What is the Software Development Life Cycle (SDLC)?

software development life cycle

SDLC was initiated as a course of action for the development life cycle in the 1960s. Initiated to drive intricate systems that commanded an excess of data processing and evaluation. Over the stretch, the techniques are revamped and emanate in Software Development Life Cycle, which now has become complex. Various frameworks are devised and adopted to bolster and enhance digital solutions, leaning on the classes of projects. We are going down this lane to apprehend SDLC better and more in-depth.

And if we actually get into the theme, you probably would likely start with what the software development life cycle is.

What is the Software Development Life Cycle?

Software development life cycle is a bunch of steps and tactics heeded by the engineers and coders in the program of software building to secure superior-quality results. It comprises varied facets like technology, duration, and expense of reaching consumer expectations. As a brief explanation, it is the ideals observed by establishments to enrich procedures, which ultimately bring the best grade to the outcome.

How does the Software Development Life Cycle Flows?

As cited earlier, several measures are adopted in demand to wipe out the loopholes in the system to shorten the development time and contract the overall outlay. It reduces upkeep, reworks, and upgrades of the software. Following a sequel of procedures, it achieves the best business pursuits. The procedure which we are pushing to discuss in this section!

sdlc steps

Examination of Needs

The first step is to research the essentials that clients present for their project. It includes describing the tasks, resources, labor, deciding a term, and creating a team and authority. The whole system is functioned by the proficient associates of the organization abiding letters of user demeanor. Domain connoisseurs, marketing chiefs, and sales team. The procedure will be conducted in the provident, operational, and technological areas assuring the practicality of the scopes.


After the whole research operation, now the team will plan to execute that guideline in the most profitably computational way. The resources, technology, specialists, associates, costing, and time bounds. It then added incorporates the characteristics of the whole plan, which would demand some backup plans to not face any loss in the scheme in terms of efficiency and costing. These are then gathered in a document called Software Requirement (SRS).


Now, established on the assignment record, a few compositions are written down in the Design Document Specification, which will be reanalyzed by the substantial shareholders of the firm and relative professionals. The document comprises all the crucial portions of the direction structure, executing flow, and communication.


After all the testament, the authentic programming begins as per the cited phases. All the constituents of the software solution are enforced at introduced levels. Developers should cling to the convention and also confirm the camaraderie of the marks with other projects in order to get the matched aims or not.


Code forged in the previous step will be diagnosed, probed, and distilled from the glitches. Conducting all the essential levels of testing for the software to make sure all the processes are perpetuating the path it is arranged to. In addition to eradicating the falsehood, the software code is also tried for gait and consistency and to downsize droops or lag in the software.

Deployment and Supervision

Then comes the installation to the appropriate servers in the proper style. The software may also pass through certain deployment circumstances, such as quality analysis and staging. The outcome is released first on the restricted segment such that if any fallacies transpire, it is not revealed to numerous users, and the supervision is done with those then to finalize functioning for the transnational liberation.

Types of Models of SDLC

software development life cycle models types

Waterfall Model

It is the uncomplicated model, diverged into the steps heeded to the next ones. Each grade has its planning and “waterfalls” on the next step. The consequence of the foremost rides on the other. Though the tactics lag for flexible assignments as the exercise is confined to the pre-mentioned necessities.

Iterative Model

All the steps of the development have one consequence that is deployable but insufficient. That preliminary circumstance in the subsequent step thereafter and the last stand will be altogether evolved, obliging to be installed. One big liability here is that it can swallow up resources quickly if left rampant.

Spiral Model

It is one of the adjustable models like the Iterative program. It goes to the groundwork, architecting, devising, and examination steps again and again with accumulative progress. Model is useful as the hazard accounting is done considerably. But this model is not the right fit for extensive assignments.


The crafting and confirmation phase runs in similitude. It is the agenda, in which each level is pursued by the testing procedure. This is not a fortunate tack for the task that would demand shifts in any middle stages because it can expense them lofty amounts.

Big Bang Model

It is a lofty-risk SDLC model that obliterates the aids in the development process. This phase does not ought many arrangements and computations. The process is apt for undersized schemes only, and there is no testing team required.

Agile Model

It is the crossbreed of Iterative and Incremental models that also crystallize on the versatility of the scheme rather than the conditions. The function demands highly capable resources and innovators, and also it lacks documentation.

Best Practices for a Software Development Life Cycle

Software development life cycle is widely embraced to substantiate the best resolution forming from the program. Though you would also be directed to comprehend the useful conventions of SDLC. Sounds counterintuitive, right? But that’s true. Here are a few best practices mentioned for an effective SDLC.

  • Adequate communication is the key. An associate should be better aligned to transmit the directives, perpetrate the work and handle the resources.
  • A protected working code is vital, and there comes to picture source control. It’s a virtual room where the encrypted connection is a cloud-based development environment.
  • During the absolute development, the cycle makes sure that each element is agreeing entire, and that is reinforced by continued integration.
  • The clarity to each degree and in the broad project also adds analytics, bug-hunt, and work surveillance methods. Also, work for the degrees that are not fruitful adequate for executing SDLC.

What are the Advantages of SDLC?

You wonder why on earth someone wants such complex, wide, and sluggish work to invent software. Well, the answer is not so straightforward; it relies on qualitative and quantitative characteristics of a development cycle and software. Here are a few concessions mentioned that compelled a developer to embrace it.

  • When the technique is obeyed the way it is organized, you get mind-blowing results. It gives control over management, resource, documentation, and flow of the development.
  • It also eliminates the implementation failures, which act as flaws in the process; SDLC is pursued precisely.
  • As you adopted all the procedures of SDLC, you aim towards the adequate grade of the code structure and also understand it well at times of solving the defects and customize the codebase for better loading speeds.

The Future of SDLC You Must Know

The digitalization trends are kept on evolving, and in the year 2022, we are about to encounter a lot of innovation, evolution, and wider reach of the existing technology. And the most rudimentary digital trends to be tracked in 2022 do have a consequence on software development.

With this, we see the refreshed adoption of the life cycles for faster and more effective results. Also, it is merged with the DevOps abilities as the frontiers between polar units have been gradually liquefying in the rage of a clarified and contemporized course for software. All of which is purposefully donating to the instantaneous origination of the software project, benefiting an institution utmost.

In the near fortune, the SDLC will be more adopted with the evolved DevOps tactics substantiating success in the modernization in the circle and eventually the derivatives. As one of the beneficiaries of using the SDLC guideline for building best-in-class software, our IT services and projects contributes comprehensive upshots rightly tailored to the project’s demands.

Wrapping It Up!

Software development life cycle gives a broader view of the trample and an accurate prediction for the upshot that is exceeding the best class. It gets to examine, refine, cater and defend the best derivatives. Reading until you have now know everything about the SDLC, you can conceal that it is a scalable belief of the assignment that retains the time, code, and resources for its consequential use.

Rohan Vaidya carries matchless technical expertise in application development. A technical professional who is highly experienced in various development technologies and always eager to make the life of startups and businesses much easier with innovative solutions. Rohan has the vision to cater to the world’s high-class tech solutions with his enthusiastic team of developers.