---
Video Title: Rapid Application Development (RAD)
Description: Rapid Application Development (RAD)
Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm
Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
---

Rapid Application Development RAD Model.

So, that is another software development
paradigm.

So, Rapid Application Development RAD is a
software development methodology that

focusing on building applications in a
very short amount of time.

And that is
why the name of this, this particular

paradigm
is Rapid Application Development Model.

So, it is a high speed adaptation of the
linear sequential model in which rapid

development is achieved by using component
based construction.

So, you might be asking me what is a
component.

So, component can be say application which
is a running application.

A component can be one package,
can be one say ActiveX control,

can be one applet, can be one library,
can be one DLL.

So, these are the components.

So, what will happen?

Multiple teams will be working on
non-overlapping discrete components in parallel.

And they are actually following the
sequential flow through these multiple

different phases as if they are working in
the waterfall model.

But multiple teams will be working on
different components, which will be later

get integrated to give the shape of the
final software.

So, that is
a component based development is taking

place, is to take place in case of RAD
application model.

So, core elements of Rapid Application
Development Model.

So, here we are having this business
modeling, data modeling, process modeling,

and application generation, testing and
turnover.

And we are having multiple different RAD
tools.

So, these are
the set of RAD tools, which we are using

nowadays also
we are using this RAD tools we are using.

So, whenever we can develop a software
depending upon based on multiple different

components, then only this RAD model can
be applied.

So, let us go for the RAD strengths.

So, what mainly gets reduced by using the
RAD model?

This is
if this is a question, the answer is the

reduced cycle time
and improved productivity.

So, it will improve
the productivity because

multiple teams can
work on these components.

And how does customer involvement in the
SDLC cycle help?

The customer is involved throughout the
complete cycle, minimizing the risk of not

achieving customer satisfaction and the
business needs.

So, as customer is having a continuous
participation in this development model.

So, the risk is very low that ultimately
the product which is going to get

developed will be not in accordance with
the customer's recommend, not in

accordance with the customer's expectation
and the business needs.

Now, let us go for the RAD weaknesses.

What is the risk associated with this
model?

We know that risk means cost of failure.

So, RAD requires sufficient human resources
to create the right number of RAD teams.

As multiple teams will be working
simultaneously in parallel, so huge

manpower is required here.

RAD is not appropriate where technical
risk is high.

If we do not, if we are not confirmed
enough that this particular technology,

this particular technique will be the
fruitful one, where we are not having

executed any kind of pilot project
earlier.

In those cases, this RAD is very much
risky.

What is the drawback of customer being
involved in the development cycle?

The answer is developers and customers
must be committed rapid fire activities in

an abbreviated time frame.

In a certain
time frame, in a very short time frame,

this particular
RAD applications are to be developed.

Now, question is that when to use the RAD
model?

The answer is reasonably well known
requirements.

User involved
throughout the life cycle,

there only
this RAD model can be implemented.

Project can be time boxed.

The project has to be executed within a
very stipulated time frame.

And then functionality delivered in
increments.

High performance not required and low
technical risks and system can be

modularized and can be broken down into
multiple non-overlapping components.

So, I think you are getting this idea,
what is a RAD model?

Thanks for watching this video.

TutorialsPoint.com.

Simply easy learning.