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AWS | S3

S3


  • Simple Storage Services
  • Works as object storage instead of block storage
  • S3 is one of the most popular services provided by AWS for the purpose of storing the data on the cloud.
  • File size can vary from 0 bytes to 5 TB
  • Stored in buckets ( a folder in the cloud )
  • S3 is universal namespace
      URL :- https://s3-{region-name}.amazonaws.com/{bucket-name}

S3 object consists of the following information :
1. Key ( name of the  object )
2. Value ( contains  the data )
3. Version
4. Metadata
5. Subresources
    5.1 Access List

S3 Storage Classes 

1. Standard 
2. IA [ Infrequently Accessed ]
3. One Zone - IA
4. Glacier ( used for data archival only )




AWS Pricing Parameters :
1. Storage
2. Requests
3. Storage Management Pricing
4. Data Transfer Pricing
5. Transfer Acceleration

s3 transfer acceleration?
Enable a fast, secure and reliable way of transferring the data from the s3 to the end users using CloudFront technology.

Cross-Region Replication


S3 - Security & Encryption

 Newly created buckets are private by default
Access Control
     Bucket Policies
     Access Control Lists
Can be configured for access logs

Encryption

In Transit
    SSL/TLS

 Data In Rest
     Server Side Encryption

  1.                 s3 Managed Keys: SSE-S3
  2.                 AWS Key Management Service: SSE-KMS
  3.                 Server-Side Encryption With Customer Provided Keys: SSE-C
     Client-Side Encryption


s3 Transfer Acceleration
Used to accelerate the transfer of the contents to the s3 using the CloudFront technology.
             
URL for static website hosting :

https://{bucket-name}.s3-website-${region_name}.amazonaws.com

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