Extending Digital Repository Architectures to Support Disk Image Preservation and Access
Abstract
Disk images (bitstreams extracted from physical media) can play
an essential role in the acquisition and management of digital
collections by serving as containers that support data integrity and
chain of custody, while ensuring continued access to the
underlying bits without depending on physical carriers. Widely
used today by practitioners of digital forensics, disk images can
serve as baselines for comparison for digital preservation
activities, as they provide fail-safe mechanisms when curatorial
actions make unexpected changes to data; enable access to
potentially valuable data that resides below the file system level;
and provide options for future analysis. We discuss established
digital forensics techniques for acquiring, preserving and
annotating disk images, provide examples from both research and
educational collections, and describe specific forensic tools and
techniques, including an object-oriented data packaging
framework called the Advanced Forensic Format (AFF) and the
Digital Forensics XML (DFXML) metadata representation.
Description
JCDL 2011, June 13-17, 2011, Ottawa, Canada.
Refereed Conference Paper
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.Collections
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