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Reliable transmission method based on SDN

A transmission method and reliable technology, applied in the field of network communication, which can solve problems affecting normal data transmission, etc.

Active Publication Date: 2017-11-14
XI AN JIAOTONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a reliable transmission method based on SDN network to solve the problem that the transmission of normal data is affected when a physical failure or logical failure occurs on the transmission path

Method used

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  • Reliable transmission method based on SDN
  • Reliable transmission method based on SDN
  • Reliable transmission method based on SDN

Examples

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Embodiment Construction

[0090] The present invention is further described below in conjunction with accompanying drawing:

[0091] 1. Modify the source code of the receiving end software switch

[0092] The switch directly connected to the host that needs to be guaranteed should be an OpenvSwitch software switch. The following steps introduce the process of modifying the source code:

[0093] (1) Identify duplicate data packets

[0094] ISO (International Organization for Standardization, International Organization for Standardization) has formulated the OSI (Open System Interconnection, Open System Interconnection) model, which divides the work of network communication into 7 layers, namely physical layer, data link layer, network layer, and transmission layer. layer, session layer, presentation layer, and application layer. Among them, the transport layer provides end-to-end services between host application processes, and is the core of the entire protocol hierarchy. It is solely responsible for...

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PUM

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Abstract

The invention discloses a reliable transmission method based on an SDN, relating to the technical field of network communication. The method is mainly applied to a computer network, an information center network and the like. In order to improve a fault-free operation time of the SDN and improve the reliability of network transmission, the adaptive calculation and the simultaneous transmission of data through multiple paths are carried out according to a network resource use condition based on the SDN, at the same time, redundant repeated data packets are processed in a receiving end software switch. Through the above mode, the reliability of network data transmission can be effectively improved, the possibility of network interruption or delay caused by a link failure is reduced, the fault-free operation time of the network is improved, and better quality of network service is provided for users.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a reliable transmission method based on an SDN network. Background technique [0002] With the rapid development of the Internet, various businesses have put forward higher requirements for the timeliness and reliability of network transmission. Generally, a single path is used for transmission in the network transmission process. Once a physical or logical failure occurs on the transmission path, it will affect the normal data transmission. In the case of a very large network, when a network failure occurs, if the network administrator manually configures the solution, it will take a lot of manpower and material resources, and the recovery time will be long. [0003] Software-Defined Networking (SDN) is an emerging dynamic, easy-to-manage, and adaptable innovative architecture. Its core technology, OpenFlow, decouples the data forwarding plane from the control pl...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26H04L12/707H04L12/741H04L12/751H04L12/931H04L12/935H04L29/06H04L45/02H04L45/24H04L45/74H04L49/111
CPCH04L41/0836H04L41/12H04L43/0829H04L43/0852H04L43/0876H04L45/02H04L45/24H04L45/54H04L49/3009H04L49/70H04L69/163H04L69/164
Inventor 唐亚哲解愠清颜自坚朱桂英
Owner XI AN JIAOTONG UNIV
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