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DRIVER Guidelines could make some recommendations on the implementation for repository managers. This is based on the Report on Persistent Identifiers of the PILIN project.
An implementation plan has been provided below.
It should be made clear how this fits in with oai_dc exchngge exchange of metadata

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In the era of paper the International Standard Book Number (ISBN), a unique, numerical commercial book identifier, was developed. Each edition and variation (except reprinting) of a book is given an ISBN. In the digital age, there is a growing need for such a unique, numerical, identifier for digital publications as well. Moreover, not just for publications, but for all kinds of digital objects.

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In several countries, a system for such a persistent identifier has been developed and 'national resolvers' have been set up. A resolver is a transformation and redirection service, transforms a string of characters to an URL, and is hosted by a national organisation. Common identifiers in the case of scholarly communication are DOI, Handle and URN:NBN. In case of DOI and Handle the resolution mechanism is located in the US at CNRI CNRI: http://www.cnri. reston.va.us/. In case of URN:NBN resolution mechanisms are hosted by a national organisation, often this is done by the National Library.

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The differences between Persistent Identifiers are described by Hans-Werner Hilse and Jochen Kothe in Implementing Persistent Identifiers [Hilse, H., Kothe, J., Implementing Persistent Identifiers, KNAW, http://www.knaw.nl/ecpa/publ/pdf/2732.pdf . ]. There is also an article Persistent Identifiers: Considering the Options Tonkin, E., Persistent Identifers: Considering the Options, Ariadne, issue 56, http://www.ariadne.ac.uk/issue56/tonkin/ in Ariadne, issue 56 by Emma Tonkin [Tonkin].

Using Persistent Identifiers involves an obligation for the repositories to sustain persistence of the Identifier over a long period of time! This persistence can be guaranteed in so called "trusted repositories" with the appropriate certification. See chapter Annex : Use of Quality Labels on page.
for more information see http://www.persistent-identifier.de
and https://www.pilin.net.au/^{Image Removed}

The Scandinavian countries, Germany, the Czech Republic and the Netherlands are using URN:NBN. The main reason for choosing urns is because it is an internet standard that is future proof. The only drawback now is that a urn is not actionable without using an http resolution address as a prefix. Further work is still needed to be done to integrate URN in the DNS system DNS-URN integration
http://www.persistent-identifier.de/english/335-project-proposal.php#URNscope by using NAPTR records NAPTR Record: http://en.wikipedia.org/wiki/NAPTR_record that is also used for VOIP phone calls.

Recently Norway, Sweden, Finland, and the Netherlands have come to a promising proposal for a Global Resolver of Persistent Identifiers (URN:NBN). In cooperation with representatives of the Hopkins and Berkeley Universities (US) a working proof of concept Global Resolution Proof of Concept: http://www.surfgroepen/sites/surfshare/public/software/pihandler of a global resolver (GRRS) has been developed. This GRRS integrates four different national resolvers into one global resolver. The GSRS (n2t.info) receives the Identifier from a browser plug-in and redirects the browser to the appropriate national resolver where the browser again is redirected to the current location of the web resource. The architecture of this multi-system process is depicted below.

Implementation plan on using URN_NBN Persistent Identifiers

References

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