A software design is a plan or a blueprint for building a software program. It is a high-level representation of the structure, behavior, and functionality of the software that guides the coding process. A software design typically includes a number of different components, such as:
The design should begin with the business case, which is not about business at all, it is about what needs to be done, by whom for whom, and what resources are being used and or modeled. Your last point - functional requirements is first.
There are design patterns that deal with kinds of services that can be modeled, or enlisted, but the best designs (in my opinion) deal with the actual business case from scratch. Study design patterns to get the sense of how things work together.
After you know the needs of the application (functional requirements) you can begin to model the data, and then remodel the data again according to how fast and how much data has to be moved, and what kinds of channels it will move on. Data security is probably a huge issue.
From that point you can begin to design services, but everything has to have a useful and meaningful and accessible user interface, so that consideration is also very fundamental in the design, i.e. how people use the parts of the system that will be exposed for interaction, or transaction, etc.
Then more data remodeling is required to best support the interface resources and the appropriate data facilities, security, and service implementations (which could be robotic actuators, manufacturing, transportation, financial, medical etc.)
But yes Architecture is first and it needs to be authoritative, and ready to support the creativity of developers as well as the clients.
Most often not one program is involved, several environments may be involved and possibly hundreds of scripts that may be embedded in data.
Good luck with your project.
A software design is a high-level description or plan for how a software system should be structured and behave, without specifying the exact implementation details. It typically includes diagrams, flowcharts, and other visual representations, as well as written descriptions of the system's architecture, components, and interactions.
The purpose of a software design is to communicate the intended structure and functionality of a software system to stakeholders, such as developers, testers, project managers, and customers, in a clear and unambiguous way. It serves as a roadmap for the development process, guiding the implementation of the software system and providing a basis for testing and quality assurance.
In essence, a software design is a blueprint or model for a software system, which helps to ensure that the final product meets the intended requirements and specifications.
Dear Sindia Trujillo ,
If a software design is not a program (and it isn’t), then what is it?
It is the interface.
Regards,
Shafagat
Sindia Trujillo
A high-level model or representation of a software system is called a software design. Without the actual implementation code, it captures the software's intended functionality, user interfaces, and overall organisation.
It puts a strong emphasis on the conceptual and logical elements of the software and offers an abstract perspective of how the system ought to function and engage with other parts and users.
Software design includes a variety of components that collectively define the structure and behaviour of the system, including architectural patterns, design patterns, data models, algorithms, and interfaces.
It acts as a communication tool for all parties involved, including clients, project managers, designers, and developers. These parties can see and discuss the system's needs, features, and restrictions thanks to the design documents or diagrams.
add provisions for collaboration, maintenance, corporate policies, legalities, and governance, quite a bit goes into it or should.
Simplifying it a bit, a software design is a conceptual map of the software, showing how the various parts fit together and work together to achieve the desired functionality. It is created before any actual coding takes place and serves as a guide for the development team throughout the development process.
The software design is typically created based on the requirements of the system, which describe what the system should do and how it should behave. The design process involves breaking down those requirements into smaller, more manageable components, and determining how those components will interact with each other to achieve the desired functionality. The result is a design that outlines the overall structure and behavior of the system, without getting into the details of how that behavior is actually implemented.
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