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Computer networks are complex systems that provide the basic infrastructure for many diverse services. An efficient method for description of computer networks is useful for many appliances, for example network documentation, planning, analyses, management, etc. XML-based languages and XML technologies have been developed for many purposes, including the description of computer networks and data communications...
This paper demonstrates the use of formal methods to design a formal specification framework corresponding to the security model defined for network system and its operating environment. The formal specification language used for developing the framework is Z formal specification notation By using Z notation the level of complexity was controlled to provide a simplified exposition of integrated rules,...
With the increasing complexity and shortening design cycles of embedded systems, system-level design methods are becoming more and more important. System-level design methods can determine whether the initial design alternative is feasible or not by the development of executable model of the system, which allows qualitative and quantitative properties to be analyzed before the system is actually realized...
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