Preservica is a complete OAIS Digital Preservation system available on the cloud (hosted in US, EU or AUS) and on premise (Standard and Enterprise versions). It is trusted by over 50 organisations across 4 continents to preserve collections both large (>6Pb) and small (few 100kb)
Key features include:
Ingest : local tool to create SIPs and attach metadata and transfer to server; range of workflows to upload container files : ZIP files, DSpace, ContentDM or SharePoint exports, Outlook or Lotus Notes email files, or by taking a copy of a website; full QA of content plus running DROID and property extraction
Data Management : Edit metadata using whatever descriptive schema you want e.g. Dublin Core, METS, EAD, etc; sync with catalogs e.g. CALM or via OAI-PMH; delete content using approval workflow.
Administration : Create users, set roles, set access rules to content at fine grain; maintain transfer agreements; produce reports; sync with ActiveDirectory (on premise only)
Access : Browse, search and download files and records using powerful interface. Separate public access interface for content with appropriate permissions.
Storage : Large range of storage adapters including NAS / File Server, HSM, Centera, Atmos, S3, Glacier, SFTP; will manage multiple storage locations and copy to remote locations asynchronously; maintains metadata and index information; can set interval to check fixity
Active Preservation : 300 migration pathways installed; performs bulk migrations using background workflows then verifies using comparison of properties.
Versions: Cloud version available hosted in either EC or US; Standard and Enterprise versions for install in your own data centre; Enterprise version allows development of complete solutions including your own workflows for all functions and a vast range of hosting options.
Case studies can be found here http://preservica.com/resources/case-studies/
Main release annually, around 4 minor releases per year
Latest 5.2 release information : http://preservica.com/press-releases/new-version-5-2/