In order to recover from a disaster, there are different factors would support like; how the organization is prepared for the disaster, At what degree the disaster is, and the communication level used among the teams and other individuals.
Communication is essential and playing a major role in disaster recovery attempt, it might lead to success or failure all depends on how accurate and timely is the level of communication used. Organizations use a Notification Directory (ND), which is a directory has a list of important contacts for individuals involved or needed to the disaster recovery. These individuals could be team members who are the team responsible for the disaster recovery and other teams and sub teams. Those could be the management of the organization top level all the way down to governmental departments outside the organization like the fire department. The list also can include vendors and other representatives. Communication between these individuals in an effective, timely and accurate way leads to overcome the disaster and recover it.