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A method, device and system for processing data packets in software defined network sdn

A software-defined network and data packet technology, applied in digital transmission systems, transmission systems, data exchange networks, etc., can solve the problems of redundant consumption of control channel bandwidth, network bottlenecks of control equipment, waste of control equipment resources, etc.

Active Publication Date: 2019-03-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] No matter which of the above solutions is adopted, it will cause waste of control device resources and redundant consumption of control channel bandwidth, which may cause the control device to become the bottleneck of the network

Method used

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  • A method, device and system for processing data packets in software defined network sdn
  • A method, device and system for processing data packets in software defined network sdn
  • A method, device and system for processing data packets in software defined network sdn

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Embodiment Construction

[0086] Such as figure 1 As shown, the software defined network (Software Defined Network, SDN) system of the embodiment of the present invention includes: a switch, a controller A and a controller B, and may further include a controller C. The switches are respectively connected to the controller A, the controller B and the controller C through the Openflow control channel.

[0087] The structures of the controller A and the controller B are similar, and the controller A is taken as an example to describe the structure of the controller. Please refer to figure 2 , the controller A includes a protocol processing unit, a management unit, a flow entry generating unit, and a sending unit. The protocol processing unit is used to establish a control channel with the switch. The management unit is configured to acquire the identifier of the control channel. The flow entry generating unit is configured to generate a flow entry, where the flow entry includes a matching domain and ...

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Abstract

The embodiment of the present invention discloses a method executed by a control device in a software-defined network, including: the control device establishes a control channel with a switching device; the control device acquires an identifier of the control channel; the control device generates a flow entry, The flow entry includes a matching domain and an identifier of the control channel; the control device sends the flow entry to the switching device, and the flow entry is used to indicate that the switching device will match the matching domain The matched data packet is sent to the control device through the control channel represented by the identifier of the control channel. In this way, the classification of new flows can be completed on the side of the switching device.

Description

[0001] This application claims the priority of the patent application submitted to the China Patent Office on August 6, 2014, with the application number PCT / CN2014 / 083804, and the invention name is "A Method, Device and System for Message Processing in Software-Defined Networks", The entire contents of which are incorporated by reference in this application. technical field [0002] Embodiments of the present invention relate to the field of communication services, and in particular to a method, device, and system for processing data packets in a software-defined network. Background technique [0003] Software Defined Network (SDN) realizes the separation of the data control layer and the forwarding layer, the control device is responsible for the control function of the control layer, and the switching device is responsible for the forwarding function of the data layer. The switching device can be connected to multiple control devices at the same time, and there are usuall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L45/74
Inventor 李泉材梁剑耀张丰伟
Owner HUAWEI TECH CO LTD
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