提供了NDIS的基本的理解，应用程序如何与驱动程序交互，发挥驱动程序最佳性能。说明了使用例子驱动（PACKET.SYS）监测以太网的应用程序。-Provide a basic understanding of the NDIS, application and how to interact with the driver to play the best performance of driver. Example monitoring Ethernet driver (PACKET.SYS)