Abstract: This paper discusses progress of Ethernet, Way of media access and implementation technology on physical level, this paper makes prospects in kilomegabit Etherent on basis of analysis on advantage and disadvantage.

• 文摘:对以太网的发展、介质访问方法及物理层的各种实现技术作了较详细的论述，并对千兆以太网在分析优缺点的基础上进行了展望。