Resource Access Manager (RAM)

• Share AWS resources with other AWS accounts to avoid resource duplication
• Each participating account manage their own resources
• Participating accounts can’t view, modify, delete resources that belong to other participants or the owner

VPC Sharing

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• Allows to share one or more subnets with other accounts within the same organization
• Allows multiple accounts to create resources into shared and centrally-managed VPCs
• Cannot share the whole VPC
• Network is shared (high degree of interconnectivity)
  • every resource deployed in the subnet can talk to each other using private IP
  • security groups from other accounts can be referenced
  • Diagram
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