I. Introduction
The development of new economy challenges the training of traditional engineering talents. Combining with the training needs of new engineering talents, it has become the main reform direction of engineering courses to promote industry-university cooperation and improve students' engineering practice ability and innovation ability [1]. Computer network is a compulsory course for computer related majors in colleges and universities, which is a very important basic principle course. The main content of this course is to learn the concepts, principles and methods of computer network based on the hierarchical model of computer network architecture [2]- [3].