One-way streaming media transmission method and system

Abstract

The invention provides a one-way streaming media transmission method and system. The one-way streaming media transmission method comprises the steps that a first central processing unit receives streaming media data packets sent by intranet streaming media and counts the received streaming media data packets; wherein the streaming media data is RTP (Real-time Transport Protocol) packet data; when the number of the streaming media data packets meets a preset value, FEC coding is carried out on the streaming media data packets meeting the number, and coded data packets are obtained; and sequentially sending the streaming media data packet and the coded data packet to a second central processing unit, and sending the streaming media data packet to an external network streaming media server by the second central processing unit. According to the invention, the FEC coding is carried out on the rtp data packet of the media stream, the coded redundant data is packaged into the RTP packet, the RTP packet is transmitted to the other end, and when the other end detects the packet loss, recovery is carried out through the redundant data, so that the data transmission reliability is improved, and the end-to-end response speed of the transmission streaming media is improved.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a unidirectional streaming media transmission method and system. Background technique [0002] Some important network systems contain a large amount of sensitive information and confidential data. According to different businesses and functions, they are generally divided into different network security domains, such as business network, security network, external network, etc.; these networks are closely connected Information exchange requirements, but also the security issues of information exchange. [0003] At present, there are some devices that also have the above-mentioned one-way transmission streaming function, such as one-way import system (using optical fiber), optical gate (using logic gate), etc. These products are used as general one-way data transmission systems. When transmitting data, first divide the large data packet into N small data packets, label ea...

AI Technical Summary

Problems solved by technology

[0003] At present, there are some devices that also have the above-mentioned one-way transmission streaming function, such as one-way import system (using optical fiber), optical gate (using logic gate), etc. These products are used as general one-way data transmission systems. When transmitting data, first divide the large data packet into N small data packets, label each data packet, and transmit them one by one. When passing through the other end, the channel labels are combined to restore the original large data packet. Direct transmission is unreliable and prone to packet loss. For the transmission of streaming media, such as figure 2 As shown, according to the above process, a certain amount of data needs to be cached before it can be unpacked, labeled, passed to the other side and then combined, and then the entire package of streaming media data is provided to the streaming media server to provide streaming media for the other end Serve

However, this method has problems such as poor reliability of one-way transmission and slow transmission response.

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