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The placement of flow measurement stations is very important for real-time monitoring of water distribution networks. In this paper the heuristic genetic algorithm was applied to get the optimal layout of flow measurement stations based on the monitoring scope method. Its specific implementation for the problem was designed, including problem representation, heuristic correction, fitness function...
Remote desktop access is commonly used to remotely access a host in enterprise networks; however it also brings in security problems in supervision and auditing. In this paper, a novel proxy-based security audit system is designed and implemented in order to ensure security supervising and auditing remote desktop access. Our system effectively monitors all the accessing sessions of RDP, VNC, and X-window,...
Power quality (PQ) has become a major concern to both electric utilities and customers in recent years and more functions for power quality monitoring system (PQMS) is required. This paper presents a distributed power quality monitoring system that is based on ARM9 and SOPC. ARM9 with the embedded operating system Linux deals with data display and storage. SOPC designed as terminals do data sampling...
The behavior of network entities, such as flows, sessions, hosts, and users, can often be described by communication event sequences in the time domain. For the purpose of many network measurement and monitoring tasks, it is desirable to have an accurate yet information-compact profiling of the behavior of massive event sequences. This paper proposes a new method to achieve this goal. On a given set...
Real-time IP flow estimation has many potential applications in network management, monitoring, security, and traffic engineering. Existing techniques typically rely on flow definitions being constrained as subsets of the fields in packet headers. This makes flow-membership tests relatively inexpensive. In this paper, we consider a more general flow estimation problem that needs complex packet-payload...
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