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Document {
Chapter Functional {
Section Context {
What is this all about ?
How does this fit in the existing environment ?
You may include *rough and simple* block diagram describing the system and how
it interfaces with all the other system.
}
Section System purpose {
What does the system do ?
}
Section Key Functions {
What are the key functions of the system ?
}
Section Related Business Processes {
Does the software implement a given business process ? How does it
integrates with other business processes.
}
Section Actor and Roles {
Who are they and how the system caters their need ?
}
Section Significant Scenarios {
What are the use and functions which are significant for the architecture
?
Those should be described as scenarios in the form of "Given
[CONTEXT], then
}
}
Chapter Non-functional {
Section { }
}
Chapter Architecture {
Section Constraints {
If you have constraints, how do they affect the architecture?
Constraints might be related to Time, budget, resource, approved
technology lists, standards, skill profile of the development team.
}
Section Principles {
What principles do you want to adopt ?
Example principles include; architectural layering, use of frameworks
and libraries, common design patterns and templates for
building components and common approaches (e.g. error handling,
logging, etc)
}
Section Logical {
This section purpose is to describe your software big picture.
Typically, you should document here major components,
interfaces or models.
}
Section Key Internal Interfaces {
Synchronous or asynchronous, who has the ownership of the interfaces?
}
Section Key External Interfaces {
Synchronous or asynchronous, who has the ownership of the interfaces?
Is the interface always available or do you (e.g.) need to cache data
locally?
}
Section Evolutions and Versioning {
How often does the interface change and how is versioning handled?
}
}
Chapter Design Guidelines {
}
Chapter Operational {
}
Chapter Architecture Justification {
}
}