This paper deeply study the PAUSE flow control which is used in data link layer and is designed by IEEE, the buffers need and symmetry in gigabit ethemet of PAUSE flow control is analyzed in this paper too.

• 文章深入分析了IEEE标准802.；3x定义的应用于数据链路层的PAUSE流量控制机制；并针对千兆位以太网对PAUSE流量控制机制的缓冲区需求及对称性进行了研究。