Workbook on Digital Private Papers > Digital preservation strategies > Selecting the right preservation strategy

Selecting the right preservation strategy

There are various theories on the best way to preserve digital material, and a number of different approaches have been developed, which in turn have variants. They range from preserving the original technology on which the archival digital objects ran, to preserving only the significant properties of an object, which are defined independently of any specific hardware or software platform. Each approach has advantages and disadvantages.

Thibodeau suggests that a digital archive should take the following four criteria into consideration when selecting a preservation strategy:

In particular he emphasises appropriateness and applicability as important factors in deciding on an approach:

The two principal competing strategies are migration and emulation. These two approaches and some of their variants are considered here.