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    Understand the principles of the System Development Life Cycle

    • January 13, 2023
    • 6 min

    Application development lacking a strategic plan leads to inefficiencies and expensive failures. Rather than diving headfirst into development, an increasing number of businesses are opting for SDLC methodologies. SDLC stands for System Development Life Cycle. It allows you to build rapid, secure, and affordable software. Furthermore, SDLC not only speeds up development but also reduces risks and expenses. Thus, we have covered some fundamental facts you need to know about SDLC in this article. You will also learn about the advantages of the System Development Life Cycle.

    Introduction to System Development Life cycle

    The growth in both the difficulty and the scope of structured coding led to the idea of SDLC. System Development Life Cycle is actually a paradigm for managing software development. The use of SDLC is for efficiently outlining, designing, developing, testing, and finally launching the software. Therefore, you must follow the System Development Life Cycle to successfully create cutting-edge software. The System Development Life Cycle specifies and explains a comprehensive plan divided into stages. Additionally, each of the stages has its own methodology and objective goals

    Furthermore, SDLC offers a defined structure that outlines the actions and objectives to be completed. Thus, it helps with project strategy and estimation making management simpler. It accelerates the development process and lowers the risks associated with the project. Thus, it lowers manufacturing and project management costs.

    Phases of System Development Life cycle

    There are 7 stages of SDLC process. Here, we will discuss these stages in brief.

    1. Planning – Planning has almost all of the tasks that engineers need to do. It assists in establishing the challenge that the software will address. It also comprises evaluating the software’s pricing and analyzing the project’s resources and expenditures. Lastly, it precisely specifies goals and time limits to release the product as per schedule.
    2. Analysis of Requirement – The analysis step gathers all the information and generates model concepts. You can explore user requirements & study mockup options. It covers tech selection and important features of the software you propose to develop. Therefore, in this stage of System Development Life Cycle, you can create SRS (Software Requirement Specification).
    3. Design – Designers will initially define the software’s broad features and particular elements in wireframes or prototypes. Thus, this stage will usually convert your SRS document to user interfaces.
    4. Development – This phase of SDLC comprises front-end and server-side development. It comprises the building of software’s UI/UX and essential functionalities development.
    5. Testing – The System Development Life Cycle consists of a testing phase after development. This ensures that all of the software’s features function properly and are in a consistent manner. This procedure includes searching for different flaws, faults, and malfunctions. You can also verify if the software fits SRS standards.
    6. Deployment- Lastly, the software becomes ready for use and you can launch it. This stage of SDLC pictures the product to be made accessible to a wide variety of consumers!
    7. Maintenance – This stage of the system development life cycle is an ongoing process. It’s not uncommon for creators to encounter issues during the initial months of a new software’s launch. Thus, the maintenance phase helps in solving the issues that occur and keeping the software error-free.

    SDLC Methodology

    There are a variety of SDLC techniques available today, each of which gives certain areas of product development a higher priority and evaluates success in various manners. Take a look at a few of the most common System Development Life Cycle approaches that are available for your business to use.

    • Waterfall Model – The waterfall approach is the one that has been around oldest of System development life cycle techniques. Each step of the project has its own individual plan, yet they all share data with one another so that difficulties may be avoided. Nevertheless, it is subject to initial setbacks, which may result in significant difficulties farther down the line.
    • Spiral Model – In comparison to other approaches, spiral models actually are very adaptable. In a motion that might be symbolically described as a spiral, projects cycle endlessly through the same four basic stages. Thus,it allows continuous input in the earliest phases, reducing time and money to execute changes. This method of SDLC is beneficial for large projects.
    • Iterative Model – This method of SDLC emphasizes repeating and continuous testing. Each step of a given project produces new editions to identify faults and enhance the final result before release. This methodology allows developers to rapidly build a functioning version of the project, making changes cheaper.
    • V-Model – The V method of the System Development Life Cycle is comparable to the waterfall method. It is also known as the verification and validation approach. It incorporates testing in each step of development and demands a strict deadline.
    • Agile Model – The agile technique places an emphasis on rapid and continuous release cycles, making use of changes that are relatively minor yet progressive between updates. It assists teams in resolving less significant problems when they crop up, instead of waiting till a more difficult phase.

    Pros of SDLC

    There are numerous advantages of SDLC. Thus, I have covered some of the benefits of System Development Life Cycle in this section.

    • SDLC reduces the expenses required in software development.
    • There are fewer problems during the development. Thus, the software will have the best user experience.
    • There is an increase in service availability and decrease in unexpected failures. It is because you have planned strategy throughout the development.
    • You can have excellent planning for a backup and restore.
    • Opting for SDLC increases precision and accuracy throughout the documentation.
    • There’s a lower probability of the project failing.
    • A shorter amount of time is needed to get a product to the marketplace as a result of improved organization, more clarity, and fewer changes.
    • You will get enhancements to the overall quality of the software.
    • There is a lower risk of the data being corrupted or having its security compromised.


    You have understood the fundamentals of System Development Life Cycle. It includes its primary techniques, many advantages, and potential disadvantages. This will assist you in developing software that will provide the best possible result. We are aware of how important it is to choose an efficient approach to managing projects. At Alian software, we develop unique technology solutions that are tailored to meet the specific needs and goals of your company. Get the most reliable custom software development company to build your personalized software.


    1.What is the meaning of SDLC?
    SDLC is known as the System Development Life Cycle. You can manage your software development easily if you opt for SDLC.
    2. What are SDLC phases?

    There are usually 7 phases of SDLC that we perform. They are planning, requirement analysis, design, development, testing, deployment, and maintenance.

    3. What is the best method to develop a system?
    System Development Life Cycle is the best way you should opt to develop any system. It allows to build of a rapid, secure, and affordable system.
    4. Why use a system development methodology?
    If you directly start the development of a system without having planning and proper research, it will cause you a loss of time, finance, and resources. Thus, following the SDLC methodology, you will be able to develop a system faster and more effectively.
    5. What are problems with SDLC?
    The problem with SDLC is the enormous amount of documents you need to make because of proper software development.

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