Time-triggered network message scheduling method based on timer

A time-triggered, network message technology, applied in the field of network communication, can solve the problem of low data interaction efficiency and achieve the effect of improving time certainty

Pending Publication Date: 2022-05-06
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a timer-based time-triggered network message scheduling method to solve the existing technical problem of low efficiency of data interaction

Method used

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Embodiment Construction

[0011] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scop...

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Abstract

The invention discloses a time-triggered network message scheduling method based on a timer, and belongs to the field of network communication technologies. Aiming at the transmission requirements of various service messages in the AS6802 standard, a timer-based hybrid scheduling method for sending various service messages and a sending scheduling data structure supporting the method are formulated. According to the method, the problem that transmission characteristics of various service messages are difficult to consider in the time-triggered Ethernet can be effectively solved, and the various service messages are accurately sent to a physical link according to defined time points and priority requirements. The method accords with the time triggering characteristic of a TT message, the event triggering characteristic of a PCF message, the rate limiting characteristic of an RC message and the best effort transmission characteristic of a BE message, and provides technical support for designing and realizing an end system supporting multiple service flows.

Description

technical field [0001] The invention belongs to the field of network communication technology, and in particular relates to a scheduling method for time-triggered network messages based on a timer. Background technique [0002] In Ethernet conforming to the IEEE802.3 standard, network devices use the principle of event-triggered transmission, and any network device can access the network at any point in time, and use the principle of first-come, first-served for data transmission. Communication between network devices through a shared medium will inevitably lead to uncertain collisions, jitter, and accumulated delays during the transmission of some messages. [0003] The TTE network conforms to the AS6802 standard, is compatible with the advantages of Ethernet and AFDX networks, uses the network synchronization time jointly maintained by all node devices in the network, supports the TT message of the time trigger mechanism, the RC message of the event trigger mechanism (ie A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06
CPCH04J3/0638
Inventor 刘芸张志平张旭刘智武王晨博
Owner XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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