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    Engineering Advice Waterfall Model: A Better Way for Software Development

    Waterfall Model: A Better Way for Software Development

    Waterfall Model

    The secret for success is mastering a process. If your project or software development is in the right flow, you will be able to complete the project on time and successfully. Somehow, it is one of the challenging tasks for project management to choose the right software development process. If you are also facing the same problem, then you are in the right place. Today, we are going to discuss the software development model

    Generally, two types of software development lifecycle models are used by the project managers: Agile and Waterfall. Both are the best approaches. Here, we are discussing the Waterfall model.

    “Waterfall Model is a process for software development or linear life cycle model which follows the strategy of waterfalls; it means you need to complete the first task first before starting with the next one.”

    What is the waterfall model?

    The waterfall model is a software development procedure in which all the steps in a linear sequential way. The next step will be started after finishing the previous one.

    Why waterfall model is best?

    One of the best features of the waterfall model is that it allows software changes even during the development process. So, it is arranged linearly.

    Is the waterfall a model or methodology?

    In actual, the Waterfall model is a project management methodology that includes five to seven steps in a linear order, where a new phase will start only if the previous one finished. The waterfall model works on the mechanism of a waterfall.

    Waterfall Model Success Rate:

    According to the CHAOS report, the success rate of the waterfall is 26%

    waterfall model

    Waterfall Model Examples:

    The waterfall model is mostly used to develop enterprise applications like Customer Relationship Management(CRM) Systems, Supply Chain Management Systems, Inventory Management Systems, etc.

    Which Company uses Waterfall Model?

    Well-known companies use the waterfall model in their software development process; one of these companies is Toyota

    History of Waterfall Model:

    The waterfall model is one of the traditional software development models. Royce first documented the waterfall model in 1970. The waterfall methodology is a popular and flexible version of life cycle models for the software development process. Numerous industries quickly adopted the waterfall methodology for better project management.

    waterfall model

    Phases of the Waterfall model:

    Generally, the waterfall methodology includes five to seven steps in the software development process, from requirement analysis to deployment and maintenance. Have a look at these steps of the waterfall methodology:

    • Requirement Analysis
    • Design
    • Development
    • Testing
    • Maintenance

    1.) Requirement Analysis:

    During the requirement stage, the developers analyze all the details and information about software or project. It includes the gathering and documentation of the software requirements. This document defines what it should contain? How would it work? etc. 

    2.) Design:

    At the design stage, developers have categorized this into two types of design like logical or theoretical. The logical design includes the analysis and estimation of the design of the software, whereas the theoretical model means implementing the design.

    3.) Development:

    In the waterfall methodology, after the designing phase, the project enters into the coding or development phase, where developers focus on the implementation and error handling. Developers can get references from the requirement and designing stages for better implementation.

    4.) Testing:

    During the testing phase, all the individual units are integrated into the singular project to ensure the working and proper functionality. QA, beta testers, and all other testers report errors and other issues in the software that need to be resolved.

    5.) Maintenance:

    After deployment, the software is analyzed to determine the errors in the releasing patches and updates. So, to ensure the proper working, the maintenance phase is introduced to handle the issues.

    Advantages of the Waterfall Model:

    Although the waterfall methodology is one of the traditional software development models, it still has numerous benefits to the software development process.

    1.) Clear structure:

    Waterfall methodology use a clear and straightforward structure sequentially, just like a waterfall in real life. It goes through several steps like requirement analysis, design, development, testing, deployment, etc. Unlike other software development models, waterfall methodology doesn’t require certified project managers.

    2.)Ease in management:

    Waterfall methodology experienced as the simplest and easiest one for project management. The project managers’ waterfall flow can be easily managed, and it is very easy to shift from one phase to another phase.

    3.) Well documented:

    The waterfall methodology inaugurated with the documentation, so it is known for its well-documentation feature, among other types of software development process models.

    4.) Transfer the information well:

    The waterfall model works on a linear mechanism. Every stage relies on its previous stage for better functioning. Due to the well-documentation, waterfall methodology conveys the information from one phase to another.

    5.) Speed up the project:

    The waterfall methodology initializes with the documentation of the requirement analysis, which makes the development process smoother and quicker. 

    6.) Clearly-defined milestone:

    The requirement analysis and documentation before the designing and development help the developers to focus on the goals of the project.

    Disadvantages of the Waterfall Model:

    1.) The waterfall methodology creates a problem for unexpected changes and revisions.

    2.) The waterfall methodology excludes the client or end-users from the project.

    3.) The waterfall methodology delays the testing until the previous steps are completed.

    DevOps with Waterfall: Is it Useful?

    Waterfall style projects are not fast and responsive to change. Waterfall models have long cycle times, so DevOps can not be coexist with the waterfall.

    Read More about DevOps: Best practices to implement DevOps for WordPress Application or Websites

    Waterfall Model vs Agile Model: Difference

    Waterfall ModelAgile Model
    Incremental ApproachSequential Approach
    FlexibleRigid
    Collection of different projectsCompleted as single project
    Allows changes during processNo changes are allowed
    Evolving RequirementsDefinite requirements
    Testing is done concurrentlyTesting comes after development
    No need of project managersProject manager is essential
    Project details can altered anytimeFixed project details
    High degree of coordinationLimited team coordination

    In Final Words:

    After analyzing the benefits and drawbacks of the waterfall methodology, you will know that the waterfall methodology is the most suitable model for the projects with well-defined requirements, and no changes are expected. 

    Karan Bhardwaj
    Karan Bhardwajhttps://tekkiwebsolutions.com/
    Karan Bhardwaj is a Marketing Expert with 8+ years of experience and working as a CMO (Chief Marketing Officer) at Tekki Web Solutions Pvt. Ltd. He is Responsible for business strategy, marketing operations, identifying new market opportunities, market research, branding, and business development.
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