure out what you would need to complete it.

Software Design

With that in mind, Intellectsoft’s best experts have created a complete guide to the system development life cycle. You’ll learn about its core meaning and phases, major software engineering methodologies, and the system development life cycle example most important benefits it can provide during project development. With the adoption of faster and newer development life cycles, organizations are moving away from older SDLC models (waterfall, for example).


Let’s look at the most popular SDLC methodologies you can adopt at your company. Each step in an SDLC results in an output (document, diagram, working software, etc.) that acts as the necessary input for the next step. Despite this funnel-like approach, modern SDLC strategies are not strictly linear. The team often goes back a step or two in the SDLC to perform fixes or make improvements.

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