What is System Design Document?
A System Design Document (SDD) is a detailed blueprint that outlines the architecture, components, and specifications of a system. It provides a comprehensive understanding of how the system will be built and how its various elements will interact with each other. The SDD serves as a reference for all stakeholders involved in the development process.
What are the types of System Design Document?
There are generally two types of System Design Documents: high-level design documents and low-level design documents.
High-level design documents focus on the overall system architecture and provide an overview of the system's functionalities, modules, and interfaces. They describe the system's structure and organization, helping stakeholders understand the system conceptually.
Low-level design documents, on the other hand, delve into the technical details of the system. They specify the design of individual components, such as modules, classes, and databases. These documents are essential for developers as they guide the actual implementation of the system.
How to complete System Design Document
Completing a System Design Document requires careful planning and attention to detail. Here are the steps to follow:
01
Begin by gathering requirements and fully understanding the scope of the system.
02
Identify the main components and functionalities of the system.
03
Create a high-level design document to outline the system's overall architecture.
04
Break down the system into modules and document the design details of each module.
05
Define the interfaces and interactions between the modules.
06
Specify the data structures, algorithms, and database design.
07
Validate the design against the requirements and make any necessary adjustments.
08
Review the document with all stakeholders and incorporate their feedback.
09
Ensure the document is comprehensive, clear, and easily understandable for future reference.
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