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Tiffany Jane Brand Digital Preservation Presentation: OAIS and LOCKSS

Tiffany Jane Brand Digital Preservation Presentation: OAIS and LOCKSS



MLIS 2010 Presentation LOCKSS/CLOCKSS

MLIS 2010 Presentation LOCKSS/CLOCKSS



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    Tiffany Jane Brand Digital Preservation Presentation: OAIS and LOCKSS Tiffany Jane Brand Digital Preservation Presentation: OAIS and LOCKSS Presentation Transcript

    • Definition-OAIS OAIS- Open Access Information System.“An OAIS is understood to mean any organization or system charged with the task of preserving information over the long term and making it accessible to a specified class of users (known as the Designated Community).”Brian Lavoie, “Meeting the challenges of digital preservation: The OAIS reference model.” OCLC Newsletter, No. 243 (January/February 2000), http://www.oclc.org/research/publications/archive/20 00/lavoie/.
    • How LOCKSS Works LOCKSS- Lots of Copies Keeps Stuff Safe. http://www.youtube.com/watch?v=TOE_Jw23cVgA general overview of how LOCKSS works.LOCKSS is based on the pre-digital framework of preservation. Much like several libraries holding a copy of a print work, OAIS hopes that by making multiple copies of an item- holding copies in more than one digital repository- an OAIS hopes to eliminate the risk of losing data through irreversible digital corruption inherent in having one copy of an item.
    • How LOCKSS Works with OAIS LOCKSS boxes are constructed to hold items that the OAIS wants to preserve and maintain access to. Once LOCKSS software is loaded on to a PC, it turns it into a collection and preservation tool that enables an OAIS to manage its digital records system.See: http://lockss.stanford.edu/lockss/How_It_Works
    • LOCKSS: Pros Open-source, can work with several systems. LOCKSS is free, which makes it appealing to archives and libraries and not only those operating on a tight budget. Information is constantly audited and repaired. Creates several copies-if one copy is damaged, it can be replaced by another copy. This has been utilized especially by organizations who are collaborating with each other on digitization projects.With LOCKSS, libraries can keep content and do not have to pay access fees to third parties.
    • LOCKSS: Con Space is finite; multiple copies means finding adequate storage to house the copies. Organizations often collaborate in order to free up space by relying on another organization to house a copy of the information (much like traditional Interlibrary Loan) and to gain access to information that they do not have. What’s the point if there’s so much overlap/redundancy?
    • Q: I’ve heard of CLOCKSS too, what is that? Stands for Controlled LOCKSS. CLOCKSS is a dark archive; access is limited to a few individuals (OAIS) and may be entirely off limits to the “designated community”. CLOCKSS is often used as a back up for information kept in an digital archive/repository as part of a disaster recovery plan.
    • CLOCKSS Continued CLOCKSS is often utilized in case of a trigger event. CLOCKSS gathers the content and assigns a Creative Commons license to the information to ensure access. The program is frequently used to gather orphan works.
    •  Publisher no longer in business. Trigger events are  Title No Longer Offered categorized by the  Back Issues No Longer Stanford-based program Available. as:  Catastrophic (technical)failure. Publisher cannot access original information.
    • Discussion Question The OAIS must factor in the amount of storage space available when selecting software to manage a digital repository. With limited space and the possibility of overlap with LOCKSS, is LOCKSS an adequate preservation tool?