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In the monitoring system,the existing resource of Ethernet is used to remotely monitor power network parameters. A practical design of embedded Web server for power network monitoring is introduced, which applies high speed MCU (SX52BD) to conveniently link to Ethernet. Adopting Ethernet interface control mode, the remote network monitoring of power network is realized under Windows.
We improve Kleinberg's hierarchical small world network model to implement a peer-to-peer overlay network. In the overlay, all the nodes are treated as leaves which are uniformly distributed in a complete 2-ary tree, and the distance between nodes is defined as the height of their lowest common ancestor in the tree. Every node in the overlay is linked to at least one d-distance node if the d-distance...
The characteristics of Wireless Sensor Network (WSN) determine that the traditional security authentication mechanism can not meet its security requirements. Starting from the analysis on existing WSN security authentication solution scheme and combing with the widely used hierarchy distributed WSN architecture, the paper referred to the idea of security authentication of PKI with digital certificate...
The wireless mesh network is a novel wireless network architecture that supports clients to communicate with different types of networks, Internet etc. It consists of mesh routers and mesh clients. These mesh routers are minimal mobile and mesh clients are totally mobile which operate on batteries. Hence, power consumption becomes an important issue in mesh clients. The protocols of Ad hoc networks...
Next Generation Wireless Networks (NGWNs) will be the convergence of fixed and mobile networking technologies, e.g., Ethernet, Wireless LAN, 2G/3G/4G, etc. This united ubiquitous network will consist of billions of mobile devices, each with multiple networking interfaces. These interfaces may belong to a set of diverse link layer technologies. Internet Protocol (IP) shall potentially be used as the...
The system has achieved a set of security-based real-time digital video monitoring system, which is composed by front-end monitoring cameras, server host and client host, has a certain intelligence and high reliability, can provide remote access capabilities and can be developed to upgrade, and its video data management is easy. The system achieved digitization in the whole process from collection,...
Although the theory of distributed firewall was proposed shortly, but because of its advantages relative to traditional firewall, business user oriented characteristics, it could meet customer demand for higher security. This paper proposed a firewall program suitable for network security in accordance with small and medium enterprise network security situation, systematically analyzed the distributed...
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