As a rule, they require access relatively rarely, but, if necessary must be accessed quickly. The S3 IA storage is recommended for long storage of files, disaster recovery data, backup, outdated sync data.

The minimum storage period is 30 days, and the minimum size of the object is 128 KB.

Availability at 99.9% level within a year (e.g., the probability of request error is a little higher than in standard storage).

Amazon S3 IA differs from S3 Standard in the following way: Low delays combined with high capacity and reliability 99,999999999% insure the safety of the object for a long period of time. S3 Standard storage is suitable for the following usage scenarios:įurther reading Amazon Cloud Storage: S3 or Cloud Drive? Amazon S3 Standard Infrequent AccessĪmazon S3 IA is designed for the data which requires less frequent access, but with longer storage time than in the case of S3 Standard.

The use of the storage is covered by the Amazon S3 Service Level Agreement, which considers compensation if the level of uninterrupted operation is lower than it was declared.

Availability at 99,99% level (of 10 thousand hours, within one hour the data will be unavailable).

Reliability at 99,999999999% level (of 100 billion objects per year, you are at risk of losing only one of them).

Amazon S3 StandardĪmazon S3 Standard is designed for high-usage, “hot” data storage and has the following features: everything about backing up to Amazon S3 with MSP360, and more. This article will outline where and which class is recommended for use, and what the difference between Amazon S3 storage classes is.

All Amazon S3 classes have a high level of reliability and support SSL data encryption during transmission, but differ by their cost. This allows reducing the storage costs for data which is rarely used, and doesn’t require instant access.

For different usage scenarios, Amazon Web Services offers different S3 storage classes.

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