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Dynamic pause time calculation method in MAC layer flow control

机译:MAC层流量控制中的动态停顿时间计算方法

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摘要

Temporary traffic congestion causes packet losses. If the losses due to the temporary congestion can be avoided, the utilization of network resource will be improved. Also, the network applications and techniques using the control packets increase with the development of the broadband Internet. Therefore, it is important to restrain the increased congestion due to the control packets overhead. IEEE 802.3x flow control defines a pause frame and can designate pause time in it. When the frame is sent to the devices sending packets, it is possible to stop sending them in the given pause time. Thus it can avoid packet losses caused by buffer overflows due to the temporary traffic congestion. This paper focuses on this flow control and proposes the dynamic pause time calculation scheme. The proposed scheme calculates and changes the pause time according to the network congestion. The performance evaluations of the proposed method show it avoids packet losses due to buffer overflows and achieves a maximum of about 70% reduction of the control packets compared to the conventional method.
机译:临时流量拥塞会导致数据包丢失。如果可以避免由于暂时的拥塞造成的损失,那么将改善网络资源的利用率。另外,随着宽带因特网的发展,使用控制分组的网络应用和技术也增加。因此,重要的是抑制由于控制分组开销而导致的增加的拥塞。 IEEE 802.3x流控制定义了一个暂停帧,并可以在其中指定暂停时间。将帧发送到发送数据包的设备时,可以在给定的暂停时间内停止发送数据包。因此,它可以避免由于临时流量拥塞而造成的由缓冲区溢出引起的数据包丢失。本文着重于这种流量控制并提出了动态暂停时间计算方案。所提出的方案根据网络拥塞来计算和改变暂停时间。所提出方法的性能评估表明,它避免了由于缓冲区溢出而导致的数据包丢失,并且与传统方法相比,最多可减少约70%的控制数据包。

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