Bandwidth control method based on software-defined networking and oriented to different types of flow

A software-defined network and bandwidth control technology, which is applied in data exchange networks, electrical components, digital transmission systems, etc., can solve the problems of inability to adjust dynamically, expensive, manual settings, etc., to avoid unreasonable bandwidth utilization and detailed control strategies , the effect of reducing complexity

Inactive Publication Date: 2014-06-04
SUZHOU INST FOR ADVANCED STUDY USTC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some manufacturers classify and mark traffic in IPv4, IPv6, and Layer 2 Ethernet, and divide data packets into multiple priorities or multiple service classes. Such devices are generally more complicated to control and expensive
The current bandwidth control method has the following characteristics: most bandwidth control devices are generally installed on the egress gateway, and cannot control the entire network; the control strategy of the device generally needs to be manually set, and cannot be dynamically adjusted according to the specific situation

Method used

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  • Bandwidth control method based on software-defined networking and oriented to different types of flow
  • Bandwidth control method based on software-defined networking and oriented to different types of flow
  • Bandwidth control method based on software-defined networking and oriented to different types of flow

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Embodiment Construction

[0038]The software-defined network-based bandwidth control method for different types of flows in this embodiment is used for reasonable bandwidth allocation to different flows, where the environment is a network built under a software-defined network (SDN) architecture; switches support The switch of the openflow protocol; the gateway refers to the export gateway, and the method includes the following steps:

[0039] (1) The user applies for access to the network, and the administrator sets the corresponding level according to the actual situation, and adds the user information (user level, user requirements, application level, etc.) to the controller to initialize the relevant measurement values.

[0040] (2) The controller formulates a basic bandwidth control strategy for the user according to the user's level and requirements, and assembles the basic strategy into the relevant switches, and the user can connect to the network at this time.

[0041] (3) The user host sends ...

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Abstract

The invention discloses a bandwidth control method based on software-defined networking and oriented to different types of flow. By means of the method, the different types of flow are identified, intelligent bandwidth allocation schemes are provided, and the problems that as for a traditional method, control is complex and response is slow are solved. Under a SDN framework, bandwidth control of the whole network is achieved through a controller, an implementation process is simple and efficient, the bandwidth utilization rate is increased effectively, differential bandwidth allocation is provided intelligently, and the bandwidth control method is applied to bandwidth control oriented to the different types of flow in the SDN.

Description

technical field [0001] The invention belongs to the field of network quality of service (Quality of Service, QoS), and specifically relates to a bandwidth control method for different types of flows based on software-defined networking (Software-defined networking, SDN). Background technique [0002] With the development of information technology, Internet users and business traffic are constantly increasing. People have various needs for the network. New network applications such as Internet telephony, Internet video, P2P download, and games are very popular. In a traditional IP network, all packets are treated equally without distinction, and each forwarding device uses a first-in-first-out (FIFO) policy to process all packets, and it tries its best (Best-Effort ) to send the message to the destination. As a result, voice, video, point-to-point download traffic, and game data in the network occupy a large amount of bandwidth, and important services of users may not be com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/813H04L12/851H04L47/20
Inventor 黄刘生牛庆功徐宏力孙文君张鑫
Owner SUZHOU INST FOR ADVANCED STUDY USTC
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