High-available architecture design method of SDN cluster controller

A technology of cluster controller and architecture design, applied in the direction of digital transmission system, electrical components, transmission system, etc., can solve problems such as inability to cope with SDN network problems

Inactive Publication Date: 2017-07-14
ZHEJIANG GONGSHANG UNIVERSITY
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  • Abstract
  • Description
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Problems solved by technology

At the same time, a single controller cannot cope with SDN network problems across multiple regions, so a distributed cluster mode composed of multiple SDN controllers is more needed

Method used

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  • High-available architecture design method of SDN cluster controller
  • High-available architecture design method of SDN cluster controller
  • High-available architecture design method of SDN cluster controller

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0020] Such as figure 1 As shown, a kind of SDN cluster controller high-availability architecture design method provided by the present invention comprises the following steps:

[0021] 1) if figure 1 As shown, the three-layer framework structure of the SDN cluster control layer is designed: the first layer is the root controller cluster management system, which is implemented based on ZooKeeper technology, and the controllers share information through the distributed database HBase. In this system Install the ZooKeeper server, the root controller cluster management system such as figure 2 As shown, it mainly includes six modules, which are system registration module, role assignment module, topology discovery module, information consistency maintenance module, heartbeat detection module, and fault handling module; the second layer is the root controller l...

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Abstract

The invention discloses a high-available architecture design method of a SDN cluster controller. Along the continuous increment of the SDN network scale, a single controller cannot accomplish the work of entirely controlling a plane, and the single controller certainly faces sing point of failure at the same time, the entire network system is out of control, the out of control even causes the paralysis of the network and irreversible disaster, and the single controller cannot process the SDN network problem cross multiple regions at the same time; therefore, multiple SDN controller are required to form a distributed cluster to avoid the reliability, extendibility and performance problem of the single controller node. Aiming at the relative mainstream SDN controller extensible scheme at present, the characteristics of the controller, the cluster controller, and a vertical architecture controller of various distributed structures are comprehensively considered to innovate a high-available architecture design method of the SDN cluster controller. The method can be effectively applied to the extensible scheme of the SDN controller to enhance the high availability of the architecture and improving the effectiveness of the controller.

Description

technical field [0001] The invention belongs to the field of software-defined network (SDN), and in particular relates to a high-availability architecture design method of an SDN cluster controller. Background technique [0002] The SDN architecture model not only achieves high stability and high performance of the network, but also makes the network more intelligent and flexible. SDN evolves the existing tightly coupled network into a decoupled, flexible, and controllable service delivery platform. Users can freely define some desired network routing and transmission rules and strategies through this platform. For commercial network users, the flexible centralized control feature of SDN can easily realize the user's business needs, and compared with traditional networks, it greatly saves the utilization of network resources. The SDN architecture supports network virtualization, which is a way to realize network virtualization. It can meet the requirements of data centers ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26H04L29/08
Inventor 吴晓春齐银锋王伟明陈玲
Owner ZHEJIANG GONGSHANG UNIVERSITY
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