Why is Agile better than Waterfall?
Agile |
Waterfall |
---|---|
It separates the project development lifecycle into sprints. |
Software development process is divided into distinct phases. |
It follows an incremental approach |
Waterfall methodology is a sequential design process. |
Agile methodology is known for its flexibility. |
Waterfall is a structured software development methodology so most times it can be quite rigid. |
Agile can be considered as a collection of many different projects. |
Software development will be completed as one single project. |
Agile is quite a flexible method which allows changes to be made in the project development requirements even if the initial planning has been completed. |
There is no scope of changing the requirements once the project development starts. |
Agile methodology, follow an iterative development approach because of this planning, development, prototyping and other software development phases may appear more than once. |
All the project development phases like designing, development, testing, etc. are completed once in the Waterfall model. |
Test plan is reviewed after each sprint |
The test plan is rarely discussed during the test phase. |
Agile development is a process in which the requirements are expected to change and evolve. |
The method is ideal for projects which have definite requirements and changes not at all expected. |
In Agile methodology, testing is performed concurrently with software development. |
In this methodology, the “Testing” phase comes after the “Build” phase |
Agile introduces a product mindset where the software product satisfies needs of its end customers and changes itself as per the customer’s demands. |
This model shows a project mindset and places its focus completely on accomplishing the project. |
Agile methdology works exceptionally well with Time & Materials or non-fixed funding. It may increase stress in fixed-price scenarios. |
Reduces risk in the firm fixed price contracts by getting risk agreement at the beginning of the process. |
Prefers small but dedicated teams with a high degree of coordination and synchronization. |
Team coordination/synchronization is very limited. |
Products owner with team prepares requirements just about every day during a project. |
Business analysis prepares requirements before the beginning of the project. |
Test team can take part in the requirements change without problems. |
It is difficult for the test to initiate any change in requirements. |
Description of project details can be altered anytime during the SDLC process. |
Detail description needs to implement waterfall software development approach. |
The Agile Team members are interchangeable, as a result, they work faster. There is also no need for project managers because the projects are managed by the entire team |
In the waterfall method, the process is always straightforward so, project manager plays an essential role during every stage of SDLC. |
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