1.list all the natural disasters to the best of your knowledge. 2.What are the possible causes for some of the disasters? 3.How to surve in an earthquake/big fire?   Geological disasters地质灾害 Avalanches and landside雪崩和山体滑坡 Earthquake Volcanic eruption…

DISASTER的定义和影响(本文中) 定义范围: 自然灾害,比如洪水.地震等造成一定范围类的节点故障: 恶意攻击,DDOS攻击或者电磁脉冲攻击造成节点故障: 技术相关的问题,配置错误或者误操作等: 影响: 断电: 硬件问题: 某个节点宕机后导致的级联问题: 级联故障:在一个网络中,由于其中网络节点宕机,导致数据分流到其他节点进而导致其他节点负载加大,甚至出现故障. SDN相关的故障: DOS导致的节点瘫痪,包括控制平面的节点: 恶意应用: Control-Switch的通讯不可靠(由于灾害等原…

The Star Arthur C. Clarke It is three thousand light-years to the Vatican. Once, I believed that space could have no power over faith, just as I believed that the heavens declared the glory of God's handiwork. Now I have seen that handiwork, and my f…

摘自:http://www.comptechdoc.org/os/linux/usersguide/linux_ugfilestruct.html 这个目录结构介绍是我目前看到介绍最全的,有时间在翻译. Linux Directory Structure Note: Files are grouped according to purpose. Ex: commands, data files, documentation. Parts of a Unix directory tree. See…

伴随着数据量的日益增长,通过自服务式的商业智能把数据转换成辅助决策支持的工具,越来越成为迫切的需求.在以前,处理这些数据往往只是IT人员范围内的事,但是通过Power BI for Office 365里面的新功能喝服务,微软降低了这个门槛.它里面都是基于大多数人已经非常熟悉的工具,包括Excel和Sharepoint. 这个系列来自于微软的Power BI Getting Started Guide,原文地址: http://office.microsoft.com/en-us/office3…

<![if !IE]> <div class="ui message red"> <i class="close icon"></i> <div class="header"> Internet Explorer Notice </div> <p>IE10+ turns on Compatibility View by default, which use the…

by Henry Robinson, April 26, 2010 The 'CAP' theorem is a hot topic in the design of distributed data storage systems. However, it's often widely misused. In this post I hope to highlight why the common 'consistency, availability and partition toleran…

Oracle Standby Database 实现方案  From: http://wanow.blog.hexun.com/4672755_d.html 字号:大 中 小 版本:V20060328.01.01 Standby Database的工作原理 1. Oracle 与 High Availability, Disaster Recovery 及 Data Duplicate 相关功能的产品概述 Oracle 的 High Availability 功能,Oracle 是从下面几个方面…

Part I-An introduction to transactions If you look at any introductory article or book on J2EE, you'll find only a small portion of the material devoted to the Java Transaction Service (JTS) or the Java Transaction API (JTA). This is not because JTS…

Computational Methods in Bayesian Analysis Computational Methods in Bayesian Analysis  [Markov chain Monte Carlo][Gibbs Sampling][The Metropolis-Hastings Algorithm][Random-walk Metropolis-Hastings][Adaptive Metropolis]   About the author This noteboo…