Software product development involves various approaches to manage the entire phase. It has evolved over the years in unpredictable ways. Many conventional methodologies have been modified to align the futuristic innovations. Organization parameters and equations fluctuated with each decade, as did their methodologies. Waterfall, Agile, and DevOps are significant examples of this paradigm shift.

For Robust Product Development, Compare Waterfall, DevOps, and Agile

All three methodologies have driven impactful optimum results. When choosing any methodologies must consider the resources, expenses, and requirements. Pick a model that better aligns with your project needs.

Waterfall Methodology Model

It follows the 6steps to complete the development cycle.

• Requirement,

• Analysis,

• Design,

• Coding,

• Testing,

• Operations,

We can’t jump over to any of the steps directly. But we need to follow the process in a linear format. It is required to follow so no mess can occur at the production.

How can we write code structures until the requirements are sorted and the proper design prototype is ready?

In the first phase of this waterfall need, our primary focus is gathering the client requirements. Preparing documentation would also be suitable for future reference. The team has a clear idea of the object and plan so that the team won’t mislead by any quotation.

Once the condition is done, the design prototype is ready. It's time to code into the software. The testing team will prepare some test use cases. If the product satisfies the critical features as per the documentation or not?

If any bugs occur, then immediate fix and retest. The testing and operation steps will be in a loop until the bug is altered.

Significance of Waterfall Model

The Waterfall model would be suitable if you are dealing with small projects where no significant expansions are predicted to happen in the future. It's a kind of rigid, linear, and sequence-wise process. But the team has to maintain the flow step-by-side.

This model is a relay race where each participant must pick off & complete the step to streamline the next. Subsequently, no formal assignment is needed, not to sprint classification.

The downside of the Waterfall Model

After the completion of the coding phase, if the testing team finds a bug, it will be an obstacle to delivery. The testing team will ask the developer regarding their inspection and fix the issue. If bugs are high in the count, it will increase the product's budget and create an extra burden.

If a client needs changes in the middle of development, the team has to spend time restructuring the objective and streamlining all the steps to achieve the goal.

Because of the limitation of fewer implementations/ changes and time-consuming process waterfall model is restricted to use in high-scale projects.

Agile Methodology Model

Rather than depending upon the end goal or product assembling, it’s a frequent iteration-based process. These quick improvements and upgradation sort out the complication efficiently. The workflow chunk into components, and the development team operate flexibly. Once the operation team completes the component deployment, no more iteration is required. The testing team receives the component for verification and final validation.

Most modern global software development companies prefer this Agile Model.

Before the deployment phase, the product management team will discuss the objective and features with stakeholders & development managers.

The product development team selects the MosCoW model to streamline the development process. They will focus on which features must have been included in the first phase and which can’t ignore. The development team will receive feedback regarding issues from the operation team and try to fix them.

Each issue has a deadline. You can categorize this issue ticket in the sprint to review the iteration journey. Once all the iteration steps are covered, it will declare the sprint completion.

Scrum Methodology

If you have a minor development deal to work on the project, the scrum master will keep an eye on meetings, tasks, and issues. After receiving feedback and proper discussion, he will assign the task to each team member. In the administration of the scrum master approached this retrospective completion and improvisation through the scrum method.

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Kanban methodology

Japan manufacturing organizations streamline their projects through the Kanban methodology. It's all about managing the entire workflow visuals. In this methodology, we have a Kanban board designed with rows and columns. The project manager will list the sprint objectives in rows, and all the goals will list in columns. The manager will oversee the Kanban board and know about the progress, completion of goals, and requests received through feedback.

The agile Methodology Model can proceed with versatile approaches, but that selection only depends on the client's needs.

Significance of Agile Methodology Model,

The best thing about Agile methodology is that all the team members are equally involved in the entire process. They can see how the component workflow is pushing up. Also, we can receive robust and optimum outcomes because of a flexible approach and work culture. Further, it helps to meet customer needs and receive immediate feedback.

The downside of Agile Methodology

As the end goal is uncertain, we are just working on the feedback request, and things are in the loop following the continuous iteration. One should be very efficient while overseeing the sprint completion. At a point, it becomes a headache to conclude the sprint workflow of each team member and shape up all the segments as a final product.

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DevOps Methodology Model

DevOps manages the proper coordination of two teams responsible for managing the significant tasks: coding & deployment. Both teams collaborate independently to rectify the mistakes and deploy the best tools and solutions.

To manage trouble-free software development, teams must communicate the project requirements to reduce the frequent iteration rollouts.

Significance of DevOps Model

This DevOps Model approach speeds up product development effortlessly. It enhances productivity, bonding, and collaboration between the development operation team and product development. DevOps adopts and supports engineering-level principles and approaches.

Apart from the rich and optimum product development, this methodology develops healthy relationships between the teams, achieves customer satisfaction, higher ROI, and faux elimination.

The downside of the DevOps Model

DevOps Model is undoubtedly the best approach in the software development Industry. But, it may be disturbed if both teams wouldn't agree on modern world functionalities and work culture. Both teams have to map their ideology according to DevOps.

Another concern is that when two strong personalities come together, it encounters a clash or distraction. Here, the production team will receive the collective thoughts and select the one to launch the innovative fusion product. Thus the teams have to communicate and proceed wisely.

It's similar to agile but advanced with automation, and AI/ ML integration is in the pipeline. It automates various features, including testing, code review, regular security audit, environment structure, implementation, and more.

Comparison of core and advanced methodology: waterfall/ Agile/ DevOps,

Be it Waterfall or Agile, both are relevant model methodologies for software development, and the evolution of DevOps has not restricted the teams from proceeding with these core concepts.

The main thing is for the product development team to decide:

• Which methodology will drive the optimum results?

• Which one will comply with the client's requirements?

• How much time will it take to get the final product?

The waterfall model is super secure, and every team member has the pressure to complete the project with minimum bugs. Also, one can’t move to the next phase without completing the precedent phase work. When the coding is done, the team learns about the bugs and is referred to the testing team. The occurrence of bugs at this stage will prolong the project. We can’t assure the quality of the product.

On the other hand, Agile allows flexibility and overcoming pressure by quickly rectifying and improving the support of entire team members. It saves a lot of time as all the client needs to satisfy the iterative operation before the testing & final delivery. The team has the chase to rectify the certainties and barriers with better predictability.

Additional Words:

Companies must upgrade their hiring process and work culture to follow this versatile modern methodology of Agile/ DevOps. They must launch and plan DevOps training sessions for all the employees to align the goals. Moreover, they must focus on truthful continuous integration, pipeline management, and other hiccups. Also, they have to revamp the infrastructure & resources & tools for robust & fusion products supporting AI and ML.