Difference Between Agile vs Scrum vs Waterfall
Agile software development is an iterative approach. In-depth planning at project beginning will not be carried out and instead, encourages changing requirements and constant feedback from the users, For a period of time cross-functional teams work on the iterative manner and this work is prearranged into an accumulation that is prioritized based on customer value. a working product is expected in each and every iteration. Being a part of agile it is one among the major setups which let to the evolution of agile. It allows complex software and product development working on an iterative approach. Fixed iterations that exist for one or two weeks are carried out and they are named as sprints, allow to ship software on a regular accent. The next steps are decided at the end of each sprint. Waterfall methodology follows a chronological, linear procedure and the most popular version of the SDLC in engineering and IT projects. Once each stage is completed the development progresses towards the next stage. the previous stage movement can never be archived here and there has to be a restart where the whole process will be kick-started from the beginning. here requirements will be reviewed and approved in each and every stage of the process.
Principles of Agile manifesto,
- Customer satisfaction through continuous valuable software delivery
- Fit in requirement changes in the phase of development
- Shooter delivery scale
- Collaborations within business teams and developers on a daily basis
- Deliver Greater support, trust and higher autonomy to the team members.
- The transmission of information within a development team is achieved significantly on face to face communication.
- working software measures the progress of the project
- Maintaining a constant pace provides sustainable development
- The main focus is Technical excellence.
- The teams should reproduce to be effective regularly
Major principles of scrum manifesto,
- Empirical Process Control: Three main ideas of transparency, inspection, and adaptation are the structure on which scrum is built upon.
- Self-organization: This principle focuses to deliver significantly superior value when self-organized and this provides better buy-in and an inventive and imaginative environment which is more contributing to growth.
- Collaboration: It expects articulation, awareness, appropriation. project management is a value creation process and greater value is delivered with teamwork and interactions.
- Value-based Prioritization: This principle focuses on how scrum helps to deliver maximum business value, from the early stages of the project and continuing all through.
- Time-boxing: This describes the role of time in a scrum, and manages time elements effectively. Time-boxed elements in Scrum include Daily Standup Meetings, Sprints, Sprint Review Meetings, and Sprint Planning Meetings.
- Iterative Development: This principle defines iterative development as how changes can be managed better and customer needs are satisfied with built products.
Advantages of the waterfall model,
- Easily manageable process
- Every phase in the Waterfall has a start and endpoint, and it’s easy to share progress with stakeholders and customers.
- It always expects a documented procedure
Head To Head Comparison Between Agile vs Scrum vs Waterfall(Infographics)
Below is the top 5 difference between Agile vs Scrum vs Waterfall
Key Differences Between Agile vs Scrum vs Waterfall
Both Agile vs Scrum vs Waterfall are popular choices in the market; let us discuss some of the major Difference Between Agile vs Scrum vs Waterfall
- Waterfall provides more confidence in what is going to be delivered very priorly itself. Agile works on the best practices of a development environment. here several risks in the project can be handled nicely since the output is reviewed constantly.
- Waterfall does not expect the project and team members to co-located.wheras agile and scrum expects co-location of workers.
- Agile settles with a lesser rework of projects also changes should be picked up much earlier. Scrum also allows earlier identification of changes whereas waterfall doesn’t react the same way.
- Agile and scrum provides a smaller blueprint on the end product. this makes a pain point in regard to the stated commitments to the customer. Whereas the waterfall picture a better image of the end product to the customers and developers.
- All these methodologies have their own tools for managing and modeling their developments tasks.
Agile vs Scrum vs Waterfall Comparison Table
Below is the topmost comparison between Agile vs Scrum vs Waterfall
|
Waterfall |
Scrum |
Agile |
| The sequential and planned approach |
High possibility to change the requirement |
An adaptive and iterative approach |
| Less responsive to change | Continually responsive to change | Involves a lot of change |
| Launch late and iterate never | Launch late and iterate when needed | Launch late and iterate often |
| A task is fixed, time is variable | A task is variable and time is variable | Time is fixed, a task is variable |
| Failure avoidance | Fails small | Fails small |
Conclusion- Agile vs Scrum vs Waterfall
Agile and Waterfall are very different end products. Waterfall could be applied to almost all types of IT projects but both agile and scrum have their own restrictions based on the kind of project they are involved.
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