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Flow table management method and related equipment and system

A management method and flow table technology, applied in the field of network communication, can solve problems such as high overhead of control channels and increased risk of control channel congestion

Active Publication Date: 2019-05-24
HONOR DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some cases, the standard and complete flow entries issued by the SDN Controller may cause large control channel overhead, increase the risk of control channel congestion, and occupy more network processing resources of both the SDN Controller and the OpenFlow Switch

Method used

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  • Flow table management method and related equipment and system
  • Flow table management method and related equipment and system
  • Flow table management method and related equipment and system

Examples

Experimental program
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Embodiment Construction

[0096] Embodiments of the present invention provide a flow table management method, device, and system in order to reduce the amount of data sent by the SDN Controller to the OpenFlow Switch, thereby reducing the control channel overhead, thereby reducing the risk of control channel congestion, and reducing the need for sending flow table items. Network processing resource occupation of the SDN Controller and OpenFlow Switch.

[0097]In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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PUM

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Abstract

A flow table management method, device and system. A flow table management method, comprising: a software-defined network controller generates a first flow entry, wherein a first field set in the first flow entry carries an index of an actual value of the first field set, and the first field set includes N fields; the software-defined network controller sends an OpenFlow protocol message to the OpenFlow switching device, and the OpenFlow protocol message carries the first flow entry. The technical solution of the embodiment of the present invention is beneficial to reduce the data volume of the flow entry sent by the SDN Controller to the OpenFlow Switch, thereby reducing the control channel overhead, thereby reducing the risk of control channel congestion, and reducing the impact of the flow entry on the SDN Controller and the OpenFlow Switch. Network processing resource usage.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a flow table management method, related equipment and a communication system. Background technique [0002] OpenFlow (OpenFlow) technology was first proposed by Stanford University, aiming to solve the current network problems based on the technical conditions of Transmission Control Protocol / Internet Protocol (TCP / IP, Transmission Control Protocol / Internet Protocol) with innovative network interconnection concepts. Various bottleneck problems arising from new business. [0003] Among them, the core idea of ​​the OpenFlow technology is mainly to transform the packet forwarding process that was originally completely controlled by the switching device (switching device can be a switch, router, etc.) Defined Network) controller (SDN Controller) collaboratively complete. [0004] The SDN Controller can issue a flow entry to the OpenFlow Switch to indicate the packet f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L45/74H04L45/02
CPCH04L45/02H04L45/64H04L45/38H04L45/745H04L47/2483H04L49/3009H04L45/036H04L49/60H04L12/00
Inventor 唐朋成周伟
Owner HONOR DEVICE CO LTD
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