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Agile Vs Waterfall Methodologies

There are two popular methods of software development.

  1. Waterfall Methodologies
  2. Agile Methodologies

Though  both the methodology is efficient and a very much similar in order to achieve their respective goals which is to achieve the path to determine the best strategy in terms of feasibility to complete certain project within a predetermined stipulated  amount of time , they follow completely different way.

Waterfall Methodologies: it is the method which is being defined as the traditional process of software development. It is being used for small projects and educational project purpose. The phase it consists of is requirement, design, implementation ,testing, deployment and maintenance. It was first released in 1989. Here any stage in development phase may begin only once the previous phase is being completed

Pros of waterfall model

Due to the nature of project’s , each phase contains review process and deliverable as well it is the most simple types to operate

It is suitable for smaller projects

Both outcomes and procedure is being recorded  meticulously

This project management approach is useful for dealing with dependencies

Cons of waterfall model

This methods is not applicable for big projects

If the client’s requirements is not properly defined then this process is less effective

All the phases is interdependent  and difficult to travel ahead and make changes to previous stages

Due to the above reason if any major error or bugs found during the testing then it is very difficult and costly to fix it as again all the phase one after another needed to be implement.

Agile  Methodologies: it is the method which ci/cd options called continuous development and continuous integration. Here the entire project is being divided into multiple pieces and then all the small pieces are being developed and integrated  for a long period of time. This method helps consumers, developers, managers, and testers to communicate more effectively. The process it consists of is product overview, user story workshop, product backlog creation, sprint planning, sprint backlog creation, define scrum, sprint review,sprint burndown, product burndown, s print retrospect and repeats again. In practical all these are being maintained by tools like jira ,git lab etc.

Pros of agile model:

This method is more customer centric so customer as a stakeholder is being involved in throughout the project

This project is being developed bunch f motivated  team player as a result they deliver superior results in development projects

In this method  functionalities are being developed in small chunks so before integration it is being tested each time so throughout the development phase quality is being  maintained

As the product is being  developed in an incremental growth after completion of each task it can easily be measured the status of the project like what has and has not been accomplished. It reduce the  risk of the development phase.

Cons of agile model:

For small scale project it is not viable in terms of effort and time

Here rather than professional  presentation  in the meeting crucial choices are being made

It is costly than traditional method

Continuous engagement is client is needed for understanding of the requirement as the requirement can be changed during the product incremental.

Key difference

agile waterfall
list of lacks are being made everyday by project manager and associates specifications is being made by the ba  at the beginning of the project
making any changes during the development phase is easy to implement and always welcome. making changes is costly as it requires to follow the same procedure again to implement it
testing takes places throughout the project in each phase after build setup testing is done,and coding phase is being completed
here it is a compilation of several outlines here software gets developed as specific outline
sprints are used to break down the project into manageable pieces. In general, the methodology gets separated into several stages.

 

Conclusion

Agile works effectively for processes that involve ci/cd (continuous integration/continuous development) whereas waterfall is being used for specific task.unraveling into iterative portions enables for speedier feedback loops, permitting your service to be readily modified to reflect client preferences. It is critical to realize that there is still no one-size-fits-all solution for job management

 

 

 

 

About COEPD

COEPD is a primarily a community of Business Analysts. Objective of COEPD is to minimize project failures by contributing in the areas of Business Analysis. All BAs who are committed towards this cause, gathered and formed this COEPD Community. Through COEPD, we are striving to bring awareness of Business Analyst role and also the benefits of having a BA in project. As a part of this, we are imparting Business Analysis knowledge to all enthusiastic professionals, who are keen in getting into this BA role.

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