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AWS: Creating AWS Network Diagrams: Tools and Best Practices

A clear network and communication flow diagram helps you visualize AWS infrastructure, document architecture, and communicate effectively with teams. Here’s a guide to building these diagrams efficiently, and the best tools and services for the job.

1. Define Your Requirements

  • Purpose: Are you documenting an existing environment, planning a new one, or troubleshooting?
  • Detail Level: High-level architecture (VPCs, subnets, gateways) versus detailed (traffic flow, security groups, service interactions).
  • Collaboration: Do you need to share and edit diagrams with others?

2. Choose the Right Tool

A. Automated and Live Mapping Solutions

  • AWS Workload Discovery: Automatically generates AWS architecture diagrams directly from your AWS environment. Great for real-time updates and documentation without manual drawing.
  • Hava: Auto-discovers and maps AWS environments into network diagrams, showing resources and relationships with no manual drag-and-drop. Good for always-accurate, visual auto-documentation.
  • Cloudviz.io: Creates comprehensive AWS network diagrams from your AWS account, including connectivity and relationships between VPCs, subnets, gateways, and more. Useful for up-to-date diagrams when things change frequently.
  • Cloudcraft: Snap together AWS architecture blocks, import live architectures, and visualize cost. Especially well-suited for presentation and estimation.

B. Manual and Template-Based Tools

  • Draw.io (diagrams.net): Free, intuitive, and features full AWS icon libraries. Suitable for all diagram complexities and collaboration.
  • Miro: Offers AWS diagram templates, standardized icons, and real-time collaborative editing. Great for teams and visually rich flows.
  • Figma: Template-based, with official AWS icons, supporting collaborative editing and version control for architecture diagrams.
  • Lucidchart & Lucidscale: Widely used for cloud diagrams, with AWS shape packs and real-time collaboration. Lucidscale adds automated cloud environment import and mapping.
  • Visual Paradigm, Creately, Cacoo: Online diagramming solutions with AWS icon support and easy export options.

C. AWS Built-In and Specialized Services

  • AWS Perspective: Visualizes and organizes AWS Cloud workloads for discovery, planning, and optimization.
  • AWS Architecture Icons: Official icons for diagrams; use them in any design tool for clarity and AWS-compliant visuals.
  • AWS Reference Architectures: Access reusable diagrams produced by AWS professionals for common patterns and best practices.

3. Tips for Effective Diagrams

  • Start with VPCs, subnets, and gateways as your backbone.
  • Map key services (EC2, RDS, Lambda, S3, etc.) and clearly indicate connectivity (arrows for network flow, labels for protocols/ports).
  • Use standardized AWS icons for recognizability and clarity.
  • Group resources logically (e.g., by Availability Zone, environment, or module).
  • Annotate security group boundaries, NAT/internet gateways, and direct communication links to make traffic flow and restrictions clear.
  • For dynamic environments, consider auto-generation tools to avoid stale diagrams.

4. Table: Top AWS Network Diagram Tools

Tool/ServiceKey FeaturesSuitable For
AWS Workload DiscoveryAuto-generates architecture diagramsOperations, quick documentation
Hava, Cloudviz.io, CloudcraftLive mapping, clickable, always up-to-dateOngoing/cloud-native environments
Draw.io, Miro, FigmaDrag-drop, templates, AWS icon setsCustom/manual diagrams, collaboration
Lucidchart/LucidscaleTemplates, live import (Lucidscale)Enterprises, real-time architecture

5. Recommended Approach

For most users:

  • Use automated tools (Hava, AWS Workload Discovery, Cloudcraft) to quickly map cloud environments and keep diagrams current.
  • For design, brainstorming, or presentations, use Draw.io, Miro, or Figma for richer annotation and visual customization.

Best practice:
Start with automated diagram generation for accuracy, export to your preferred manual editor for customization, annotations, and sharing.

6. Next Steps

  1. Decide whether you want live, auto-updating diagrams or static manual ones.
  2. Try out AWS-native solutions (Workload Discovery, Perspective) for immediate results.
  3. For deep customization and team collaboration, explore Draw.io, Miro, or Figma.

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