Mastering™ Network Security, Second Edition

11.2. Network Disasters

As a result of the terrorist attacks on the World Trade Center (WTC) on September 11, 2001, companies are refocusing their attention on the wide variety of areas in which their organization may be vulnerable rather than focusing purely on server redundancy. In addition to server and service failure, it is important to plan and prepare for network disasters, which have the ability to shut down communications throughout an entire organization.

Consider the many companies in Manhattan that, though not physically affected by the attacks, found themselves without phone or Internet access for an extended period because their service providers held central offices at the WTC. Although they lost neither data nor power, they found ...