Sub-accounts allow multiple users to securely share a single Amazon S3 account
Access controls allow for private and shared buckets
Complete encryption for all data
Support for automatic backup on a timed or manual basis
Automatic archival of previous versions and deleted files
Basic Overview:
Establish a Master Account An account manager creates a Master Account at the JungleDisk.com website.
Establish an Amazon S3 Account All storage and bandwidth fees for all users/sub-accounts will be billed under a single Amazon S3 account.
Configure the Master Account with the Amazon S3 Account details The Master Account is then configured with the Amazon S3 account keys.
Create Users, Buckets and Permissions Once the account setup process is complete, the account manager can then begin the process of creating sub-accounts, buckets and the various permissions for both.
Example Basic Implementation with Public and Private Buckets with Custom Permissions