计算机工程 ›› 2011, Vol. 37 ›› Issue (15): 256-258.doi: 10.3969/j.issn.1000-3428.2011.15.083

• 工程应用技术与实现 • 上一篇    下一篇

千兆以太网MAC的流量控制策略

张立明,章建雄,王玉艳   

  1. (华东计算技术研究所,上海 200233)
  • 收稿日期:2011-01-25 出版日期:2011-08-05 发布日期:2011-08-05
  • 作者简介:张立明(1985-),男,硕士研究生,主研方向:计算机 系统结构,数字系统设计;章建雄,研究员;王玉艳,高级工程师

Flow Control Strategy for Gigabit Ethernet Media Access Controller

ZHANG Li-ming, ZHANG Jian-xiong, WANG Yu-yan   

  1. (East China Institute of Computer Technology, Shanghai 200233, China)
  • Received:2011-01-25 Online:2011-08-05 Published:2011-08-05

摘要: 分析千兆以太网介质访问控制器(GEMAC)的流量控制策略,针对原策略PAUSE帧响应延迟时间长、缓存预留空间大的问题,提出一种改进的基于PAUSE帧的流量控制策略,在改进流量控制算法的基础上优化缓存空间。实验结果证明,采用改进的流量控制策略能使缓存预留空间减小42.86%,缓存利用率提高18.75%。

关键词: PAUSE帧, 响应延迟, 流量控制策略, 千兆以太网介质访问控制器

Abstract: This paper analyzes the flow control strategy for Gigabit Ethernet Media Access Controller(GEMAC). For the problems of long PAUSE frame response delay and large buffer preparative space, it adopts an improved flow control strategy based on PAUSE frame. It improves the flow control algorithm and optimizes the buffer space accordingly. Experimental results show that the buffer preparative space is decreased by 42.86% and the rate of buffer utilization is increased by 18.75% by using the improved flow control method.

Key words: PAUSE frame, response delay, flow control strategy, Gigabit Ethernet Media Access Controller(GEMAC)

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