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Lesson 05: Network Architecture: Transit Gateway & PrivateLink

Multi-Region Platform Engineering: AWS, Kubernetes, and Aurora at Scale​

Episode 05 of 16 | Duration: 17 minutes

Target Audience: Senior platform engineers, SREs, DevOps engineers (5+ years experience)

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What You'll Learn​

  • VPC peering limitations: N(N-1)/2 peering connections at scale, route table explosion
  • Transit Gateway architecture: Hub-and-spoke model, centralized routing, inter-region peering
  • Transit Gateway costs: $0.05/hour per attachment, $0.02/GB data processing
  • PrivateLink for cross-region: Secure service access without internet exposure
  • Performance considerations: Latency, bandwidth, single points of failure

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