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Amazon S3, An online storage services provides by Amazon Inc with a user friendly interface and easy retrieve and store amount of document data.

As Amazon give your the flexibility for entering your web storage in anywhere of the world through internet access. Plus more, Amazon S3 allow Amazon user using an inexpensive data storage infrastructure that run its own global network of web sites or storage data online. The service aims to maximize benefits of scale and to pass those benefits on to developers.

Technology use on Amazon S3 Storage Services

Using SOAP and REST interfaces, developers can easily store any number of blocks of data in S3. Eack block can be up to 5 GB in length, and is associated with a user-defined key and additional key/value metadata pairs. Further, each block is protected by an ACL (Access Control List) allowing the developer to keep the data private, share it for reading, or share it for reading and writing, as desired.

Cheap Pricing on Storage Space

S3 is a very cost-effective data storage solution. Using economical pay-as-you-go model, storing 1 GB of data for 1 month costs just 15 cents. Transferring data in and out of the system costs 20 cents per GB…”

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 in a bucket and retrieved via a unique, developer-assigned key.
• A bucket can be located in the United States or in Europe. All objects within the bucket will be stored in the bucket’s location, but the objects can be accessed from anywhere.
• 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 protocol interface is provided to lower costs for high-scale distribution. Additional interfaces will be added in the future.
• Reliability backed with the Amazon S3 Service Level Agreement.

For me, the pricing quite interest for me. but for me… i still prefer the box.net online storage services (view this page) because low user usage on their online storage services.

Check out : Amazon S3 Online Storage Space