Why Developers Are Being Forced to Look at the RAD Model
May 23rd, 2018 • RAD
Development models have come and gone, but few have persisted as long as the RAD model has. It has entered in some form into every major and minor software player in the market.
But why is it so popular? What makes it so much better than traditional development models? On the outside, the rapid prototyping and frequent need for communication seem to be more of a drawback than an advantage. So, why has it continued to thrive where so many have failed and died?
What Exactly is the Rapid Application Development (RAD) Model?
The Rapid Application Development Model is a software development model which emphasizes speed and feedback over long development and testing cycles. In this model, prototypes are rapidly churned out and delivered to the client for feedback on future prototypes, where new functions are added.
The RAD model falls into the category of Agile development techniques, which are iterative and incremental methods of software development focused on speed and quick development, more than the long and detailed process that the waterfall model is usually known for.
Steps in the Rapid Application Development Model
Typically, there are four Rapid Application Development phases:
- Plan Requirements
- User Design
- Rapid Construction
During this phase, developers and end users get together and find out what the requirements are. This includes project scope, time allocated, and basic functionalities required. It’s not a comprehensive stage since it’s understood that the functionalities will change and evolve as time passes.
This is where feedback is gathered from the users. While doing so, architecture and design for the product are kept in mind to understand what’s possible and what’s not.
In addition, this feedback from users allows for initial prototypes to be produced quickly. This prototyping step is done as many times as required to finalize all the features and functionalities of the product.
After the prototypes in the previous step are confirmed, the features and functions are finalized, and the construction of the final product begins. The construction of the final product is a lot faster than traditional methods since the modules for the decided features were already made in the prototypes. Code reusability is a major factor to consider when following the Rapid Application Development model, since speed and efficiency do matter.
This is where the product moves from the building environment to the live environment—from the construction phase to the testing phase. Here, the functions and user interface are tested thoroughly to ensure they all work together without bugs and glitches.
Another part of this step is the training that’s given to end users to ensure that they understand how to use the product, and where they can find what they need.
How KiSSFLOW Uses the RAD Model
With KiSSFLOW, you can create your own custom apps for your business processes and workflows. All you need is the logic of how your process works, and you can get started on building your app.
There’s very little, if any, coding required here.
But how does KiSSFLOW use a rapid application development model to develop their apps?
The rapid application development model emphasizes rapid prototyping, and KiSSFLOW does the same. Developing your app quickly, through several iterations, to figure out the functionality that you want from it, and making adjustments with each iteration, is where KiSSFLOW uses the rapid application development model.
For example, if you’re looking into developing an app on KiSSFLOW for some use case, say to manage your finance department, you’ll have a basic idea of what your finance department needs. Using rapid prototyping, you can make several models and get feedback from the finance team on what they’re looking for.
Once you have a prototype that has all the features that they’re looking for, you can develop the final app, and launch it.
This is one of the advantages of using RAD platform. The rapid application development phases are designed to encourage numerous changes to the design and development so that there’s more action than guesswork and deliberation.
Advantages of Rapid Application Development
The RAD model emphasizes changes more than other models. This, and other characteristics give it a number of advantages.
Adaptable to Changes
Rapid application development model focuses heavily on ensuring it can change to requirements at the drop of a hat. This gives it a great deal of flexibility when compared to other software development models, like the waterfall model.
Lower Chance of Errors
Because RAD framework focuses so much on making as many prototypes as required, this ensures that each and every function and feature is built completely, giving them the required attention. This allows for the product to have fewer defects and bugs, due to an emphasis on reusing code and using code generators.
Higher Productivity with a Small Team
Rapid application development is optimized for a small team with effective communication. If you’ve got that, then adapting rapid application development methodology helps increase overall team productivity, since there’s frequent communication into what each person is doing to bring the project to completion.
KiSSFLOW employs a lot of RAD design philosophies, such as quick prototyping, receiving constant feedback into how an app works, and easy maintenance. This provides you with a platform to create apps quickly. Moreover, since you can test it out before you release it into your office environment, you have an idea of whether it actually works as intended or not. If it doesn’t, you can go back to the design stage and figure out what went wrong, all without risking office productivity.
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