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Method and apparatus for dynamic traffic control in SDN environment

A flow and environment technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as the inability to use duration control of flow, and achieve the effect of reducing communication load and providing real-time services

Active Publication Date: 2016-10-05
KT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in such an environment, existing traffic cannot be dynamically monitored based on real-time traffic state information such as the usage duration of the flow, the number of packets used for each flow, and the total amount of packets used for each flow. problem of control

Method used

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  • Method and apparatus for dynamic traffic control in SDN environment
  • Method and apparatus for dynamic traffic control in SDN environment
  • Method and apparatus for dynamic traffic control in SDN environment

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Embodiment Construction

[0036] While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof have been illustrated and described in detail only by way of example in the drawings. It should be understood, however, that there is no intention to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Taste. In the drawings, the same reference numerals denote the same elements.

[0037] It should be understood that although the terms "first", "second", "A", "B", etc. are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, likewise, a second element could be termed a first element, without departing from the concept and scope of the ...

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Abstract

Disclosed are a method and an apparatus for dynamic traffic control in real-time through a linkage of a controller and a network device. The method for dynamic traffic control comprises the steps of: creating at least one flow entry for controlling the traffic of the network device; and controlling the traffic of the network device by transferring the created at least one flow entry to the network device, wherein the at least one flow entry contains information of a threshold value or a target value for the traffic for controlling the traffic. Accordingly, a communication load between the network device and the controller and a system load of the network device can be reduced. Further, it is possible to provide real-time service through a dynamic traffic control.

Description

technical field [0001] The present invention relates to a software-defined network technology, and more particularly to a method and device for dynamically controlling traffic in real time through interoperation between a controller and network equipment. Background technique [0002] Software Defined Networking (SDN) is a user-oriented network where users have control over basic network devices such as routers or switches, and independent software controllers control the flow of traffic. [0003] In the SDN environment, a flow table including identification information of a traffic flow and information of a processing flow is managed. When actual user traffic is generated, a flow entry corresponding to the generated traffic is identified using a flow table, and a packet processing method of the generated traffic is determined according to the identified flow entry. [0004] Packet processing methods in an SDN environment may include traffic forwarding, traffic drop, traffi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/801H04L47/20
CPCH04L45/38H04L45/02H04L47/32H04L47/20H04L45/64H04L67/02H04L47/10H04L49/60H04L41/50H04L47/125H04L41/0896H04L43/16
Inventor 李世熙安泰镇韩敬儿
Owner KT CORP
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