Agile Vs Waterfall - What is the Difference Between Agile and Waterfall?

Agile Vs Waterfall - What is the Difference Between Agile and Waterfall?
Agile Vs Waterfall - What is the Difference Between Agile and Waterfall?

Agile and waterfall are  distinct methodologies of approaches to finish tasks or paintings items. Agile is an iterative technique that carries a cyclic and collaborative technique. Waterfall is a sequential technique that also can be collaborative, however responsibilities are normally treated in a greater linear technique. 

Following the agile technique, your mission will pass thru a sequence of cycles for the duration of the life of the mission. The improvement phase, review, feedback, after which approval of the paintings item – both sure or no. If sure, enforce and whole the mission. If no, report and make any important changes, music and alter the backlog or prioritization to mirror the newly received knowledge, after which pass onto the following mission or sprint. 

Following the waterfall technique is a less complicated technique of transferring responsibilities thru the levels of defining requirements, designing the implementation, imposing the paintings item, verification of implementation and fine assurance, after which renovation of the characteristic withinside the end. 

Selecting the proper technique in your tasks will rely on choice and the character of every mission. Some tasks require a greater iterative technique and others require a greater sequential approach.

Difference Between Agile and Waterfall 

Both methodologies can help developers ensure good project management. Knowing the difference between agile development and waterfall development based on the needs of a specific project can better prepare your development team to choose the right process and method to deliver a successful software project. The notable differences are: 

  • Agile is a phased, iterative approach. Waterfall is a linear and sequential approach. 
  • Agile breaks the project into sprints. Waterfall divides the project into stages. 
  • Agile helps complete many small projects. Waterfall helps complete a single project. 
  • Agile introduces a customer-satisfying product mindset. Waterfall is committed to the successful implementation of the project. requirements are prepared daily in Agile and requirements are prepared once when released in Waterfall. With 
  • Agile, you can change your requirements at any time. With Waterfall, you don't have to change the scope of your work after the project starts. 
  • Testing is performed concurrently with agile development. The test phase  only occurs after the build phase of the Waterfall project. 
  • Agile testing teams  can engage with changing requirements. Waterfall's testing team is not  involved in changing requirements. 
  • Agile allows project teams to work without a dedicated project manager. Waterfall needs a project manager who plays an important role at every step.

What Is Agile Development?

Agile development is a team approach focused on rapidly deploying functional applications with a focus on customer satisfaction. A specific period of two weeks defines a time-limited phase called a sprint. 

At the start of each sprint, a list of results is prioritized based on customer feedback. At the end of the sprint,  developers and customers review and evaluate the work, along with notes for future sprints. As a methodology based on general principles, more specific methods based on processes such as Scrum and Kanban are called Agile types.

What Are the Benefits of Agile?

Some of the known benefits of an agile project are:

  • Faster software development life cycle
  • Predictable schedule in sprints
  • Customer-focused approach, resulting in increased customer satisfaction
  • Flexible in accepting changes
  • Empowers teams to manage projects
  • Promotes efficient communications
  • Ideal for projects with non-fixed funding

What Are the Disadvantages of Agile?

The following are disadvantages of agile:

  • Agile requires a high degree of customer involvement, which not all customers are comfortable with or prefer to give.
  • Agile assumes every project team member is completely dedicated, without which weakens the principle of self-management.
  • A time-boxed approach may not be enough to accommodate all deliverables, which will require changes in priority and additional sprints that can bring up cost.
  • Agile recommends co-location for efficient communication, which is not always possible.

What Is the Waterfall Development Process?

Waterfall project management is a sequential approach that breaks the SDLC into distinct phases: requirements capture, analysis and design, coding and unit testing, system and user acceptance testing, and deployment. The next step can only be continued if the previous step has been completed. Between steps, results are expected or documents are signed. 

Gather all requirements as early as possible, providing information on planning, scheduling, budgeting, and resource creation, as all steps are done and completed only once. It is manageable, so any changes made after the start of the project will violate the original plan and require a restart.

What Are the Benefits of Waterfall?

The following are the benefits of waterfall methodology:

  • Straightforward planning and designing due to the agreement on deliverables at the start of the project.
  • Better design with whole-system approach
  • Defined scope of work
  • Easier costing
  • Clear measurements of progress
  • Defined team roles
  • Dedicated resources can work in parallel for their specific tasks

What Are the Disadvantages of Waterfall?

Newer development methodologies were created because of known disadvantages of waterfall, including:

  • Rigid structure to allow necessary changes
  • No allowance for uncertainty
  • Limited customer engagement, resulting in poor satisfaction
  • Sequential approach is not ideal for a large-sized project where the end result is too far in the future
  • Testing is done only at the latter phases of the project.

The best way to approach a software development project is to focus primarily on your business goals. The team can then select, tune, and tune to create the best hybrid practices for their needs.

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