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Ethernet packet flow control method and its control device

A network packet and flow control technology, which is applied in the field of Ethernet packet flow control method and its control device, can solve the problems of influence, network transmission efficiency reduction, etc.

Inactive Publication Date: 2003-02-05
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can achieve the purpose of flow control, it will affect the transmission of packets from the same source connection port to be transmitted to other destination connection ports, resulting in a decrease in network transmission performance

Method used

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  • Ethernet packet flow control method and its control device
  • Ethernet packet flow control method and its control device
  • Ethernet packet flow control method and its control device

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Experimental program
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Embodiment Construction

[0051] Before describing in detail the Ethernet packet flow control method and its control device provided by the present invention, please refer to the application system of the Ethernet switching control device shown in FIG. 1 . The figure shows two very high data rate Digital Subscriber Line (VDSL) users among many users (not shown) of this system, one is 64K user 140, and the other is For 2M users 150, the data transmission rates are 64Kbps and 2Mbps respectively, which are very different. The two users respectively connect to the router 110 through the connection ports P5 and P6 of the layer-2 switch control device 130 through the layer-1 switch control device 120 to obtain information services. Since the data rate of the 64K user 140 is relatively slower than that of the 2M user 150, the buffer space of the connection port P5 of the second layer switching control device 130 will be fully occupied, so the second layer switching control device 130 passes Its connection po...

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PUM

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Abstract

The invention relates to the method for controlling the packet flux and the control device in Ethernet. When the buffer space in the target port being insufficient, the flux control packet is transmitted through the unicast instead the flux control pack sent by the source port through the broadcast. The said unicast informs the source port, which is linked to the target port, that the target port is backed up. The packet transmitted to the said target port should be paused, but the packet transmitted to other target port can be carried out so as to raise the the efficiency transmitted through the network.

Description

technical field [0001] The invention relates to an Ethernet method and device, in particular to an Ethernet packet flow control method and a control device thereof. Background technique [0002] Due to the development of electronic technology, computers and various digital information equipment are becoming more and more popular, and in order to achieve the purpose of resource sharing, the network has become a necessary configuration for information exchange. In various network configurations, due to the characteristics of Ethernet (Ethernet), such as easy acquisition, convenient installation, and fast transmission speed, the equipment related to Ethernet has developed vigorously, and its transmission rate has also evolved from 10Mbps to 100Mbps or even 1Gbps, so , Ethernet switch control device (Ethernet Switch hereinafter referred to as switch control device) has become a necessary device for network information exchange. [0003] In the switching control device, in addit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/02H04Q3/00
Inventor 陈任凯赵云飞
Owner VIA TECH INC