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A flow control method and device

A flow control and flow technology, applied in the field of network communication, can solve the problems of large granularity and waste of network resources, and achieve the effect of refining the granularity and reducing the waste of network resources.

Active Publication Date: 2022-03-25
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a flow control method and device to solve the problem of waste of network resources and excessive granularity in the existing PE equipment uplink port flow congestion relief scheme

Method used

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  • A flow control method and device

Examples

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Embodiment 1

[0054] See figure 2 , which is an architectural schematic diagram of a specific application scenario provided by an embodiment of the present invention, such as figure 2 As shown, in this application scenario, the CB device 210 is connected to the upstream port 221 of the PE device 220 through the cascade port 211, the CB device 210 is connected to the servers 230 and 240 through the port 212, and is connected to the server 250 through the port 213, and the PE The device 220 is connected to the user terminal 260 through the port 222, and is connected to the user terminal 270 through the port 223; wherein, the MAC addresses of the server 230 to the server 250 are 0-0-1 to 0-0-3 respectively, and the user terminal 260 to the user The MAC addresses of the terminals 270 are respectively 0-0-4 to 0-0-5.

[0055] In this embodiment, it is assumed that the traffic forwarded by the CB device 210 includes the packets sent by the server 230 to the user terminal 260 (the source MAC ad...

Embodiment 2

[0061] See image 3 , which is an architectural schematic diagram of a specific application scenario provided by an embodiment of the present invention, such as image 3 As shown, in this application scenario, the CB device 310 is connected to the upstream port 321 of the PE device 320 through the cascade port 311, the CB device 310 is connected to the servers 330 to 340 through the ports 312 to 313, and the PE device 320 is connected to the server 330 to the server 340 through the ports 312 to 313 respectively. Ports 322 to 325 are connected to user terminals 350 to 380; wherein, the MAC addresses of the server 330 to the server 340 are 0-0-1 to 0-0-2, respectively, and the MAC addresses of the user terminals 350 to 380 are respectively 0-0-3 to 0-0-6.

[0062]In this embodiment, it is assumed that the traffic forwarded by the CB device 310 includes the packets sent by the server 330 to the user terminal 350 (the source MAC address is 0-0-1, the destination MAC address is 0-...

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Abstract

The present invention provides a flow control method and device. The method includes: performing port group flow statistics according to the source media access control MAC address and destination MAC address of the forwarded flow; The flow of the group is in order from large to small, through the source ports included in each target port group to send flow control messages in order to notify the corresponding data source device to reduce the flow sending rate until the port expansion device uplink port traffic congestion is relieved. The application of the embodiments of the present invention can reduce the waste of network resources between the data source device and the CB device, and refine the granularity of traffic deceleration processing.

Description

technical field [0001] The present invention relates to the technical field of network communication, and in particular, to a flow control method and device. Background technique [0002] IRF3 (Intelligent Resilient Framework 3) is a vertical network integration virtualization technology developed to improve the access capability and management efficiency of the network access layer. Its core idea is to connect multiple PE (Port Extender, port extender) devices to CB (Controlling Bridge, control bridge) devices, and after necessary configuration, virtualize each PE device into a remote interface of the CB device The board is managed by CB equipment uniformly. Using this virtualization technology can increase the interface density of the CB device at a lower cost, simplify the network topology, and reduce the network maintenance cost. [0003] However, it is found in practice that when traffic congestion occurs on the upstream port of the PE device (the port connected to th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L47/12H04L47/263
CPCH04L47/12H04L47/263
Inventor 彭剑远
Owner XINHUASAN INFORMATION TECH CO LTD
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