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OpenFlow-based FlowVisor network system

An openflow protocol and network system technology, applied in transmission systems, digital transmission systems, data exchange networks, etc.

Inactive Publication Date: 2013-08-07
BEIJING INTERNET INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Stanford developers say that while the platform is very stable, it still has a long way to go

Method used

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  • OpenFlow-based FlowVisor network system
  • OpenFlow-based FlowVisor network system
  • OpenFlow-based FlowVisor network system

Examples

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Embodiment Construction

[0012] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0013] 1. FlowVisor

[0014] FlowVisor splits the physical network through an abstraction layer, which sits between a set of switches and a software-defined network or multiple networks, and manages bandwidth, CPU utilization, and flow tables, similar to how a hypervisor sits between server hardware and software to allow Multiple virtual operating systems run.

[0015] Just as hypervisors rely on standard x86 instructions to virtualize servers, FlowVisor manages OpenFlow switches using the standard OpenFlow instruction set, which sets low-level rules such as how to forward packets based on characteristics in packet headers. Since all these rules are defined through flow tables, network virtualization adds little or n...

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Abstract

The invention discloses a QoS (quality of service) integrated management system based on an OpenFlow network, and belongs to the technical field of OpenFlow network design. The QoS integrated management system comprises an OpenFlow switch and an OpenFlow controller. An OpenFlow proxy server is arranged between the OpenFlow switch and the OpenFlow controller, is connected with the OpenFlow switch and the OpenFlow controller respectively, and is used for communicating with the OpenFlow controller through the OpenFlow protocol and the OpenFlow switch. By the network system, a FlowVisor abstractive layer is adopted to split the physical network; and the network system is located between a group of switches and a software-defined network or among a plurality of networks, similar to a management program located between server hardware and software, to allow multiple virtual operating systems to run.

Description

technical field [0001] The invention belongs to the technical field of OpenFlow network design, in particular to an OpenFlow-based FlowVisor network system. Background technique [0002] Like its building block, OpenFlow, FlowVisor enables researchers to quickly and flexibly experiment with new SDN concepts and tools in large-scale production environments. FlowVisor is currently deployed in production environments across the United States, especially on large campuses (such as Stanford). In addition, FlowVisor is used by participants in two large research-focused networks, the Global Environment for Network Innovation (GENI) and Internet2. However, that doesn't mean FlowVisor is coming to a business network near you. Stanford University developers said that while the platform is very stable, it still has a long way to go. [0003] FlowVisor is a network virtualization platform built on top of OpenFlow, which can divide a physical network into multiple logical networks, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
Inventor 程远冯刚常宁
Owner BEIJING INTERNET INST
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