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A data packet management method and device

A management method and technology for a management device are applied in the field of data packet management methods and devices, and can solve the problems of low efficiency in reorganizing data packets and the like

Active Publication Date: 2021-01-29
WUHAN CITMS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a data packet management method, which is used to alleviate the existing technical problem of low efficiency in the process of reorganizing data packets in data transmitted based on the UDP protocol

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  • A data packet management method and device
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  • A data packet management method and device

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Embodiment Construction

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0033] see figure 1 , figure 1 The scene schematic diagram of the intelligent transportation system provided by the embodiment of the present application, the system may include devices and servers, and the connection and communication between servers and servers through the Internet composed of various gateways, etc. etc., the server includes a media server 12, a transcoding server 13 and a communication server, figure 1 Not shown in the communication server etc., where:

[...

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Abstract

The present application provides a data packet management method and device, the data packet management method obtains the data information of the RTP data packet after receiving the RTP data packet, and caches the RTP data packet into the cache queue according to the data information of the data packet , and sort the RTP data packets, so that after receiving the RTP data packets, they can be sorted according to the data information of the RTP data packets, so that when the RTP data needs to be reorganized, the RTP data can be sorted according to the order of the RTP data packets The packet is reassembled, and after obtaining the RTP data packet, in order to ensure the integrity of each frame, it will judge whether the RTP data packet at the head position is the start packet of the video frame, and after finding the start packet of the video frame, Find the end packet of the video frame, and at the same time, obtain the RTP data packet between the beginning packet of the video frame and the end packet of the video frame, and then reorganize the RTP data to obtain the video stream, so as to avoid affecting the RTP data when an expired packet occurs reorganize.

Description

technical field [0001] The present application relates to the technical field of intelligent transportation, in particular to a data packet management method and device. Background technique [0002] In the process of data transmission, in order to speed up the data transmission efficiency, data will be transmitted based on UDP (User Datagram Protocol, User Datagram Protocol), but when transmitting RTP (Real-time Transport Protocol, real-time transport protocol) data based on UDP protocol, due to There is an MTU (Maximum Transmission Unit) limitation during the transmission process, which leads to the need to divide the data into multiple data packets smaller than the MTU during the data transmission process. However, when transmitting data based on the UDP protocol, the received The data packets are not arranged in order, so after receiving the data packets, it is necessary to search for each data packet according to the order of the data packets, and then reassemble the da...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/953H04L12/951H04L29/06H04L47/43
CPCH04L49/9057H04L65/65
Inventor 张凯
Owner WUHAN CITMS TECH CO LTD