| DuraCloud | Box | Trusted Cloud Drive | NDS BADSS | Pithos+ | GoogleDrive | DropBox | SpiderOak | PowerFolder | Skydrive | SugarSync | OwnCloud | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Organisation | Internet2 | Internet2 | TERENA | PSNC | GRNET | DropBox | SpiderOak | PowerFolder | ||||
| Jurisdiction | USA | USA | EU | Poland | Greece | USA / EU | USA / EU | USA | Germany | |||
| Back-end storage provider | Amazon S3 RackSpace SDSC | Box.net | Amazon S3 Local file system (Jclouds API planned) | PSNC | GRNET | Backupify | Amazon S3 | SpiderOak | PowerFolder | |||
| Sync among back-end providers | Yes | n/a | planned | n/a | n/a | Yes | n/a | n/a | 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 | n/a | 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 | blob store for any bitstream | ||||
| Single filesize limit | 5 GB | 2 GB | 5 GB | no limit | 10 GB | no limit | no limit | no limit | ||||
| User metadata inclusion | tagging | commenting | tagging | annotation | tagging | |||||||
| Service platform location | Amazon EC2 | Box.net | <service provider> | PSNC | GRNET | DropBox | SpiderOak | PowerFolder | ||||
| Metadata/Key store location | amazon EC2 | Box.net | <service provider> | PSNC | GRNET | DropBox | User | PowerFolder | ||||
| Platform code | Open-source | Closed | Open-source | Open-source planned | Open-source | Open-source | Closed | Closed | Closed | |||
| Code language | Java | n/a | Scala | C/C++ PHP Ajax (Java GUI planned) | Python | Python Haskell | n/a | n/a | n/a | |||
| SSL client connection | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |||
| Data stored encrypted | Yes | No | Yes | on tape media | No | No | No | Yes | ||||
| End-to-end encryption | No | No | No | planned | No | No | No | Yes | No | |||
| Access from web browser | Yes | Yes | Yes | Yes (planned to close) | Yes | Yes | Yes | Yes | Yes | |||
| Upload from web browser | Yes | Yes | Yes | No | Yes | Yes | Yes | No | 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 | WebDAV | |||||||
| Sharing | private, public | private, public, group | planned | inside profile (public planned) | private, public, group | planned | private, public, group | |||||
| Federated access | InCommon | InCommon | eduGAIN | planned | Shibboleth | planned | ||||||
| Owner of storage back-end account | User | User | <service provider> | User | User | User | DropBox | User | ||||
| Cost per annum 100 GB | 46.21 EUR | 76.40 EUR | 92.61 EUR | |||||||||
| Cost per annum 1 TB | 1157.59 EUR | 468 EUR | 462.94 EUR | 770.18 EUR | 926.07 EUR | |||||||
| Default free storage | 5 GB | 5 GB | 2 GB | 2 GB | 2 GB | |||||||
| Comments |
|
|
Overview
Content Tools
Tasks