随着个人电脑、各种手持无线移动设备的日益普及,加上随着社会经济、政治和文化事业发展所带来的大量信息交互需求的推动,网络的应用已经深入到现实生活中的每一个角落。这个现代化系统急剧膨胀的活力却最终导致了问题的发生,人们已经越来越难以对这个巨大的分布式系统行为 With the ever-increasing popularity of personal computers and various hand-held wireless mobile devices, coupled with the massive demand for information interaction resulting from the development of socio-economic, political and cultural undertakings, the application of the Internet has gone deep into every aspect of real life corner. The vitality of the rapid expansion of this modern system has finally led to problems, and it has become increasingly difficult for this hugely distributed system of behavior