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Managing DNS resolution with Amazon VPC Lattice and VPC resources

Networking & Content Delivery Blog

This article discusses new connectivity and DNS resolution capabilities for Amazon VPC Lattice and VPC resources, highlighting several key developments announced at re:Invent 2024:

  • VPC resources can now be accessed through AWS PrivateLink
  • Amazon VPC Lattice supports TCP access to VPC resources
  • Endpoints for VPC Lattice service networks are now available

Key DNS resolution insights include:

  • Each VPC resource and service gets a unique, globally resolvable domain name
  • IP addresses for resources come from specific ranges (129.224.0.x/17 for IPv4)
  • Multiple connectivity methods exist, including service network VPC associations and interface endpoints

Recommendations include using VPC Lattice service network associations as the primary access method, considering service network endpoints for complex use cases, and automating DNS configuration at scale.

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