Understanding S3

As we have discussed, Amazon EBS is block storage that can be attached to an EC2 instance. Amazon EFS is an elastic filesystem storage that can be shared among EC2 instances. Now, we will examine Amazon’s object storage: S3.

S3 is object-based storage and is a public end point accessible globally via the web and other means. In S3, objects or files are stored in a bucket (folder). S3 is a universal namespace storage, which means the names must be unique globally. While there is unlimited storage for S3 customers, each object or file is limited to 0 TB to 5 TB in size.

Amazon S3 offers a range of object-level storage classes that are designed for different use cases:

• S3 Standard, with 4x9 (99.99%) availability and durability.
• S3 Standard-Infrequent (Standard-IA), with 3x9 (99.9%) availability and 11x9 durability.
• S3 Reduced Redundancy Storage with 3x9 availability and 4x9 durability.
• S3 Intelligent-Tiering, which places the objects...