Rup

Rational Unified Process
(RUP)

What is RUP(Rational Unified
Process )
 RUP was originally developed by Rational
Software (now part of IBM International
Business Machines)
 It is a complete lifecycle Software engineering
process
 It is a process product
 It enhances team productivity
 It creates and maintains models
 It is a guide to effectively use the Unified
Modeling Language

What is RUP(Rational Unified
Process )
 Architecture focus
 Easily customized
 Web based implementation
 Its goal is to delivery a high quality product
that the customer actually wants.

Why not use Waterfall instead ?
 The Waterfall method follows a sequential
approach to software development.
 This limits the ability to react to any change or
correct problems in a timely matter.

Water fall limitation.
 Assumptions:
 Requirements never change.
 All information is known upfront.
 The customer will be satisfied with the end
results.
 Technology will not change when it comes time
to integrate.

The Rational Unified Process has four phases:
 Inception - Define the scope of project
 Elaboration - Plan project, specify features, baseline
architecture
 Construction - Build the product
 Transition - Transition the product into end user
community
time
Inception Elaboration Construction Transition
MajorMajor
MilestonesMilestones
Phases in the Process

The Six Disciplines of RUP
 Business Modeling
The goal is to understand the business of the
organization.
 Requirements
The goal is to define Scope: What is and is
not to be built.
 Analysis and Design
The goal is to analyze the requirements and
design the solution.

The Six Disciplines of RUP
(Cont.)
 Implementation
The goal is to execute the code based on the
design.
 Test
The goal is to verify all aspects of the system to
ensure quality.
 Deployment
The goal is plan and deliver a working system to
the customer.

Best Practices of the RUP
 Adapt the process
 Adapt RUP appropriately based on the
development needs.
 Balance competing stakeholders
 Take an evolutionary approach by keeping
stakeholders as active participants.
 Collaborating Across Teams
 Keep an open communication process
 Demonstrate Value Iteratively
 Deliver working software early and regularly

Best Practices of the RUP
(Cont.)
 Elevate the level of Abstraction
 Adapt modeling tools, reuse existing code, and
focus on architecture
 Focus continuously on Quality
 This is done by testing at every major part of the
project.

Advantages of RUP Software
Development
 This is a complete methodology in itself
with an emphasis on accurate
documentation
 It is proactively able to resolve the project
risks associated with the client's evolving
requirements requiring careful change
request management
 Less time is required for integration as
the process of integration goes on
throughout the software development
life cycle.
 The development time required is less
due to reuse of components.
 There is online training and tutorial
available for this process.

Disadvantages of RUP Software
Development
 The team members need to be expert in
their field to develop a software under
this methodology.
 The development process is too complex
and disorganized.
 The reuse of components will not be possible. Hence
the time saving one could have made will
be impossible to fulfill.
 long time required for development

Rup

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Rup