There is no one single solution to the challenges of digital preservation. Digital preservation continues to present a complex challenge which is why there are so many different strategies and a number of different applications currently being undertaken by varying organisations around the world to address the digital preservation challenge.
The choice of which strategy to choose or if development of a new strategy is the best option is dependant on the nature of the material to be preserved, the purpose of retention and the organisation. As stated there is no one single solution. Many organisations have chosen to design their own digitial preservation strategy encompassing a number of the strategies because commercial products did not meet their needs,
As an introduction to digital preservation I have developed a list of some of the main digital preservation strategies available currently for addressing digital preservation. Please feel free to add other strategies or comment on any of the strategies posted.
Source: Preservation Digital Wiki