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0引言21世纪是一个信息技术高速发展的世纪,计算机技术和网络技术彻底改变了人们的生活和生产方式,特别是嵌入式操作系统被广泛应用于各个领域。但是由于计算机系统和网络协议本身存在的问题导致计算机网络的安全性成为限制计算机应用的主要问题,因此必须要采取各种措施提高计算机网络安全性。随着计算机技术的不断发展,嵌入式操作系统在计算机系统中的应用越来越多,成为各种关键设备的主要控制系统。但是由于嵌入式操作系统本身存在的
0 Introduction The 21st century is a century of rapid development of information technology. Computer technology and network technology completely change the way people live and produce. In particular, embedded operating systems are widely used in various fields. However, due to the problems existing in the computer system and the network protocol itself, the security of the computer network becomes the main problem that limits the application of computers. Therefore, various measures must be taken to improve the computer network security. With the continuous development of computer technology, embedded operating systems have been applied more and more in computer systems and become the main control system of various key equipments. However, due to the existence of embedded operating system itself