Choosing a design that doesn’t support ongoing iteration drives those costs even higher and outdated architecture may mean you’ll need to rebuild your solution on a new system architecture.
A variety of methods allow you to evaluate your system architecture. However, all of them require identification and analysis of the requirements of the system, both functional and non-functional. As IEEE states, the requirements on particular software are typically a complex combination of requirements from different people at different levels of an organization and from the environment in which the software will operate.
Read our blog on needs assessment here.
Your design should meet the system requirements. System architecture is the high-level structure and organization of the system components, their interactions, and their relationships. You need to consider the system requirements as well as the architectural principles, patterns, and styles that suit the system context and goals.
Define the system's components and interfaces with low coupling and high cohesion, ensuring minimal dependencies and clear responsibilities. Specify the system's behavior and interaction, describing how it responds to events and exchanges data with external entities. Use appropriate models and diagrams to represent these aspects, such as state machines, sequence diagrams, and flowcharts.
The architecture design process involves recording the choices and reasons behind the creation and development of a software architecture, which is crucial for understanding and following decisions, ensuring the quality and durability of the architecture.
Why do you need this documentation, on top of everything?
Because unlike perceiving a single requirement, in order to see inconsistency or incompleteness, it is necessary to visualize the system like it is operating in its intended environment. So an architecture design document should enable you to:
Identifying dominant complexities and consequences.
Prioritizing and identifying necessary architecture approaches.
Identifying inconsistencies and incompleteness in requirements.
Further Considerations for Clients
Evaluate how each proposed architecture handles scalability and flexibility. Determine if the architecture can easily accommodate future growth, changes in requirements, and new technologies.
Look for a decoupled architecture that allows each component to perform its tasks independently of the others and promotes flexibility.
Assess the cost and time estimates provided in each proposal. Compare the proposed budgets, timelines, and resource allocations. Ensure that the chosen architecture offers the best value for your investment and aligns with your budget constraints.
Consider consulting with software architects or industry experts who can provide impartial advice and guidance. They can help you evaluate the technical aspects of each proposal and make informed decisions.
Check out our consultancy services here.
In summary, the selection of the right system architecture for a software solution is crucial for its long-term success. Rushing through this process can lead to costly mistakes. Thoroughly assess system requirements, consider architectural principles, patterns, and styles, and document the design process. This ensures quality, durability, and future-proofing of the software architecture.
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