| DuraCloud | Box | Trusted Cloud Drive | |
|---|---|---|---|
| Region/NREN | Internet2 | Internet2 | TERENA |
| Jurisdiction | USA | USA | EU |
| Back-end storage | Amazon S3 RackSpace SDSC | SAS-70 Type II | Amazon S3 Local file system |
| Sync among back-ends | yes | n/a | planned |
| Storage data format | blob store for any bitstream | file system like | file system like |
| Single filesize limit | 5 GB | 2 GB | 5 GB |
| User metadata inclusion | tagging | commenting | tagging |
| Service platform location | Amazon EC2 | Box.net | <service provider> |
| Platform code | Open-source | Closed | Open-source |
| Code language | Java | n/a | Scala |
| SSL client connection | Yes | Yes | Yes |
| Data stored encrypted | Yes | No | Yes |
| End-to-end encryption | No | No | No |
| Access from web browser | Yes | Yes | Yes |
| Upload from web browser | Yes | Yes | Yes |
| Desktop client | Client side sync utility REST API | WebDAV | |
| Sharing | private, public | private, public, group | planned |
| Federated access | InCommon | InCommon | eduGAIN |
| Owner of storage back-end account | User | Box.net | <service provider> |
| Cost per annum 100 GB | |||
| Cost per annum 1 TB | 1157.59 EUR | 468 EUR | |
| Free storage | 5 GB | ||
| Comments | trial period until March 2013 |
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