Rational Unified Process

Topics: Unified Process, IBM Rational Unified Process, Unified Modeling Language Pages: 5 (1256 words) Published: July 18, 2005

This paper has the intention to explain what Rational Unified Process (RUP) is like an IBM product and a CASE tool. After is explained what phases it has, what are the most common extensions thus what are its workflows more used. The Rational Unified Process (RUP) is a software design method created by the Rational Software Corporation and now is part of IBM developer software. This paper describes how to deploy software effectively. The Rational Unified Process (RUP) use commercially proven techniques, and is a heavy weight process, and hence particularly applicable to larger software development teams working on large projects.

Rational Unified Process (RUP)

Rational Unified Process (RUP) is an object-oriented and Web-enabled program development methodology. RUP would be taken like an online mentor that provides guidelines, templates, and examples for all aspects and stages of program development. RUP is a comprehensive software engineering tool that combine the procedural aspects of development (such as defined stages, techniques, and practices) with other components of development (such as documents, models, manuals, code, and so on) within a unifying framework.

The RUP defines the following guidelines and templates for team members to follow during a product's lifecycle:

Develop Software Iteratively
Given the time, it takes to develop large sophisticated software systems it not possible to define the problem and build the solution in a single step. Requirements will often change throughout a projects development, due to architectural constraints, customer's needs or a greater understanding of the original problem. Iteration allows greater understanding of a project through successive refinements and addresses a projects highest risk items at every stage of its lifecycle. Ideally each iteration ends up with an executable release – this helps reduce a projects risk profile, allows greater customer feedback and help developers stay focused.

Manage Requirements
A documentation framework is essential for any large project; hence, RUP describes how to document functionality, constraints, design decisions and business requirements. Use Cases and Scenarios, are examples of artifacts prescribed by the process and have been found to be very effective at both capturing functional requirements and providing coherent threads throughout the development and deployment of the system.

Use component based architecture
Component Based Architecture creates a system that is easily extensible, promotes software reuse and intuitively understandable. A component often relates to an object in Object Orientated Programming. The RUP provides a systematic way to build this kind of system, focusing on producing an early executable architecture before committing full resources on a project. These components are often assembled within existing infrastructures such as CORBA and COM.

Visually Model Software
Abstracting your programming from its code and representing it using graphical building blocks is an effective way to get an overall picture of a solution. It can also allow less technically competent individuals who may have a better understanding of the problem to have a greater input. Unified Modeling Language (UML) is the industry standard way of representing projects and is hence usually used by the RUP.

Verify Software Quality
Quality Assessment is the most common failing point of all software projects, often an afterthought in such projects and even handled by a different team. The RUP assists in planning quality control and assessment built into the entire process involving all members of a team.

Control Changes to Software
In all software projects change is inevitable, the RUP defines methods to control track and monitor changes. As a seemingly small change can affect applications in entirely unpredictable ways, this is essential for a successful project. The RUP also defines secure...
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