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SDN-based whole network shaping method, device and system

A network and default configuration technology, applied in the field of data communication, can solve problems such as complexity, inability to implement end-to-end shaping strategies, cumbersome configuration, etc., and achieve the effect of centralized configuration

Active Publication Date: 2017-04-19
深圳市兆能讯通科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The traditional network shaping algorithm only supports distributed configuration. If the network scale is large, the configuration will be very cumbersome and complicated. The shaping algorithm is only based on a certain switch and cannot implement an end-to-end shaping strategy.

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  • SDN-based whole network shaping method, device and system
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Embodiment Construction

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] SDN is a new type of network architecture, which can separate the control plane and data plane of network equipment through OpenFlow (Open Flow) technology, so as to realize flexible control of network traffic. In SDN, it includes a controller that realizes the function of the control plane and several switches tha...

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Abstract

The invention provides an SDN-based whole network shaping method, device and system. The method comprises the steps that a controller presets an SDN-based whole network shaping algorithm configuration task sequence, wherein the task sequence includes a shaping default configuration table and a shaping dynamic table; when the controller receives a user message reported by a switch, a source IP address and a target IP address are acquired, the forwarding path of the message is calculated according to the target IP address, and the dynamic items of the shaping dynamic table are generated according to the source IP address, the target IP address and the shaping type and bandwidth in the shaping default configuration table; and the controller determines the shaping bandwidth according to the shaping type and bandwidth in the dynamic items and adds the forwarding path and the shaping bandwidth to a flow table to be issued to the switch. The whole network shaping algorithm can be controlled and the end-to-end shaping strategy can be provided.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of data communication, and in particular to an SDN (Software Defined Network, software defined network)-based whole network shaping method, device and system. Background technique [0002] Traffic shaping (Traffic Shaping) is a measure to actively adjust the output rate of traffic, which limits the traffic and burst of a certain connection out of a certain network, so that such packets are sent out at a relatively uniform speed. Traffic shaping is usually implemented using buffers and token buckets. When packets are sent too fast, they are buffered in the buffer first, and then the buffered packets are sent evenly under the control of the token bucket. [0003] The traffic shaping of traditional switches shapes the ingress burst traffic according to the egress bandwidth of the switch. The whole process is as follows: figure 1 Shown: After receiving the burst traffic from the client...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L12/751H04L12/815H04L45/74H04L45/02H04L47/22
CPCH04L45/02H04L45/74H04L47/22
Inventor 翟跃
Owner 深圳市兆能讯通科技有限公司
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