AWS Classroom Series – 25/Nov/2019

Simple Storage Service(S3)

  • Blob (Binary Large object) Storage
  • Unlimited Storage.
  • Each file/blob size cannot be grater than 5 TB
  • S3 is organized into
    • Buckets
  • Each Bucket has files (objects) and folders
  • All the objects inside buckets can be accessed over https
  • In S3 Buckets you can give permissions only to AWS (IAM) users or to everyone.
  • All the objects are exposed over https, helps in achieving following use cases
    • Dropbox/Google Drive
    • Amazon Prime Video/Music/Netflix
    • Downloads in Websites

Cost of S3

  • S3 cost includes
    • Size of Storage
    • Accessing the Storage
  • Depending on your use case AWS gives different Storage Classes
    • Standard Storage:
      • Paying more for storage
      • Less for Accessing
      • Redundancy levels will be high
    • Reduced Redundancy:
      • Redundancy Levels will be less
    • Infrequent Access:
      • Paying more for Accessing
      • Paying Less for Storage
    • Glacier:
      • Archival kind of storage.
      • Storage cost will be much less
      • Zero Access cost (bcoz you cannot access the data directly from glacier)
    • Intelligent Tiers:
      • Amazon will automatically choose storage class depending on usage.
  • Default Storage class is standard

Content Delivery Networks

  • CDNs have
    • Origin Servers
    • Points Of Presence Servers.
  • Refer Here for AWS Point of Presence Servers
  • Data will be stored in S3 Buckets.
  • For CDN
    • S3
    • Cloudfront (CDN)
    • Media Services.

Static Web Sites

  • Any website which is developed in html, javascript and css (Static Websites) can be directly hosted on s3 buckets.

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