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As an example SDR will serialize content in the /data directory in tar format, however, this may not be feasible for some repositories as the size of the serialized bag may be too large. We may want to consider the method of bag grouping, i.e. a bag directory that holds many serialized bags, all with the same profile and a sequence number associated with component bag. DPN will not support holey bags, i.e. not use fetch.txt.
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DPN Bag Structure
| No Format |
|---|
<DPN-Object-ID>/
| bagit.txt
| manifest-sha256.txt
| bag-info.txt
| tagmanifest-sha256.txt
\--- data/
| [payload files]
\--- dpn-tags/
| dpn-info.txt
\--- [optional node tag directories]/
| [optional node tag files] |
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