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🌐 6.Amazon S3 - Coggle Diagram
🌐 6.Amazon S3
💾 Storage Classes
- Standard – High durability, frequently accessed
- Standard-IA (Infrequent Access) – Lower cost, less frequent access
- One Zone-IA – Single AZ, lower durability
- Glacier (Archive) – Long-term storage, varying retrieval speeds
- Instant Retrieval – Millisecond retrieval
- Flexible Retrieval – 1 min - 12 hours
- Deep Archive – Cheapest, 12-48 hours retrieval
- Intelligent-Tiering – Auto-moves data to optimize cost
- Monitors usage, moves to IA or Glacier tiers
🔐 Security & Access
- User-Based Security: IAM Policies (API permissions)
- Bucket Policies – Grant/Deny access (JSON format)
- ACLs – Object/Bucket level (less common)
- Encryption: Protects data at rest/in transit
- Block Public Access: Prevent unintended data leaks
🔹 Core Concepts
- Infinitely Scalable Storage – Backbone for AWS services/websites
- Region-Specific – Buckets created per region, not global
- Globally Unique Names – Across all regions/accounts
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📂 Buckets & Objects
- Buckets (Directories) – Hold objects, must follow strict naming rules
- 3-63 characters, lowercase, no IP-like names
- Objects (Files) – Key = full path (e.g., s3://bucket/file.txt)
- Max Size: 5TB (5GB+ requires multipart upload)
- Metadata, Tags, Versioning – Tracks object properties and versions
🌐 S3 Website Hosting
- Static Websites – Host static files, accessible via web URL
- 403 Errors: Ensure public read access via bucket policies
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