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VPC Peering

  • Connect two VPC, privately using AWS network
  • Make them behave as if they were in the same network
  • Must not have overlapping CIDR (IP address ranges)
  • VPC Peering connection is not transitive (must be established for each VPC that need to communicate with one another)

VPC Endpoints

  • Endpoints allow you to connect to AWS Services using a private network instead of the public www network
  • This gives you enhanced security and lower latency to access AWS Services
  • VPC endpoint gateway: S3 & DynamoDB
  • VPC endpoint interface: the rest
  • only used within your VPC

Site to Site VPN

  • Connect to an on-premises VPN to AWS
  • The connection is automatically encrypted
  • Goes over the public internet

Direct Connect (DX)

  • Establish a physical connection between on-premises and AWS
  • The connection is private, secure and fast
  • Goes over a private network
  • Takes at least a month to establish

Note: Site-to-Site VPN and Direct Connect cannot access VPC endpoints.