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ACL issuing method and device

A message sending and message technology, applied in the direction of transmission system, electrical components, etc., to achieve the effect of good speed limit effect

Active Publication Date: 2022-03-25
杭州迪普信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there is currently a lack of an effective rate-limiting method for target-type packets

Method used

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  • ACL issuing method and device
  • ACL issuing method and device
  • ACL issuing method and device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0041] A chassis device (also called a chassis network device) consists of multiple boards and is used for complex packet processing or forwarding. Generally, it can be used as a server, switch, traffic audit device, and so on. The boards of the chassis-type equipment include various boards, such as main control boards, switching boards, and service boards. Among them, the main control board is used to manage the entire chassis device, the switch board is used to forward packets, and the service board is used to process the packets. Switching boards and service boards are generally equipped with switching chips, and the switching chips are connected to interfaces on the boards, and communicate with other devices or other boards through the connected interfaces. The interface on the board is divided into internal port and external port (external port is also called panel port), and the external port is connected with other external devices to realize the communication between t...

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Abstract

This specification provides a method and device for issuing an ACL. The method includes: a main control board of a shelf-type device obtains an upper limit value for a message of a target type, and divides the upper limit value into N thresholds and allocates them respectively. Each N switch chips can generate and deliver one or two ACLs to each switch chip. After these ACLs make any switch chip reach the threshold, the target type packets received by the switch chip can also be redirected to make other unidentified packets. The switch chip that reaches the threshold accepts the packet, that is, after the packet enters the device, it will be discarded only after all the switch chips in the switch chip sequence reach their respective thresholds, so that multiple switch chips share the upper limit and achieve a better performance. speed limit effect.

Description

technical field [0001] This specification relates to the field of computer application technology, and in particular to a method and device for issuing an ACL. Background technique [0002] A chassis-type device can generally receive packets sent by other devices through several switching chips, and these switching chips for receiving packets are generally located on service boards or switching boards of the chassis-type device. After the switch chip receives the message, it can discard or forward the received message by looking up the table, for example, send it to the central processing unit (Central Processing Unit, CPU) of the service card, so as to realize the processing of the message. Wherein, the process that the switching chip processes the message according to the service requirement of the board is called receiving the message. [0003] Sometimes it is necessary to limit the amount of packets of the target type (packages containing specified characteristics) acce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L47/10H04L47/32H04L49/15
CPCH04L47/29H04L47/32H04L49/15
Inventor 符志清
Owner 杭州迪普信息技术有限公司