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SDN management network architecture, method for establishing SDN management network and switching method for SDN management network

A technology for managing networks and networks, applied in the network field, can solve the problems of low network reliability and difficult SDN management network operation and maintenance, and achieve the effect of ensuring reliable communication, reducing operation and maintenance difficulty, and highly reliable architecture.

Active Publication Date: 2019-02-12
上海层峰网络科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] This application provides an SDN management network architecture to solve the problems of difficult operation and maintenance and low reliability of the existing SDN management network

Method used

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  • SDN management network architecture, method for establishing SDN management network and switching method for SDN management network
  • SDN management network architecture, method for establishing SDN management network and switching method for SDN management network
  • SDN management network architecture, method for establishing SDN management network and switching method for SDN management network

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Embodiment Construction

[0073] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0074] Before introducing the embodiments of the present application, relevant technical terms of the present application will be introduced first.

[0075] SDN: Software Defined Network, which is a software-defined network, is an innovative new network architecture compared to traditional networks, aiming to achieve a complete separation of the data plane and control plane of network equipment.

[0076] Openflow switch: A forwarding switch that supports the Openflow protocol, which is a form of SDN network element.

[007...

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Abstract

The invention discloses an SDN management network architecture, which comprises an SDN controller, a core node layer 3 switch, openflow switches, branch node layer 3 switches, a VPN server and internet access equipment, wherein the SDN controller is deployed at a core node of a network; the SDN controller is connected to the core node layer 3 switch; the branch node layer 3 switches and the openflow switches are deployed at branch nodes; a management port and a service port of each openflow switch are respectively connected to two ports of the corresponding branch node layer 3 switch; the VPNserver is deployed at the core node and is connected to internet through the internet access equipment; in-band management channels are established between the core node and the branch nodes based onan SDN service network, and the in-band management channels are virtual leased lines established by configuring an initialization flow table of the openflow switches; and VPN leased lines are established between the core node and the branch nodes through the internet and are taken as out-of-band escape management channels which have lower levels of usage than the in-band management channels.

Description

technical field [0001] The invention relates to network technology, in particular to an SDN management network architecture, a method for establishing an SDN management network and a switching method for an SDN management network. Background technique [0002] SDN (Software Defined Networking) is an innovative network architecture compared to traditional networks. By separating the data plane and control plane of network devices, the data plane has flexible and programmable flow forwarding capabilities. The basic SDN network architecture consists of an SDN controller and an openflow switch. A management network needs to be built between the SDN controller and the openflow switch for intercommunication. The SDN controller is supported to deliver the flow table to the openflow switch and the openflow switch to report the status to the SDN controller, etc. information. [0003] Under the prior art, in common commercial deployment, there are mainly two implementation schemes: a...

Claims

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Application Information

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IPC IPC(8): H04L12/24
CPCH04L41/00H04L41/04
Inventor 张永福王茜吕屹庞俊英
Owner 上海层峰网络科技有限公司
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