AWS Data Transfer Costs Between Regions and AZs
Intra-AZ private IP traffic is free, but public IPs in the same zone cost $0.01/GB per direction.
Nadia Prasad
Storage Letter — Page 2
Ingress vs Egress Costs in S3 Data Pipeline Design
Egress costs, not storage, dominate cloud data pipeline bills once workloads scale.
Farah Bianchi
S3 Bucket Access Points for Large Shared Datasets
Replace unwieldy bucket policies with scoped access points, one per team or application.
Nadia Prasad
Lustre vs S3 for High-Throughput Workloads
Lustre handles the I/O patterns that make S3 a bottleneck for training and checkpointing at scale.
Owen Marroquin
S3 Lifecycle Policy Configuration
Misconfigurations silently break transitions or delete data you need—here's how to get them right.
Yuki Nystrom
S3 Bucket URL Formats and Path vs Virtual-Hosted Style
Yuki Nystrom
S3 Bucket Terraform Configuration Patterns
Yuki Nystrom
What Is Amazon S3 and How Does It Work
Yuki Nystrom
Block vs Object Storage for New Cloud Workloads
Yuki Nystrom
S3 Object Lock and WORM Compliance
Object Lock in governance mode leaves a compliance gap that audit will catch.
Yuki Nystrom
S3 Event Notifications and Triggers
Turn S3 from passive storage into an active trigger that fires events the moment files arrive.
Yuki Nystrom
Caching Layers in Front of S3
Caching layers between compute and S3 slash both latency and egress costs for AI workloads.
Nadia Prasad