1.亚马逊S3：
Amazon S3 代表 Amazon Simple Storage Service。它是由 Amazon Web Services 提供的云存储服务。它通过 Web 服务接口提供对象存储。它允许存储任何类型的对象，例如用于分析、数据归档、备份和恢复、灾难恢复、混合云存储和互联网应用程序的数据湖。它由 AWS 于 2006 年推出。
2.泽塔：
Zetta 是由 Zetta Incorporation 提供的文件同步服务和基于云的备份存储服务。它由Jeff Whitehead 、 Lou Montulli和Jason Harrison 开发。它主要用于中小型企业和企业。它不提供免费软件版本。它主要用于存储专业数据而不是个人数据。它于2008年推出。
Amazon S3 和 Zetta 的区别：
| AMAZON S3 | ZETTA |
|---|---|
| It is owned by Amazon. | It is owned by Zetta Incorporation. |
| It was launched in 2006. | It was launched in 2008. |
| It does not offer free storage space. | It does not offer freeware service. |
| It was developed by Amazon Web Services (AWS). | It was developed by Jeff Whitehead, Lou Montulli and Jason Harrison. |
| It is a file hosting service. | It is a file synchronization service. |
| It provides cloud storage service. | It provides cloud based backup service. |
| It is used by individuals, small and larger enterprises. | It is used by small and medium sized enterprises. |
| It does not provide LAN synchronization. | It provides LAN synchronization. |
| It provides storage service for personal data. | It does not provide service for personal data and is used for professional work only. |
| It supports file versioning. | It does not support file versioning. |