关于协议分析的一些好的资料。随着计算机和通信技术的飞速发展，网络管理技术已成为重要的前言技术。 目前还没有对网络管理的精确定义。例如，对公用交换网，网络管理通常指实时网络监控，以便在不利的条件下（如过载、故障）使网络的性能仍能达到最佳。-On the protocol analysis of some good information. With computers and the rapid development of communication technologies, network management technology has become an important Preface technology. It is not a precise definition of network management. For example, public switched networks, network management usually refers to real-time network monitoring in order to under adverse conditions (such as overload, failure) so that network performance can still achieve the best.