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Nowadays, the problem of Internet services accessibility has become a hot topic with more and more cyber attacks and censorship. This has prompted the rapid development of jamming-resistance infrastructure consisting of multiple dynamic access points such as proxies, anonymous communication nodes and covert communication nodes. However, the channel between user and access point has become an emerging...
Tor is a worldwide publicly deployed low-latency anonymity system. In order to prevent observers from telling where the data came from and where it's going, data packets on the Tor network take a pathway through several intermediate relays. However, nodes selection to build such a pathway is oblivious to Internet routing, so anonymity guarantees can break down in cases where an attacker can correlate...
with the worldwide increasing of Internet censorship, censorship-resistance technology has attracted more and more attentions, some famous systems, such as Tor and JAP, have been deployed to provide public service for censorship-resistance. However, these systems all rely on dedicated infrastructure and entry points for service accessibility. The network infrastructure and entry points may become...
Present higher education face one of challenges how to cultivate computer professional graduates with a satisfactory practical capability. Based on college-enterprise cooperation, our teaching of graduation practice is performed in enterprises or training institutions so as that students can master application knowledge. An e-learning practice platform can facilitate distant students to learn and...
Network coordinate (NC) systems provide a lightweight and scalable way for predicting the distances, i.e., round-trip latencies among Internet hosts. Most existing NC systems embed hosts into a low dimensional Euclidean space. Unfortunately, the persistent occurrence of Triangle Inequality Violation (TIV) on the Internet largely limits the distance prediction accuracy of those NC systems. Some alternative...
There exists workflow represented by business flow and network flow represented by products flow and vehicle flow in Logistics Enterprise, and there are also obvious interaction and impacts between the two flows. At present, the researches on logistics information platform mostly separate them, and thus affect the working efficiency of the system. This thesis proposes the idea of integrating workflow...
Fast-flux based service network is first introduced as a technique used to improve the reliability and quality of a service system. But recently, this technique is also adopted by cyber-criminals and Internet miscreants to evade identification and to frustrate law enforcement and anticrime efforts aimed at locating and shutting down the illegal service. Previous work on this topic focuses mostly on...
In recent years, network coordinate systems which map nodes into a geometrical space can effectively support overlay applications relying on topology-awareness. However, these systems base on an ideal assumption that the nodes in them are honest to cooperate with each other. Although there have been some studies about attacks on network coordinate systems, the effect of attacks on PIC---one of the...
Finite element method is an important tool in science and engineering computing. In this paper, an environment of finite element analysis (FEA) of electromagnetic fields based on World Wide Web (WWW) is developed. This WWW-based system can be utilized in distance education of numerical analysis. The Web services technology is utilized in the development of this system. Several examples reveal the...
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