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Method and device for distributing high speed data

A high-speed data distribution device technology, applied in the field of computer simulation, can solve problems such as delay, RTI blocking, and incomplete data, and achieve the effect of improving efficiency

Active Publication Date: 2016-11-16
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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  • Method and device for distributing high speed data
  • Method and device for distributing high speed data
  • Method and device for distributing high speed data

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] figure 1 A flowchart showing a high-speed data distribution method provided by an embodiment of the present invention, as shown in figure 1 As shown, the method mainly includes:

[0067] Step S11, sorting the high-speed data in the order of generation.

[0068] When federation members send high-speed data, sort the high-speed data of this type in the order of generation.

[0069] Step S12, packing and compressing the sorted high-speed data by type.

[0070] Step S13, constructing compressed interactive data.

[0071] Table 1 shows the compressed interactive data constructed by the 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. orinType: the name of the original interaction class type, the fie...

Embodiment 2

[0079] figure 2 A flow chart showing a high-speed data distribution method provided by another embodiment of the present invention, as shown in figure 2 As shown, the method mainly includes:

[0080] Step S21, receiving compressed interactive data.

[0081] Step S22, parsing the compressed interactive data.

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

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

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

[0085] Step S221, selecting a decompression algorithm according to the compressType.

[0086] Step S222...

Embodiment 3

[0091] image 3 A schematic diagram showing data from the publisher to the subscriber, image 3 The publisher is applicable to the method described in Embodiment 1, and the subscriber is applicable to the method described in Embodiment 2. Such as image 3 As shown, the sender directly sends the normal data to the HLA data distribution management service for release, classifies and compresses the high-speed data, and then sends the compression 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, decompresses and restores it, which can correspond to steps S21-S22 described in Embodiment 2, and then processes the restored data, otherwise directly processes normal data.

[0092] Therefore, in the high-speed data distribution metho...

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Abstract

The invention relates to a method and device for distributing high speed data. The method comprises the steps of sorting the high speed data according to a generation order, and then packing and compressing the sorted high speed data by type; and constructing compression type interaction class data, and calling a data distribution service to publish the compression type interaction class data. The method and the device for distributing the high speed data provided by the invention can reduce the amount of transmitted data and reduce the data packet transmission frequency.

Description

technical field [0001] The invention relates to the technical field of computer simulation, in particular to a high-speed data distribution method and device. Background technique [0002] At present, in the real-time simulation process based on HLA (Chinese: Advanced Architecture, English: High Level Architecture), RTI (Chinese: Runtime Underlying Structure, English: Run-Time Infrastructure) uses the original data transmission during data transmission, namely The data publisher sends the data to be sent to RTI according to the original data length without any processing, and RTI directly transmits the received data 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 HLA support environment callback function, RTI wil...

Claims

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Application Information

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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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