![]() ![]() Designed to provide 99.999999999% durability and 99.99% availability of objects over a given year.Backed with the Amazon S3 Service Level Agreement.In addition, Amazon S3 calculates checksums on all network traffic to detect corruption of data packets when storing or retrieving data. If corruption is detected, it is repaired using redundant data. Amazon S3 also regularly verifies the integrity of data stored using checksums. Once stored, Amazon S3 maintains the durability of your objects by quickly detecting and repairing any lost redundancy. To help ensure durability, Amazon S3 PUT and COPY operations synchronously store your data across multiple facilities before returning SUCCESS. Objects are redundantly stored on multiple devices across multiple facilities in an Amazon S3 Region. From their site: Data Durability and ReliabilityĪmazon S3 provides a highly durable storage infrastructure designed for mission-critical and primary data storage.
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