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Method and device for verifying validity of flow strategy

A legal and strategic technology, applied in the field of communication, can solve problems such as large memory resource consumption of network equipment, affecting normal business use of customers, and degradation of network equipment performance

Active Publication Date: 2017-01-04
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will take a long time, and during this period of time, the memory resources of the network equipment will be greatly consumed, resulting in a decrease in the performance of the network equipment and affecting the normal use of customers.

Method used

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  • Method and device for verifying validity of flow strategy
  • Method and device for verifying validity of flow strategy

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Embodiment Construction

[0020] In order to improve the efficiency of checking the validity of traffic policies, save system resources, and ensure the normal business of customers, the embodiments of the present invention provide a method and device for checking the validity of traffic policies.

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present inventio...

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Abstract

The embodiment of the invention provides a method for verifying the validity of a flow strategy, and the method is used in any network equipment. The method comprises the steps: recognizing a target address, which is in inclusive or included relation with the target address of changed unicast routing, in the target address corresponding to each flow strategy stored locally when any unicast routing changes; determining the flow strategies corresponding to the recognized target addresses, and carrying out the inspection of the validity of each flow strategy. According to the embodiment of the invention, the method can improve the inspection efficiency of the validity of the flow strategies, saves the system resources, and guarantees the normal operation of businesses.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a method and device for checking the legality of traffic policies. Background technique [0002] The flow policy (Flow Specification) can be used to accurately match attack traffic (source address, destination address, port, source port, destination port, protocol type, etc.), and has multiple options for attack traffic: discard, rate limit, flow Redirection, etc., is an effective method to defend against denial of service (Denial of service, DoS) and distributed denial of service (Distributed Denial of service, DDoS) attacks. [0003] With the multi-protocol expansion capability of BGP (Border Gateway Protocol, Border Gateway Protocol), traffic policies can be easily distributed to devices configured with BGP protocol to limit the traffic that initiates DoS / DDoS attacks. [0004] When a network device uses a traffic policy to control traffic matching for a specific desti...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L63/1408
Inventor 朱超鹏
Owner NEW H3C TECH CO LTD
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