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This paper presents the tolerant, hybrid synchronization schema and its benefits for the parallel and distributed simulation of interconnected computer networks. The hybrid schema combines conservative and optimistic synchronization approaches by using lookahead for scheduling special events and using the flexibility of Time Warp in certain cases. In addition to these classical approaches the introduction of the |tolerance| allows the distributed modules to simulate further ahead than guaranteed by the conservative synchronization schema. This results in significantly smaller simulation runtimes and many other benefits.

The cyber defense context includes various activities that are often investigated and discussed individually. The process from the detection of a threat to its eventual treatment clearly resembles other decision-making paradigms. By aligning the cyber defense process to the well-known OODA loop, in which the activities in one phase of the loop are prerequisites for those in other phases, situational awareness with respect to information assurance can be established

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