A high-speed data distribution method and device

A technology for high-speed data and data distribution services, applied in the field of high-speed data distribution, can solve problems such as delay, incomplete data, and large data volume, and achieve the effect of improving efficiency

Active Publication Date: 2019-07-12
中国人民解放军63920部队
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the existing RTI data distribution method transmits a large amount of or high-frequency data, due to the large amount of data, it is easy to cause RTI blockage
At the same time, when the data transmission frequency is too high and exceeds the minimum callback time allowed by the HLA support environment callback function, RTI will discard the data that cannot be processed, resulting in incomplete data, or delay entering the next simulation step, which cannot meet the requirements. Real-time simulation needs

Method used

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  • A high-speed data distribution method and device
  • A high-speed data distribution method and device
  • A high-speed data distribution method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] figure 1 Shows a flowchart of a method for distributing high-speed data provided by an embodiment of the present invention, such as figure 1 As shown, the method mainly includes:

[0067] Step S11: Sort the high-speed data in the order of generation.

[0068] When federation members send high-speed data, the simulation step size and this type of high-speed data are sorted in the order of generation.

[0069] Step S12: Pack and compress the sorted high-speed data according to types.

[0070] Step S13: Construct compressed interactive data.

[0071] Table 1 shows compressed interactive data constructed by an embodiment of the present invention.

[0072] compressType orinType Num Data

[0073] Table 1

[0074] As shown in Table 1, the compressed interactive data includes: compressType: compression type, the compression algorithm used by the sender, the field length is 16B, and the type is character type. orinType: The name of the original interactive type, the field length is 1...

Embodiment 2

[0079] figure 2 Shows a flowchart of a method for distributing high-speed data according to another embodiment of the present invention, such as figure 2 As shown, the method mainly includes:

[0080] Step S21: Receive compressed interactive data.

[0081] Step S22: Parse the compressed interactive data.

[0082] As shown in Table 1, the compressed interactive data includes:

[0083] The compressed interactive data includes: compressType: compression type, the compression algorithm used by the sender, the field length is 16B, and the type is character type. orinType: The name of the original interactive type, the field length is 128B, and the type is character type. Num: The number of compressed data blocks, the field length is 16B, and the type is an unsigned integer. Data: compressed data.

[0084] In a possible implementation manner, step S22 may specifically include:

[0085] Step S221: Select a decompression algorithm according to compressType.

[0086] Step S222: Select the res...

Embodiment 3

[0091] image 3 Shows a schematic diagram of data from the publisher to the subscriber, image 3 The publishing end is applicable to the method described in Embodiment 1, and the subscribing end is applicable to the method described in Embodiment 2. Such as image 3 As shown, the sender directly sends normal data to the HLA data distribution management service for release, performs high-speed data classification and compression for high-speed data, and then sends the compressed result to the data distribution service for release, which may correspond to step S11 described in Embodiment 1. -S14. The data distribution management sends the subscribed data to the receiver. After receiving the data, the receiver judges whether the data is high-speed data. If it is high-speed data, decompress and restore it, which can correspond to the steps S21-S22 described in Embodiment 2, and then process the restored data, otherwise directly process Normal data.

[0092] Therefore, the method fo...

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Abstract

The present application relates to a method and device for distributing high-speed data, including sorting the high-speed data in the order of generation, packaging and compressing the sorted high-speed data by type, constructing compressed interactive data, and invoking a data distribution service to publish the compressed data type of interactive data. The method and device for distributing high-speed data provided by the present invention can reduce the amount of data to be sent and the frequency of sending data packets.

Description

Technical field [0001] The present invention relates to the field of computer simulation technology, in particular to a method and device for distributing high-speed data. Background technique [0002] Currently in the real-time simulation process based on HLA (Chinese: High Level Architecture, English: High Level Architecture), RTI (Chinese: Run-Time Infrastructure, English: Run-Time Infrastructure) uses the original data to send during data transmission, namely The data to be sent by the data publishing end is sent to the RTI according to the original data length without any processing, and the RTI sends the received data directly to the subscriber. [0003] When the existing RTI data distribution method transmits a large amount of or high-frequency data, due to the large amount of data, it is easy to cause RTI blockage. At the same time, when the data transmission frequency is too high and exceeds the minimum callback time allowed by the callback function of the HLA support env...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L69/04H04L67/5651
Inventor 苗毅周立申敬松周倜詹磊王磊杨健铁伟涛
Owner 中国人民解放军63920部队
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