UML® is well accepted in the market and widely used. Nevertheless most SW Projects still fall short of expectations. According to the latest Chaos Report, in 2002 only 23% of SW development projects were finished successfully. Therefore it is time for the next generation of modeling tools and high time for Ameos.

Ameos combines UML 2.0 Profile support, MDA® based Model Transformation and the usage of color in a unique fashion. This ensures a higher level of abstraction in the models and target-independent modeling.

UML Support
By implementing the current UML® standard Ameos can be used to describe business processes, to design architectures for SW systems and to model dynamic aspects in State Machines with hard timing constraints. The Model management of the UML is an integrated part of Ameos and allows distributed working, private workspaces and the configuration of new versions. The Ameos Multi-User Repository ensures an appropriate scaling even in large projects.

UML 2.0 Profile Support
Profiles are an easy way to extend standard UML notation and to adapt it to project-specific needs. UML 2.0 describes Profiles and defines how to model them in UML notation. The Ameos Profile Editor allows stereotypes and tagged values to be defined and assigned to model elements of the UML Metamodel, ensuring that profiles are well designed, documented and easy to use for the entire project team.

Color to visualize Semantics
Within Ameos, color can be assigned to UML Profiles and to Model Elements. Wherever such a Model Element is referenced, it shows up in the assigned color. This usage of color on a semantic level, lead to UML models which are far easier to read.

Architecture (MDA) Development
ACDTM is a powerful Transformation Engine, based on OMG's Model Driven Architecture®. (MDA). The idea behind it is to separate the technical aspects from the domain aspects in the UML. model and generate code from WYSIWYG templates. The main MDA benefits as stated by the OMG are:

Why is transformation of UML Models necessary?
Today many systems are described graphically using the UML which provides several diagram types as well as many graphical and textual elements to capture and model the requirements of a system. While this enables a greater understanding of the user and system requirements, only a small amount of these model elements are typically realized in the implemented system as source code. This leads to models which are constructed to achieve maximum code generation, rather than accurately representing the business or user requirements in a maintainable way. Instead of having a Business Model, this will result in an Implementation Model, which is difficult to read and difficult to maintain. Any change of the target technology or middleware will break the model. The separation of the technical and domain aspects of modeling improves the clarity and reuse opportunities for both these aspects of the design.

Model Driven Architecture
OMG's Model Driven Architecture, a more sophisticated way of using the UML, provides a solution to this kind of problem. Using MDA, the business is modeled in Platform Independent Models (PIM) which are transformed into Platform Specific Models (PSM). This is carried out in a manner analogous to the use of a compiler to transform C++ or Java source code into an executable program. MDA is not a revolution, but evolution using the next level of abstraction.

As a member of the OMG, Aonix has promoted the idea of transforming UML models to the target environment using Ameos/ACD for the past several years. As a result we have a lot of experience with this approach and many satisfied customers in various industries.

Ameos is available for Linux, Solaris (SPARC), and Windows (2000, XP).

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