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Communication port multiplexing method keeping transmission data integrity

A communication port and data transmission technology, applied in the field of communication port multiplexing, can solve problems such as incomplete transmission data loss, and achieve the effect of avoiding image frame loss, maintaining integrity, and avoiding signaling transmission blocking.

Inactive Publication Date: 2015-08-12
WUHAN XINGTU XINKE ELECTRONICS
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Problems solved by technology

[0004] The present invention proposes a communication port multiplexing method that keeps transmission data intact. The method is that the sending end performs multi-channel data transmission on the same physical port, and the receiving end receives multi-channel forwarding data on the same communication port. The multi-channel data Distinguish by multiplexing ID, so as to solve the problem of incomplete transmission data loss

Method used

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  • Communication port multiplexing method keeping transmission data integrity

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] Such as Figure 1~3 Among them, a communication port multiplexing method that maintains the integrity of transmitted data, including:

[0023] (1) The program at the receiving end sends an on-demand request command to the program at the sending end through the TCP protocol, and at the same time creates a receiving object, which specifically includes the following steps:

[0024] a. The receiver program provides an interface to the user terminal, and th...

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Abstract

The invention provides a communication port multiplexing method keeping transmission data integrity. The method includes: (1) a receiving end program sends on-demand request instructions to a sending end program in a TCP mode, and receiving objects are created at the same time; (2) the sending end program creates sending objects after analyzing the on-demand request instructions, the sending objects send media stream data to the receiving end program in an RTP data packet format, and the receiving end program distinguishes different media stream data according to multiplexing ID numbers and then sends to the corresponding receiving objects. The sending end performs multipath data transmission at the same physical port, the receiving end receives multipath forwarded data at the same communication port, multipath data is distinguished through multiplexing IDs, the problem that a shortage of communication ports in use in video conference and video command scenes causes data and signaling transmission congestions and media data loss is solved, integrity of media stream data is kept at the same time, and the problem of image frame loss caused by media stream data loss is avoided.

Description

technical field [0001] The invention relates to a communication port multiplexing method for keeping transmission data intact. Background technique [0002] Video command, video conferencing and other services use streaming media servers to forward and transmit media streams. It is based on the real-time transport protocol RTP to transmit video or other media streams. It needs to occupy the RTP data transmission port, which is the communication port in the usual sense. When users order a large number of front-end devices or conduct video conferences with multiple terminals at the same time, the streaming media server needs to occupy a large number of communication ports to forward media stream data in batches. However, in actual scenario applications, the number of communication ports provided by the user for data transmission is small and the port numbers are fixed, which cannot meet the requirements of actual scenario applications. In addition, during the operation of the...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04N21/6437
CPCH04L69/16H04N21/6437H04L65/65
Inventor 程家明周志祥
Owner WUHAN XINGTU XINKE ELECTRONICS
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