| DuraCloud | Box | Trusted Cloud Drive | NDS BADSS | ||
|---|---|---|---|---|---|
| Region/NREN | Internet2 | Internet2 | TERENA | PSNC | |
| Jurisdiction | USA | USA | EU | Poland | |
| Back-end storage | Amazon S3 RackSpace SDSC | SAS-70 Type II | Amazon S3 Local file system | HSM Disks | |
| Sync among back-ends | yes | n/a | planned | Distributed back-ends | |
| Storage data format | blob store for any bitstream | file system like | file system like | file system like | |
| Single filesize limit | 5 GB | 2 GB | 5 GB | no limit | |
| User metadata inclusion | tagging | commenting | tagging | annotation | |
| Service platform location | Amazon EC2 | Box.net | <service provider> | PSNC | |
| Metadata/Key store location | amazon EC2 | Box.net | <service provider> | PSNC | |
| Platform code | Open-source | Closed | Open-source | planned to open-source | |
| Code language | Java | n/a | Scala | C/C++ PHP Ajax (Java GUI planned) | |
| SSL client connection | Yes | Yes | Yes | Yes | |
| Data stored encrypted | Yes | No | Yes | on tape media | |
| End-to-end encryption | No | No | No | planned | |
| Access from web browser | Yes | Yes | Yes | Yes (planned to close) | |
| Upload from web browser | Yes | Yes | Yes | No | |
| Desktop client | Client side sync utility REST API | WebDAV | SFTP GridFTP WebDAV (FileSystem 4 Linux and 4 Windows with on-the-fly encryption and digests planned) | ||
| Sharing | private, public | private, public, group | planned | inside profile (public planned) | |
| Federated access | InCommon | InCommon | eduGAIN | planned | |
| Owner of storage back-end account | User | Box.net | <service provider> | PSNC | |
| 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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