Amazon S3: Storage Service

Amazon S3 is storage for the Internet. It is designed to make web-scale computing easier for developers.

Amazon S3 provides a simple web services interface that can be used to store and retrieve any amount of data, at any time, from anywhere on the web. ...

Amazon S3 Functionality

Amazon S3 is intentionally built with a minimal feature set.

• Write, read, and delete objects containing from 1 byte to 5 gigabytes of data each. The number of objects you can store is unlimited.
• Each object is stored and retrieved via a unique, developer-assigned key.
• Authentication mechanisms are provided to ensure that data is kept secure from unauthorized access. Objects can be made private or public, and rights can be granted to specific users.
• Uses standards-based REST and SOAP interfaces designed to work with any Internet-development toolkit.
• Built to be flexible so that protocol or functional layers can easily be added.  Default download protocol is HTTP.  A BitTorrent (TM) protocol interface is provided to lower costs for high-scale distribution.  Additional interfaces will be added in the future.

Pricing

• Pay only for what you use. There is no minimum fee, and no start-up cost.
• $0.15 per GB-Month of storage used.
• $0.20 per GB of data transferred.

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