[Pasig-discuss] Digital repository storage benchmarking

[David Pcolar]

The Digital Preservation Network (www.dpn.org <http://www.dpn.org/>) is a membership organization dedicated to the long term preservation of scholarly output. We have a cooperative distributed model that significantly reduces the risks surrounding content preservation.

DPN ensures the secure preservation of stored content by leveraging a heterogeneous network that spans diverse geographic, technical, and institutional environments. 
DPN’s preservation process can be expressed in five steps: 
(1) Content is deposited into the system via an Ingest Node; 
(2) Content is replicated to at least two other Replicating Nodes and stored in varied repository infrastructures; 
(3) Content is checked via bit auditing and repair services to ensure the content remains the same over time; 
(4) Destroyed or corrupted content is restored by DPN; 
(5) As service provider Nodes enter and leave DPN, content is redistributed to maintain the continuity of preservation services into the far-future. 

We have providers with Disk, Tape, and Cloud infrastructures, replicating copies across the continental US.  Our base service model is 3 copies with a preservation assurance of 20 years with a single payment. 

Current membership pricing is $20,000/year, which includes 5TB of deposits per year.  Deposits above 5TB are a single payment of $2750/TB for a 20-year term ($137.50/TB/Yr)

Please contact us for more information:

Mary Molinaro
Executive Director, Digital Preservation Network
mary at dpn.org

Dave Pcolar
Technical Officer, Digital Preservation Network
dave at dpn.org


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