single-purpose local-area network

Given the information of local connectivity of single nodes, the random graph model is an effective means to analyze geometry of network in macroscopic way.

连通分析模型在考察各类预置方案的连通性能方面具有重要的理论意义。给定微观个体节点的本地连通度，随机图模型是分析宏观网络的几何性质的有力工具。

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HA system ensures that local IN system has no single-point failure in multi-host environment and resumes working in a short time in case of the occurrence of single-point failure ( e.g. power loss, network failure, etc.).

HA系统确保本地应用系统在多机环境下具有抗御任何单点故障的能力，一旦系统发生局部的意外（如掉电、网络故障等），HA系统可以迅速确保系统的应用继续运行。

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