Cloud Architecture

Cross-Cloud Backup: AWS S3 to Google Cloud

Cloud Architecture diagram · made in Skemio

Architecture diagram illustrating scheduled cross-cloud data transfer from an AWS S3 bucket to a Google Cloud Storage archive bucket using OIDC federation.
Architecture diagram illustrating scheduled cross-cloud data transfer from an AWS S3 bucket to a Google Cloud Storage archive bucket using OIDC federation.
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What it shows

  • Google Cloud Storage Transfer Service directly reads from AWS S3 buckets.
  • Zero long-lived credentials using IAM OpenID Connect federation.
  • Lifecycle policies transition secondary cross-cloud copies to cold archival.

The takeaway

A scheduled cross-cloud replication pattern protects against regional outages, account locks, and vendor lock-in.

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