As Forrester reports, two thirds of enterprises recently
Disaster recovery has been a diffilt process historically,
and challenges have only increased as IT infrastructures have
grown more complex and heterogeneous (see Figure 1). When
using physical servers to back up and recover physical servers,
organizations have traditionally chosen between dedicated
and shared infrastructure models. In the dedicated model,
an organization’s IT infrastructure is mirrored at an offsite
disaster recovery center. Since this infrastructure is dedicated
solely to one organization, it is ready to be called upon in the
event of disruption or disaster. The dedicated model provides
the best possible recovery time available via traditional
methods because hardware and software are preconfiured
to the organization’s specifiations. However, this recovery
method is not ideal.