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A data flow monitoring method, controller and switch

A technology of data flow and controller, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problem of low accuracy and achieve the effect of improving accuracy

Active Publication Date: 2020-04-28
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Only based on the operating state of the flow table, the accuracy of the controller monitoring the data flow forwarded by a certain flow table is low

Method used

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  • A data flow monitoring method, controller and switch
  • A data flow monitoring method, controller and switch
  • A data flow monitoring method, controller and switch

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] 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.

[0029] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the a...

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Abstract

The invention discloses a data flow monitoring method, a controller and a switch. The method of the present invention includes: the controller sends a monitoring request message to the switch, and the monitoring request message carries the source address and the destination address of the data flow; The forwarding parameters of the data flow forwarded by the flow table and sending a monitoring response message to the controller; the controller monitors the data flow forwarded by the flow table according to the state parameters and / or forwarding parameters carried in the monitoring response message.

Description

technical field [0001] The invention relates to the technical field of communication control, in particular to a data flow monitoring method, a controller and a switch. Background technique [0002] SDN (Soft Define Network, software-defined network) is a new network innovation architecture. Its core idea is to separate the control layer and forwarding layer of network equipment to achieve flexible control of network traffic and provide core network and application innovation. good platform. The SDN basic network includes controllers and switches, and the controller needs to maintain the running status of the entire SDN network. [0003] Currently, the controller can only get the operation status of the flow table (such as adding, updating, deleting, etc.). Only according to the operation state of the flow table, the accuracy of the controller monitoring the data flow forwarded by using a certain flow table is low. Contents of the invention [0004] Based on an object o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/801H04L12/947H04L12/741H04L45/74
Inventor 宋小恒
Owner NEW H3C TECH CO LTD