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Method for selecting transmission protocol based on client terminal feedback

A transmission protocol and client-side technology, applied in the field of computer multimedia, can solve problems such as aggravating network congestion, large network bandwidth, and multiple network resources, and achieve the effect of improving intelligence and adaptability, increasing payload, and ensuring viewing effects.

Inactive Publication Date: 2003-03-12
TSINGHUA UNIV
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0022] Although using the TCP protocol is far superior to the UDP protocol in terms of transmission reliability, compared with UDP, TCP needs to occupy larger network bandwidth and consume more network resources. At the same time, its packet loss and retransmission mechanism may aggravate the network Congestion, which eventually leads to the collapse of the network

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  • Method for selecting transmission protocol based on client terminal feedback
  • Method for selecting transmission protocol based on client terminal feedback
  • Method for selecting transmission protocol based on client terminal feedback

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Embodiment Construction

[0066] A method for selecting a transmission protocol based on client feedback proposed by the present invention is described in detail in conjunction with the accompanying drawings and specific embodiments as follows:

[0067] The overall scheme of the method of the present invention is as figure 2 shown, including the following steps:

[0068] 1) Three playback modes are pre-set: mandatory TCP, default UDP and protocol negotiation;

[0069] 2) When the client chooses to force TCP, there is no test between the client and the server, and the server directly adopts TCP as the transmission protocol and sends the video data packet;

[0070] 3) When the client chooses the default UDP, the connection between the client and the server is not tested, and the server directly adopts UDP as the transmission protocol and sends the video data packet;

[0071] 4) When the client chooses protocol negotiation, the client and the server need to be tested. According to the test results, the...

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Abstract

The invention belongs to the technique area of the computer multi-media. The invention includes the following three steps. Three playback modes: the forcible TCP, the default UDP and the negotiated protocol are preset at the user end. When the user selects the forcible TCP, the server takes TCP as the transfer protocol without the testing between the server and the client end, down sending the visual data packet. When the user selects the default UDP, the server takes UDP as the transfer protocol without the testing, down sending the visual data packet. When the user selects the negotiated protocol, the testing is needed, the server accepts the negotiated protocol, and then down sending the visual data packet. The invention makes the client end possible to select suitable playback protocol in order to obtain the best effect for viewing.

Description

technical field [0001] The invention belongs to the technical field of computer multimedia, in particular to streaming media technology and playback control protocol. Background technique [0002] In the past, most of the data transmitted on the network was text data. Today, with the improvement of multimedia and network technology, multimedia has become an indispensable feature on the Internet. At present, the delivery of multimedia data on the network mainly takes the form of streaming media. Streaming media refers to continuous time-based media such as audio, video or multimedia files using streaming technology over the Internet. Before the streaming media is played, the entire file is not downloaded, but only the beginning part is stored in the memory, and the data stream of the streaming media is transmitted and played at any time, but there is some delay at the beginning. [0003] At present, the main control protocol for multimedia real-time applications on the net...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/12
Inventor 戴琼海李炜段艳丽曾珂
Owner TSINGHUA UNIV
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