Data interaction method of SDN network and IP network

A technology for IP network and data interaction, applied in the field of computer network applications, can solve the problems of controller burden, poor flexibility and scalability, and achieve the effect of reducing processing burden and enhancing scalability and flexibility

Active Publication Date: 2017-05-10
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when this method is implemented, the SDN controller needs to have multiple physical network ports connected to the BGP edge router, and the controller needs to participate in the processing of huge EBGP routing information, which brings a certain burden to the controller.
This method is less flexible and scalable

Method used

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  • Data interaction method of SDN network and IP network
  • Data interaction method of SDN network and IP network
  • Data interaction method of SDN network and IP network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The framework of SDN network and IP network is as follows: figure 1 As shown, the port 1 of the edge router R1 is directly connected to the edge switch S1, the IP address of this port is 100.0.0.1, the MAC address is 00:00:00:00:00:01, and the port 1 of the edge router R2 is directly connected to the edge switch S2, the IP address of the port is 100.0.0.2, and the MAC address is 00:00:00:00:00:02; an SDN network composed of edge switches, controllers, and local hosts, where the local host is connected to the interface of the edge switch S3 Eth0 sets up two virtual network ports (IP: 10.0.1.1, 10.0.1.2), sets the MAC address to 00:00:00:00:00:03, and the IP network passes through the edge routers R1 and R2 and the edge switch S1 of the SDN network , S2 physical direct connection, port 1 of the edge switch S1 is connected to the edge router R1, port 1 of the edge switch S2 is connected to the edge router R2; in the SDN network, the IP address of the controller is 10.0.2.2...

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Abstract

The invention provides a data interaction method of an SDN network and an IP network. According to the method provided by the invention, a local host is additionally arranged in the SDN network, the local host and an edge router of the IP network share topological information of the SDN network and the IP network, an SDN controller can determine a data forwarding path according to the shared routing information, and after the data forwarding path is constructed, the SDN controller does not need to participate in message analysis or new path calculation, thereby reducing the processing burden of the SDN controller. Compared with the prior art, the scalability and flexibility are enhanced.

Description

technical field [0001] The present invention relates to the technical field of computer network applications, and more specifically, to a data interaction method between an SDN network and an IP network. Background technique [0002] Software Defined Networking (Software Defined Networking) was first proposed by the Stanford University Cleanslate research group as a new type of network architecture. Its core idea is to separate the control plane from the forwarding plane, and adopt centralized control. The development interface makes the network more open, flexible and scalable, so that it can better realize the fine management and optimization of the network on the basis of understanding the entire network information, which is conducive to promoting the development and progress of network technology. [0003] Although the SDN network has many advantages, because the structure of the SDN network is a subversive change to the current network structure, its processing mode an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/715H04L12/747H04L12/751H04L29/12H04L45/02
CPCH04L45/02H04L45/04H04L45/742H04L61/103
Inventor 黄以华杨沐晖
Owner SUN YAT SEN UNIV
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