DuraCloud | Box | Trusted Cloud Drive | NDS BADSS | Pithos+ | GoogleDrive | DropBox | SpiderOak | |
---|---|---|---|---|---|---|---|---|
Organisation | Internet2 | Internet2 | TERENA | PSNC | GRNET | DropBox | ||
Jurisdiction | USA | USA | EU | Poland | Greece | USA/EU | USA | |
Back-end storage provider | Amazon S3 RackSpace SDSC | Box.net | Amazon S3 Local file system (Jclouds API planned) | PSNC | GRNET | Backupify | Amazon S3 | |
Sync among back-end providers | Yes | n/a | planned | n/a | n/a | Yes | n/a | |
Back-end storage technology | n/a | SAS-70 Type II | n/a | HSM Disks at 10 locations | SAN Local file system other adapters Google Ganeti | n/a Google Ganeti | n/a | |
Storage data format | blob store for any bitstream | file system like | file system like | file system like | block storage | file system like | file system like | |
Single filesize limit | 5 GB | 2 GB | 5 GB | no limit | 10 GB | no limit | ||
User metadata inclusion | tagging | commenting | tagging | annotation | tagging | |||
Service platform location | Amazon EC2 | Box.net | <service provider> | PSNC | GRNET | DropBox | ||
Metadata/Key store location | amazon EC2 | Box.net | <service provider> | PSNC | GRNET | DropBox | ||
Platform code | Open-source | Closed | Open-source | Open-source planned | Open-source | Open-source | Closed | |
Code language | Java | n/a | Scala | C/C++ PHP Ajax (Java GUI planned) | Python | Python Haskell | n/a | |
SSL client connection | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
Data stored encrypted | Yes | No | Yes | on tape media | No | No | No | |
End-to-end encryption | No | No | No | planned | No | No | No | |
Access from web browser | Yes | Yes | Yes | Yes (planned to close) | Yes | Yes | Yes | |
Upload from web browser | Yes | Yes | Yes | No | Yes | Yes | Yes | |
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) | Windows Mac iOS REST API | ||||
Sharing | private, public | private, public, group | planned | inside profile (public planned) | private, public, group | |||
Federated access | InCommon | InCommon | eduGAIN | planned | Shibboleth | |||
Owner of storage back-end account | User | User | <service provider> | User | User | User | DropBox | |
Cost per annum 100 GB | 46.21 EUR | 76.40 EUR | ||||||
Cost per annum 1 TB | 1157.59 EUR | 468 EUR | 462.94 EUR | 770.18 EUR | ||||
Free storage | 5 GB | 5 GB | 2 GB | |||||
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