Rational Software Modeler

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Rational Software Modeler
RSA Design Model.jpg
Rational Software Modeler with Design Model Diagram
Developer(s) Rational Software
Initial release October 13, 2004; 10 years ago (2004-10-13)[1]
Written in ?
Operating system Microsoft Windows, Linux
Available in ?
Type Integrated development environment
License IBM EULA
Website www.ibm.com/software/awdtools/modeler/swmodeler/

Rational Software Modeler was withdrawn from marketing on August 17, 2010. (See Product home page on external links)

Rational Software Modeler (RSM), made by IBM's Rational Software division, is a Unified Modeling Language (UML) 2.0-based visual modeling and design tool.[1] Rational Software Modeler is built on the Eclipse open-source software framework[1] and is used for visual modeling and model-driven development (MDD) with UML for creating applications and web services.


Rational Software Modeler version 7 includes the following capabilities:

  1. Supports UML version 2.1
  2. Supports model-to-model transformations
  3. Enables model management for parallel development and architectural re-factoring, e.g., split, combine, compare and merge models and model fragments
  4. Supports application of design patterns

It has integrations with other Rational tools, such as ClearCase configuration management and ClearQuest exception handling (defect reports and change requests).

Rational Software Modeler (RSM), is engineered as a plugin that sits on top of the open-source Eclipse development platform. RSM can be installed either on top of an existing Eclipse v3.2 installation, or as a new Eclipse v3.2 instance.

As RSM is Eclipse-based, it can use third-party plugins for Eclipse, and plugins specifically for Rational tools.


Rational Software has a long history in application modeling, beginning in the early 1990s with the work of Grady Booch, James Rumbaugh and Ivar Jacobson. They combined competing modeling approaches to form what eventually became the Unified Modeling Language.

Rational Software's first visual modeling and development tool was Rational Rose, a stand-alone modeling tool that integrates the application programming interface (API) level with third-party Integrated Development Environments (IDEs) to support a variety of programming languages and other implementation technologies.

While Rational Rose was an important step in bringing Model-driven development (MDD) closer to practicing software developers, it was found that only a small fraction of developers used modeling on a routine basis. A key problem was identified - developers didn’t like to leave their IDE. They wanted visual modeling to be integrated — not with their IDE, but rather inside their IDE.

Rational responded to this need in 2002 with IBM Rational XDE software, providing a development environment for the programming technologies emerging at the time: Java and Microsoft .NET. IBM Rational XDE was characterized as the next generation of IBM Rational Rose — not a new version of it (hence the name change), and not necessarily a replacement for Rose (since IBM Rational XDE was purposefully restricted to support only a select number of IDEs and implementation technologies). However, with each addition of a tool or capability came another point-to-point integration requirement. As more and more capabilities were added, Rational began to reach the practical limits of this style of tool integration.

For the next-generation MDD products, model-driven development functions were built on top of Eclipse to form a more complete MDD tool. IBM Rational Software Architect, IBM Rational Software Modeler and IBM Rational Systems Developer are the result of these changes; changing the silos that previously defined modeling, development and code analysis into a more integrated design.

IBM Rational Software Modeler Versions[edit]

  • v6.0: Released December 2004. Based on Eclipse v3.0, UML v2.0
  • v7.0: Released December 2006. Based on Eclipse v3.2, UML v2.1
  • v7.0.0.1: Released January 2007. Includes bug fixes.
  • v7.5: Released September 2008

List of Eclipse-based IBM Analysis, Design and Construction products[edit]

See also[edit]


  1. ^ a b c Scannell, Ed (13 October 2004). "IBM launches Atlantic". InfoWorld. Retrieved 23 February 2011. 

External links[edit]