一、引言电子计算机是影响和推动当今科技和社会发展的核心技术之一。近年来,随着计算机技术的高度发展和广泛应用,为了解决各种大规模的复杂信息处理问题,或为了共享各种软,硬件资源,计算机技术与通讯技术相结合,开发各种耦合程度的分布式多机系统和计算机 I. INTRODUCTION Electronic computers are one of the core technologies that influence and promote today’s science and technology and social development. In recent years, with the highly development and extensive application of computer technology, in order to solve various large-scale complex information processing problems, or to share various software and hardware resources, computer technology and communication technology, the development of various degrees of coupling Distributed multi-machine systems and computers