Update doc/source/glossary.rst
This is the storage that is built on the :term:`S3 <Amazon S3>` API.
Server-side encryption
- Server-side encryption is the encryption of data on the remote storage. The data is encrypted when it is written to S3 bucket and decrypted when you access the data.
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+ Server-side encryption is the encryption of data by the remote storage server as it receives it. The data is encrypted when it is written to S3 bucket and decrypted when you access the data.
