Virtual router and method for realizing interconnection between SDN network and traditional IP network

Abstract

The invention discloses a virtual router. The virtual router is characterized by comprising an SDN controller, a kernel module and a protocol module. The SDN controller is used for providing a standard northbound interface, carrying out OF protocol encapsulation on a flow table configuration instruction of an application and message data of the protocol module through the SDN controller module, and forwarding the flow table configuration instruction of the application and the message data of the protocol module to the corresponding interface for processing. A standard southbound interface is provided downwards. According to the kernel module, a shielding bottom layer provides a standard IP layer and an interface for operation of an upper-layer protocol. The communication adaptation betweenthe IP core message and the SDN controller is completed. The protocol module is used for processing a traditional standard router protocol to form a corresponding routing table and a forwarding tableand informing the SDN controller through the routing engine module. The SDN controller generates a flow table entry according to the routing table and the forwarding table and issues the flow table entry. According to the invention, the interconnection communication between the SDN network and the traditional network can be realized.

Description

technical field [0001] The present invention relates to the technical field of communication, and more specifically, to a virtual router and a method for realizing interconnection between an SDN network and a traditional IP network. Background technique [0002] Traditional network devices are individually controlled on a device-by-device basis. Each device must perform not only the functions of the forwarding plane, but also the functions of the control plane and management plane. The networking is completed through interactive control signaling between devices. [0003] First of all, it is difficult to adjust and control resources from the perspective of the entire network in terms of network congestion control and service quality assurance in traditional networks; secondly, in terms of forwarding mode, traditional network equipment is basically fixed, that is, route selection and forwarding are performed according to the target IP address , it is impossible to carry out c...

AI Technical Summary

Problems solved by technology

[0013] In order to solve the problem that the traditional IP network cannot be directly interconnected with the SDN network, the present invention provides a virtual router and a method for realizing the interconnection between the SDN network and the traditional IP network, which realizes the interconnection and communication between the SDN network and the traditional IP network by constructing a virtual router

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