从美国的国家创新战略到韩国的“I T839”战略,物联网逐渐成为当前世界新一轮经济和科技发展的战略制高点。然而就在物联网发展呈现出一派欣欣向荣的繁荣景象的背后。201 1年7月23日,一个由传感器、通信网络、决策系统和控制系统组成的高铁信号控制系统在D3115次动车行至温州境内时,发生故障,导致D301与该列车发生重大追尾事故。血的代价让我们清醒地认识 From the U.S. national innovation strategy to Korea’s “I T839 ” strategy, the Internet of Things has gradually become the strategic height of the new round of economic and technological development in the present world. However, in the development of the Internet of things has shown a thriving prosperous prosperity behind. On July 23, 2011, a high-speed railway signal control system consisting of sensors, communication networks, decision-making systems and control systems failed when D3115 moving motorcycles to Wenzhou, causing a major rear-end accident to D301 and the train. The price of blood let us clearly understand