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The Chronopolis project has two sets of software which interact with each other in order to provide bit-level preservation. The first is a set of services which distribute data throughout the Chronopolis Network, which are Intake, Ingest, and Replication. The second is the Audit Control Environment (ACE) which continually audits data in Chronopolis to ensure the integrity of both the checksums and files which we keep track of.
In addition to the software used for distributing data through the network, there are additional services for tertiary tasks:
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Intake
The first distribution service layer which brings external data into Chronopolis. The process of transferring a bag to a filesystem directory where an Ingest service can process it.
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Intake may also include creating a bag from a set of files, but this step can also be performed manually in advance.
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Node
An organization which is part of the Chronopolis Network and stores data for Depositors
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