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Interconnection mechanism between software defined network (SDN) subnet and IP subnet in autonomous system

An autonomous system and IP network technology, applied in the field of SDN subnet and IP subnet interconnection mechanism, can solve the problems that software-defined network solutions cannot be applied to application scenarios, etc., and achieve easy deployment and use, high degree of automation, and simple deployment Effect

Inactive Publication Date: 2016-03-09
SOUTHEAST UNIV
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Problems solved by technology

[0009] The purpose of the present invention is to provide an interconnection mechanism between an SDN subnet and an IP subnet in an autonomous system to solve the problem that existing software-defined network solutions cannot be applied to all application scenarios

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  • Interconnection mechanism between software defined network (SDN) subnet and IP subnet in autonomous system
  • Interconnection mechanism between software defined network (SDN) subnet and IP subnet in autonomous system
  • Interconnection mechanism between software defined network (SDN) subnet and IP subnet in autonomous system

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Embodiment Construction

[0056] The present invention will be further described below in conjunction with the accompanying drawings.

[0057] The present invention proposes a set of schemes utilizing the OSPF protocol to realize the interconnection between the SDN subnet and the IP subnet in the autonomous system. The overall architecture diagram is shown in the attached figure 1 shown. In the autonomous system, according to the OSPF protocol specification, the entire network is divided into three basic areas: the backbone area Area0 and the subnet area Area1 composed of traditional network equipment; the SDN subnet area composed of converters, OpenFlow switches and controllers; Area1 is connected to Area0 through an area border router and an SDN area through a converter; the converter is the only transfer station for the communication between the IP subnet and the SDN subnet, including the OSPF protocol daemon, the information conversion module and the converter communication module; The controller ...

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Abstract

The invention discloses an interconnection mechanism between a software defined network (SDN) subnet and an IP subnet in an autonomous system, wherein a whole network is divided into three basic areas of a backbone area Area 0 and a subnet area Area 1 which are composed of traditional network equipment; and a SDN subnet area which is composed of a converter, an OpenFlow switch and a controller. The subnet area Area 1 is connected with the Area 0 through an area border router, and the SDN subnet area is connected with the Area 0 through a converter. A whole system operation process comprises making forwarding roles in the SDN network and the IP network, transmitting IP network connection information to the SDN network, and transmitting SDN network connection information to the IP network. The interconnection mechanism realizes interconnection between the SDN network and a traditional network by means of an open shortest path first (OSPF) protocol, and furthermore has advantages of easy disposition, easy use, high extendibility, high automation degree, etc.

Description

technical field [0001] The present invention is a set of novel SDN subnet and IP subnet interconnection mechanism used in the autonomous system, which mainly uses the OSPF protocol to solve the interconnection problem between the SDN subnet and the IP subnet in the autonomous system, and belongs to the field of computer network application technology . Background technique [0002] Software Defined Networking (SDN) is considered to be the development trend of the future network. Currently the most mainstream SDN architecture is proposed by ONF, which is divided into infrastructure layer, control layer and application layer. This architecture has the following three characteristics: physical separation of forwarding and control; centralized control; programmable network and standardized open interface. After the introduction of SDN technology, it will bring many benefits: network configuration no longer requires the administrator to log in to each network device one by one ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/749H04L29/06H04L45/741
CPCH04L45/741H04L69/08
Inventor 曹争史衍伟
Owner SOUTHEAST UNIV
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