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managing electronic records in governmental bodies - National ...

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49<br />

Advantages<br />

• as an <strong>in</strong>terim measure, it could provide repositories<br />

with an option of retriev<strong>in</strong>g obsolete document for some<br />

years <strong>in</strong>to the future<br />

Migration Strategy<br />

7. Save the software needed for access and retrieval:<br />

[This strategy is closely related to 3].<br />

8. Develop software emulators:<br />

An alternative to preserv<strong>in</strong>g software is the development of<br />

new programmes that can 'emulate’ (i.e. replicate) the<br />

functionality of obsolete software. If this strategy is used, it is<br />

critical to have access to documentation of the orig<strong>in</strong>al<br />

software system that expla<strong>in</strong>s the precise software<br />

requirements needed to open and retrieve a document and<br />

these must be written <strong>in</strong> a software-<strong>in</strong>dependent form.<br />

• does not require access to the same hardware and/or<br />

software used orig<strong>in</strong>ally for the <strong>in</strong>itial application<br />

Disadvantages<br />

• the technical complexity of preserv<strong>in</strong>g<br />

software; most software is written to work only<br />

with specific hardware. As a result, sav<strong>in</strong>g<br />

software also implies sav<strong>in</strong>g the hardware<br />

needed to run it.<br />

• special programs have to be written to emulate<br />

the obsolete software<br />

• can be an expensive and complicated undertak<strong>in</strong>g;<br />

<strong>bodies</strong> consider<strong>in</strong>g this approach will<br />

need access to highly competent software<br />

designers and programmers<br />

• not fully tested<br />

• copyright issues have not been resolved<br />

Manag<strong>in</strong>g <strong>electronic</strong> <strong>records</strong>_Policy Guidel<strong>in</strong>es.doc<br />

First Edition<br />

Version 1.1<br />

April 2003

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