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A geographically isolated disaster-tolerant system for Distributed File System (DFS) is essential for its enhancement in data security. However, the plain disaster tolerant model performs poor quality while a switch happens in hot-backup. In this study, we proposed a Direct Data Fetch (DDF) technology for the hybrid model. The DDF can fetch data directly from the data chunk server while the main server...
Along with continuing advancement of network and chip technology, vast amount of new router designs will be designed and utilized in differentiated Internet-connected systems, on-chip interconnection in SoC, and evolving software-defined networks. In this research, from an analysis of current and future router designs, we observe that router designs share a common composition structure. We thus devised...
Broadcast penalty has become an important concern for the emerging many-core architectures. In large-scale Networks-on-Chip (NoC), broadcast taking up a small portion of total traffic will dramatically congest the network. Therefore the NoC architecture of many-core processors must be carefully designed to reduce broadcast penalty. A mainstream solution is to partition the NoC into several regions,...
With the development of integrated circuit technology, the NoC(Network-on-Chip) has become a research hotspot in recent years. In this paper, we analyze the relevant theories of NoC, especially about the NoC router, as it plays a very important role for connecting the network. We design a low latency NoC router based on the wormhole virtual channel switching, and implement it on RTL (Register Transfer...
This paper mainly introduced a congestion management based on Open-flow to solve the problem in the traditional routing strategies. When the congestion happens, the routers cannot fully use the resource of the whole network to reroute the link in congestion in traditional routing strategies. Due to this reason, traditional strategies cannot solve the congestion problem effectively. In network working...
Low power levels of global navigation satellite system (GNSS) signals make them susceptible to radio frequency interference (RFI). Mutual coupling in conventional array within finite size may worsen the interference mitigation performance. In this paper we propose a switch array in which all elements are connected with one switch. Then with the synchronization of switching time and logic, elements...
Computer Network Defense Policy is a kind of policy-based network management method which aims to achieve specific security objectives. Although it brings much efficiency in the field of computer network defense, it can't be widely used because the existing Computer Network Defense Policy models are all proposed on P2DRR architecture and lack specific deployment framework as well as methods. In this...
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