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For a network, how to allocate limited resources to achieve high network reliability has been concerned by engineers. From the perspective of the users, the quality of applications is the most intuitive perception of network reliability. Previous allocation methods focus little on applications, which makes it difficult to optimize resource with given application requirements. This paper proposes an...
Resource competition, a serious problem in many actual networks, largely influence the network performance and may lead to network congestion. The allocation of link's bandwidth resource is a key process to relieve the situation. Researchers have put forward some strategies to improve the network capacity. They thought that the allocation strategies were determined by the importance of each link which...
Networks with dependency relations have been shown to be more vulnerable under failure than those without. Due to dependency property among nodes, the failure nodes lead to the immediate failure of nodes depending on them. However, in real networks, the recovery mechanisms play an important role in failure propagation in complex networks. For dependency networks, existing recovery mechanisms focused...
As real network systems are becoming ever more complex and widely-used, network failures often bring about devastating effects on our personal and professional lives. Therefore, failure regularity and reliability issues of real-world networks are primary concerns for network science researchers. In many real-world networks, cascading failures are not only caused by dynamical redistribution of network...
Network reliability is very important in our modern society. The primary network reliability research focuses on connectivity reliability. Recently, network performance is receiving more and more attention, and network performance reliability concept is promoted, such as travel time reliability. But it is very hard to evaluate it. One of the reasons is high computational complexity. Although this...
From the aspect of obvious problems on reliability testing, this paper focuses on the method of generating reliability testing cases based on the profile of network. Then, a test case generator is designed and implemented for communication network to solve the problem of how to do the test case automatically. This generator can schedule the application obeying complex probability distributions, run...
Profile is the basis of reliability research. There is a lack of study on the communication network profile and test cases generation methods in current research, which will directly affect the validity of reliability evaluation. This paper first presents a new algorithm for reliability test case generation, based on the content of communication network profile. This algorithm can generate test cases...
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