Friday, July 3, 2026

What is AWS Interface Endpoint (AWS PrivateLink)

This works differently.


AWS creates an Elastic Network Interface (ENI) inside your subnet.


           Private Subnet


 Lambda


    │


 ENI (Private IP)


    │


AWS PrivateLink


    │


Amazon Bedrock


From Lambda's perspective, it is communicating with a private IP address inside the VPC.


Behind the scenes, AWS routes the traffic to the managed service.


Characteristics

Creates one or more ENIs

Gets private IP addresses

Uses security groups

Supports thousands of AWS and partner services

Has hourly and data processing charges




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