1. A system including instructions recorded on a computer-readable medium and executable by at least one processor, the system comprising: a business process model (BPM) handler configured to cause the at least one processor to determine a business process model including tasks arranged according to a directed graph, at least some of the tasks associated with requirements for executing the tasks; an information technology topology model (ITTM) handler configured to cause the at least one processor to determine an information technology topology model with connected resources used to perform at least some of the tasks; a behavior model generator configured to cause the at least one processor to determine behaviors of the resources from a behavior information library, and to generate a behavior model in which the tasks and their respective requirements are connected to the resources and to their respective behaviors; and a continuity analyzer configured to cause the at least one processor to provide a continuity analysis, based on the behavior model.