Nothing close enough? Start from a blank network diagram → Describe it in one paragraph.
How to use a network diagram template.
- 01List your system components
Identify all internal services, external APIs, databases, and user interfaces that belong to the architecture.
- 02Add nodes to the canvas
Drag and drop each component as a node, then group them into logical layers such as frontend, backend, and infrastructure.
- 03Define connections and data flow
Draw edges between nodes to represent API calls, message queues, or data pipelines, and label them clearly.
- 04Apply styles and grouping
Use colors, icons, and containers to visually separate domains, and hide low-level details when needed.
Questions about network diagram templates
What is a system architecture diagram?
A system architecture diagram is a visual representation of a system's components, their relationships, and how data flows between them. It helps teams understand the structure and behavior of a software system.
How is a system architecture diagram different from a network diagram?
A network diagram focuses on physical or logical network topology, such as routers, switches, and IP addresses. A system architecture diagram is broader, including software components, services, and data interactions, often layered on top of the network infrastructure.
What should be included in a system architecture diagram?
Include core services, databases, external integrations, message brokers, and user interfaces. Group related components into layers or domains, and show the main communication paths with labeled arrows.
Can I start from one of the example system architecture diagrams?
Yes, all examples on this page are editable. Click any diagram to open it in the editor, then customize the nodes, connections, and labels to match your own system.
What are the best practices for system architecture diagrams?
Keep the diagram high-level enough to be readable, use consistent shapes and colors for similar components, label connections with their purpose, and update the diagram as the system evolves.