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A large-scale, highly concurrent deterministic network system

A network system and deterministic technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as low concurrency and small node scale, and achieve good robustness, large network scale, and high real-time performance Effect

Active Publication Date: 2021-07-16
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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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 deterministic network with the characteristics of high reliability, high real-time performance, good fault tolerance, high network concurrency and large network scale for the defects of small node scale and low concurrency in deterministic networks

Method used

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  • A large-scale, highly concurrent deterministic network system
  • A large-scale, highly concurrent deterministic network system
  • A large-scale, highly concurrent deterministic network system

Examples

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Embodiment 1

[0040] As the most basic embodiment of the present invention, this example discloses a large-scale, high merged deterministic network system, such as figure 1 As shown, including network redundancy mechanism, system partition policy, synchronous clock control mechanism and transmission scheduling policy; network redundancy mechanism includes fault timeout monitoring, transmission rate control, and multi-channel network redundancy configuration; system partition policy management, System security partition and security middleware relay configuration; synchronous clock control mechanism consists of timing retention algorithm and centralized algorithm; transmission scheduling strategy is composed of dynamic priority generation and time scheduling matrix; the present invention designs flow isolation function compared to AS6802. Increased the concurrency and security of the network; the scheduling optimization strategy based on the time scheduling matrix can support a variety of large-...

Embodiment 2

[0042] Refer figure 1 , A large-scale, high merged deterministic network system such as figure 1 As shown, network redundancy mechanism, system partition policy, synchronous clock control mechanism, and transmission scheduling strategy.

[0043] Network redundancy mechanism: In some key security applications, since there is no redundancy mechanism, once some nodes fails, the communication interruption of the entire system will cause unpredictable consequences to determine the network, using network redundancy The balance mechanism can ensure that the application can communicate properly in some nodes to communicate normally to ensure a certain robustness.

[0044] Network redundancy mechanism takes three methods:

[0045] 1) When the timeout monitoring method is used, the fault timeout monitoring clock is set in the system. Once the monitoring clock is timeout, the fault model that occurs in the network is determined by the excess time as the judgment criteria, and the correspondi...

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Abstract

The invention discloses a large-scale, highly concurrent deterministic network system, which belongs to the technical field of network communication systems, including a network redundancy system, a system partition strategy system, a synchronous clock control system and a transmission scheduling strategy system; the network The redundant system ensures network reliability through fault monitoring and rate control; the system partition strategy system is used for isolation control of business traffic, improving the scale and concurrency of the network; the synchronous clock control system provides a clock reference for the determinism of the network , which is used to ensure the synchronization of local clocks of global network devices; the transmission scheduling policy system generates a scheduling optimization policy through priority configuration, which is used to rationally use network bandwidth resources, improve message concurrency, and expand network scale at the same time.

Description

Technical field [0001] The present invention belongs to the technical field of network communication system, and specific to a large, high merged deterministic network system. Background technique [0002] The deterministic network is used in the field of industrial control, aviation airborne network, and military communication, etc. With a particular application, the determined network topology and protocol configuration completes the data transmission of the flow to the data and the purpose of data and resource interconnection. However, with the increasing maturation of the network technology and the size of network data, as the deterministic network is constantly improving, information transmission needs further broadband and diverse. For example, a new application function of large aircraft (such as large-screen display, digital map, air data chain, etc.) makes a higher demand for network data transmission. Therefore, deterministic network integrity issues are also more conce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/26H04J3/06H04L12/851H04L12/865H04L29/06H04L47/6275
CPCH04J3/0638H04L41/0663H04L41/0836H04L41/0896H04L43/0894H04L43/16H04L47/24H04L47/6275H04L63/20
Inventor 李文江刘强赵利霞汪文勇
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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