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Friday, May 11, 2012

Explain Agile Model Driven Development (AMDD) lifecycle?

“AMDD” is the abbreviated form of the “agile model driven development” and nowadays is quite popular among the developers and programmers in the field of software engineering and technology.
AMDD took its birth from the “MDD” or the “model driven development” as its agile version that makes use of the agile models rather than using the extensive models in the pure model driven development. 

The agile model driven development was formulated out of model driven development since it was thought that the iterative development with the model driven development is possible. And since it constituted of the iterations, it was categorized under the category of agile software development methodologies. 

The agile models that drive the whole development procedure are good enough to take care of the development efforts. The agile model driven development is one of the most sought after beyond the small agile software scaling development methodologies.

Agile Model Driven Development Lifecycle

To understand this whole agile model driven development one needs to familiarize himself/ herself with the life cycle of this development model. This article is focused up on the life cycle of the agile model driven development only!

The life cycle of the agile model driven development is of quite a high level. So let us see what all are the various stages in the life cycle of the agile model driven development:

1. Envisioning: 
This stage of the life cycle is comprised of two more sub stages namely: the zeroth and the first iteration. These iterations usually come in to play during the first few weeks of the development process. This stage is actually included in to the life cycle with the purpose of the identification of the scope of the system and what kind of architecture will be suitable for developing the project. For this the following two sub stages come in to process:

(a)  Initial requirements envisioning or modeling: 
This stage may take up to several days for the identification of the high level requirements. Apart from just identifying the requirements the scope of the release product is also determined at this stage only. For carrying out with this stage the developer may require some type of usage model in order to see how the software project will be used by the customers or the users.

(b) Initial architecture modeling: 
This stage is all about setting up of a proper technical direction for the development of your software project.

      2. Iteration Modeling: 
     This stage involves planning for what is to be done with the current iteration. Often the modeling techniques are ignored by the developers while planning objectives for the iteration that is to be carried out next. The requirements in every agile model as we know are implemented in the order of their priority.
      3. Model Storming: 
      As mentioned in the agile manifesto the development team should consist of only a few members who are the ones who discuss the development issues by sketching it up on a white board or paper. The sessions which involve activities such as those are called the model storming sessions. These sessions are short enough to last for at most half an hour.
     4. Test driven development involving the executable specifications: this stage involves the coding phase using the re-factoring and test first design (TFD). The agile development helps you address cross entity issues whereas with the test driven development you can focus up on each and every single entity. Above all the technique of re-factoring the design, it is ensured that the high quality of the software project is not hampered at all.

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