How to use Amazon S3 Multi-Region Access Points to streamline and reduce the cost of writing across AWS Regions

This article explains how to use Amazon S3 Multi-Region Access Points with VPC Interface Endpoints to efficiently write data across AWS Regions while reducing costs and complexity.

• S3 Multi-Region Access Points enable private, cost-efficient cross-Region data writes to centralized S3 buckets
• Replaces costly NAT Gateway egress pattern with private PrivateLink connectivity
• Salesforce achieved approximately 70% reduction in data movement charges
• Uses com.amazonaws.s3-global.accesspoint VPC endpoints for private network access
• Detailed walkthrough covers VPC setup, security groups, IAM roles, and S3 Multi-Region Access Point configuration
• Eliminates load on centralized egress services while maintaining performance
• All network traffic remains private using AWS PrivateLink

This solution streamlines cross-Region data aggregation for monitoring and observability workloads, significantly reducing costs and operational complexity compared to traditional egress patterns.