Reliable response group adding inquiry method based on IGMPV3

A reliable and algorithmic technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve the problems of closed protocol stack specifications, inoperability, failure of mutual transmission of multicast message data, and no response, so as to avoid abnormal hidden dangers. , Improve stability and reliability, repair the effect of multicast data loss

Inactive Publication Date: 2018-11-30
THE 724TH RES INST OF CHINA SHIPBUILDING IND
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  • Application Information

AI Technical Summary

Problems solved by technology

However, in some operating systems, although the protocol version and functions used by the protocol stack are unified and commercialized, the protocol stack specification used is closed and inoperable
In use, when the operating system is under certain circumstances, such as the version is too low, the operating system has multiple IPs, the dynamic IP or the functional defect of the operating system itself, it is also the IGMPV3 protocol, and there will also be grouping of IGMPV3 for the core switch. There will be no response or response failure in the query, which will lead to the failure of multicast packet data transmission

Method used

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  • Reliable response group adding inquiry method based on IGMPV3
  • Reliable response group adding inquiry method based on IGMPV3

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Embodiment Construction

[0011] First, obtain a data network composed of a switch and multiple terminals, each terminal uses the same protocol as the switch for data transmission. First initialize the network hardware of each terminal and switch. After the network physical interface layer of each device works normally, use reliability monitoring at the network layer and transport layer of each device. The monitoring method is specifically written to monitor between the network layer and the transport layer. The function here is defined as the monitoring function A, which is used to monitor the multicast inquiry from the central node.

[0012] Let the monitoring function A be

[0013] (…

[0014] / *Send multicast data* /

[0015] / *Monitor network layer and transport layer function end* /

[0016] / *Monitor the group addition query of the multicast protocol* / / *Monitor the version of the multicast protocol* /

[0017] / *When it is judged that it is IGMPV3 with source group information plus group query*...

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Abstract

The invention relates to a reliable response group adding inquiry method based on IGMPV3, which comprises a data network consisting of a switch and a plurality of terminals, and each terminal uses thesame protocol for data transmission with the switch. Firstly, the network hardware of each terminal and switch is initialized; after physical interface layers of each device work normally, reliability monitoring is applied to the network layer and the transport layer of each device. Specifically, a monitoring function is written; and the function algorithm is of monitoring the data content of themulticast group adding inquiry message for implementation; the process is of monitoring the group adding inquiry message, analyzing the source group information data in the message, giving the sourcegroup information data to an operating system after the data is judged so that the operating system can respond to group adding inquiry correctly, thereby ensuring that the sent multicast data can bemutually transmitted correctly.

Description

technical field [0001] The invention belongs to the technical field of technical standard data transmission network realization. Background technique [0002] In order to improve data accuracy, the hardware processing speed of the network is constantly increasing, and the performance of the network is improved by improving the efficiency of receiving and sending, and the stability of the network is improved. However, this method is costly and the applicable environment is limited. For example, some special occasions are not suitable or cannot solve the stability and data loss problems of the multicast network based on IGMPV3 by updating the hardware. Therefore, in this case, when using network data transmission, through careful research on network principles and specific analysis of relevant links in engineering applications, a method is needed to optimize the transmission logic from the communication mechanism without replacing the hardware. Under the premise of the enviro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26
CPCH04L41/044H04L41/0803H04L41/0836H04L43/08H04L43/10
Inventor 李旻罡
Owner THE 724TH RES INST OF CHINA SHIPBUILDING IND
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