Virtual open network building system and method based on software definition network

A technology for virtual network construction and software-defined network, applied in the field of Internet and software-defined network, can solve the problems of limited virtual network function, cumbersome process, insufficient to meet the diverse needs of multiple users, etc., to improve convenience and facilitate maintenance and adjustment Effect

Active Publication Date: 2015-02-18
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

Virtual networks can be simply isolated on the edge network through existing virtual local area network (Virtual Local Area Network, VLAN), virtual private network (Virtual Private Networks, VPN) and other technologies, and data transmission on the public Internet still relies on

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  • Virtual open network building system and method based on software definition network
  • Virtual open network building system and method based on software definition network
  • Virtual open network building system and method based on software definition network

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0043] see figure 1 , the present invention proposes a software-defined network-based open virtual network construction system, the system includes the following functional modules:

[0044] Network topology information detection module: This module is responsible for the detection of network topology information. The network topology mainly refers to the topology structure of the relative logical positions between virtual switches, that is, the topology structure is logical, not physical; The above network topology information is detected by the SDN controller and reported to the application program; because the network topology information is dynamically changing, the SDN controller sends a detection packet to the responsible virtual switch at regular intervals ...

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Abstract

The invention discloses a virtual open network building system based on a software definition network. The virtual open network building system comprises a network topological information detection module, a network performance detection module, a network resource integration module, a network resource display module, a user virtual node selection module, a virtual network management module, a network resource virtualization module, a host unit resource virtualization module and a user interaction interface module. A virtual open network building method based on the software definition network comprises the steps that (1) a user logs into the virtual open network building system; (2) the system collects network resource information and visually displays the information to the user; (3) the user finds resources for specific service and provides a service request; and (4) the system provides virtual network customization service for the user. According to the virtual open network building system and the virtual open network building method, the aim of the user for opening and self-building a virtual network is achieved.

Description

technical field [0001] The invention relates to a software-defined network-based open virtual network construction system and method, belonging to the technical field of the Internet, in particular to the technical field of software-defined networks. Background technique [0002] Network virtualization is an emerging network technology. It abstracts the shared underlying infrastructure (Infrastructure) through virtualization technology and provides a unified programmable interface. It virtualizes infrastructure construction through virtual resource slicing or tunneling. Build multiple isolated and heterogeneous virtual networks on top of the existing infrastructure to provide users with differentiated services. Virtual networks can be simply isolated on the edge network through existing virtual local area network (Virtual Local Area Network, VLAN), virtual private network (Virtual Private Networks, VPN) and other technologies, and data transmission on the public Internet sti...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L12/24H04L12/26
Inventor 王敬宇李炜廖建新王纯朱晓民张磊
Owner BEIJING UNIV OF POSTS & TELECOMM
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