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A flow cleaning method and device

A flow cleaning and flow technology, applied in the field of network communication, to achieve the effects of saving storage space, optimizing forwarding performance, and saving processor resources

Active Publication Date: 2019-11-12
HANGZHOU DPTECH TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present application provides a flow cleaning method and device to solve the existing cleaning system deployment scheme, which cannot be implemented without using the provincial exit routing equipment policy routing, and without establishing a tunnel between the provincial exit routing equipment and the backbone network routing equipment. The problem of realizing normal flow reinjection under certain conditions

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  • A flow cleaning method and device
  • A flow cleaning method and device
  • A flow cleaning method and device

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Embodiment Construction

[0025] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0026] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

This application provides a traffic cleaning method and device. This application realizes the traffic cleaning method without using the provincial exit routing equipment by incorporating the prefectural and city exit routing equipment into the traffic cleaning system and layering forwarding the traffic on the provincial exit routing equipment. Policy routing, and the normal reinjection of traffic under the condition of not establishing a tunnel between the provincial egress routing device and the backbone network routing device. Compared with the prior art, it not only saves the processor resource of the export routing device, but also saves the storage space for the backbone network routing device, and ensures the better forwarding performance of the routing device.

Description

technical field [0001] The present application relates to the technical field of network communication, and in particular to a traffic cleaning method and device. Background technique [0002] DOS (Denial of Service, Denial of Service) is a type of attack that uses various service requests to exhaust the system resources of the attacked target, so that the attacked target cannot provide normal services for legitimate users. Because such attack methods are simple and difficult to prevent, the DDOS (Distributed Denial of Service, Distributed Denial of Service) attack formed on this basis has increasingly become one of the important factors threatening the security of the Internet environment. For this type of attack, the attack traffic is mixed with the normal traffic, which makes it difficult to distinguish the attack traffic. The traffic cleaning technology can realize the in-depth identification of the traffic by pulling the suspicious traffic in the network to the traffic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/715H04L12/723H04L29/06H04L45/50
CPCH04L45/04H04L45/50H04L63/1458Y02D30/50
Inventor 佟立超王佳王孝鹏项朝君
Owner HANGZHOU DPTECH TECH
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