Visions of corporate software architecture and application development seem to always involve large teams working in dedicated groups of specialists _ designers, developers, testers, quality assurance professionals, and business analysts _ who all work in isolation from each other. Although the actual development process can be extremely fast and productive, it is also often the case that a large measure of the overall cost of development is spent on interactions among a smaller number of people. The use_case diagram (VFD) allows for such interactions by providing a single, integrated image of the project at a micro_level _ showing how the different members of the team interact, where they are located in the team, what their roles and responsibilities are, how the different levels of the project contribute to the final results, and where any feedback or problems occur.
The use of a use_case diagram enables everyone on the team to see, in one place, the relationships between various pieces of the larger project. A VFD typically consists of a layer _ typically a small table, with cells representing individual concepts, functions, and modules. The cells represent user stories (or scenarios) which, if you choose the right technology and storyboard, will be written, checked, reviewed, and acted upon during the duration of the software development life_cycle.
It is imperative to begin using a VFD around the start of the software development project as a way to organize the project and ensure that all layers of the project are well_defined. If you use the template VFD for your corporate software architecture, you can do this easily and rapidly. Each layer in a VFD can be easily viewed, and cells can be dragged and dropped to re_arrange content within the cells. You can also drag and drop subcomponents into cells to create reusable components.
However, a VFD is not without its limitations. Because it is simply a layer atop an existing application, a VFD cannot contain any information which is proprietary. If you use a VFD for your corporate software architecture, you will need to obtain your company's specific licensing agreement in order to make it compatible with the underlying software. Also, because a VFD is designed to provide a basic model of the system, the end user, i.e., the customer, will not see or use any of the proprietary information which would be available to them if they were to use a traditional model of software applications. With a VFD, customers only see the application's data model.
There are many advantages to the use of a VFD. First, it simplifies the model of the system. In addition to simplifying the model, a VFD allows you to test the application quickly and efficiently by "copying" an application's instance of the VFD and putting it into place on their own network. With the use of a VFD, testers can focus on their tasks without worrying about whether a particular scenario is performing poorly or whether a feature they want to add is available.
A VFD can also help simplify the design of the system. By creating a VFD, you will be able to easily visualize the network topology and how various services interconnect to form the network infrastructure. For example, if you are developing a social networking site, the site's core data may reside on a "client" machine, while services such as messaging and profile access may reside on a "service" machine. By creating a network diagram using a VFD, a QA analyst can quickly determine which machines host which services. This allows quick identification and elimination of problematic services which, if left unchecked, could contribute to system failure.
In addition to helping QA professionals with their jobs, a VFD template can also help IT departments with their design process. The use case diagram can provide a visual picture of the system's key components so that IT staff can determine how different components should relate to each other. When an IT department takes a look at the system, they can more easily visualize the requirements which will need to be implemented in order to make the business work.
VFD templates are a valuable tool for both developers and designers. They can help simplify network diagrams and allow IT staff to quickly visualize how systems will function together. A well_designed VFD can help improve the productivity of a team and reduce the time it takes to implement solutions into the company network. Taking advantage of a template VFD is a good way to improve your organization's efficiency.