Name:separation of equipment so as to limit damage from local
events Physical distance and separation are used to prevent
events effecting one piece of information or technology from
also effecting other related ones. Examples include off-site
storage facilities, physically distributed processing
capabilities, and hot sites for operation during natural
disasters and similar events. Physical separation is often
mandated by regulation, especially between classified and
unclassified computers. Complexity: Separation can be quite a
complex issue because emanations can travel over space and can
be detected by a variety of means. Within a secured area, for
example, Sandia is required to maintain appropriate separation
between classified computing equipment and unclassified
equipment, phone lines, etc. The required separations are: 6
inches between classified equipment and unclassified equipment,
6 inches between classified equipment and unclassified cables,
and 2 inches between classified cables and unclassified ca