Source: Notion — Transit Gateway + Firewall

Path: AWS Cloud → Network Firewall → Transit Gateway + Firewall

Purpose: Hub-and-spoke networking with centralized traffic inspection (egress + east-west).

Table of contents

1. Original references (from Notion)
2. Transit Gateway routing (from Notion)
3. Operational checklist (from Network Firewall parent)
4. Architecture mental model
5. Deployment patterns
6. TGW routing deep dive
7. Network Firewall essentials
8. Hub-and-spoke egress (related concept)
9. Troubleshooting playbook
10. Additional reference links

Original references (from Notion)

Original links preserved from your Notion page. All diagrams below use public AWS-hosted URLs (AWS blogs + AWS documentation) so they render without authentication.

Centralized traffic filtering

Deploy centralized traffic filtering using AWS Network Firewall | Amazon Web Services