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Media transmission method and system between high and low density networks

A media transmission and high-density network technology, applied in the field of media transmission methods and systems between high-density and low-density networks, to achieve low expansion costs, improve security, and reduce the limitations of media stream transmission

Active Publication Date: 2019-04-19
KYLAND TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this technical solution is that the high and low density networks are connected by audio and video lines, and there is a certain transmission risk; due to the limitation of the number of audio and video lines for transmission, the number of codecs is fixed. The number of video transmissions needs to increase the encoder equipment and the corresponding number of decoder equipment

Method used

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  • Media transmission method and system between high and low density networks
  • Media transmission method and system between high and low density networks
  • Media transmission method and system between high and low density networks

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0025] figure 1 It is a flow chart of a media transmission method between high-density and low-density networks provided by Embodiment 1 of the present invention. This embodiment is applicable to the case of media stream transmission between high-density networks and low-density networks. This method can be implemented by the present invention The example provides a media transmission system between high and low density networks, which can be implemented in software and / or hardware, and can generally be integrated in various general-purpose computer devices, such as figure 1 As shown, the media transmission method between high and low density networks in this embodiment specifically includes the following steps:

[0026] Step 110, the low-density network center obtains the low-density network media push request.

[0027] Among them, the low-density network center is used on the side of the low-density network to schedule the data resources in the low-density network according...

Embodiment 2

[0051] figure 2 It is a flowchart of a media transmission method between high-density and low-density networks provided by Embodiment 2 of the present invention. This embodiment is further refined on the basis of the previous embodiment, and a media push module is provided to send media push requests from low-density networks to The specific implementation steps of pushing the media data and media association information indicated in , to the high-density network under the control of the security isolator. Combine below figure 2 A method for media transmission between high-density and low-density networks provided in Embodiment 2 of the present invention is described, including the following steps:

[0052] Step 210, the low-density network center obtains the low-density network media push request.

[0053] Step 220, the media push module encapsulates the media data using the user datagram protocol, and sends it to the security isolator based on the real-time transport pro...

Embodiment 3

[0075] image 3 It is a flowchart of a media transmission method between high-density and low-density networks provided by Embodiment 3 of the present invention. This embodiment further explains on the basis of the above-mentioned embodiments. The specific implementation steps of pushing the media data and media related information to the high-density network under the control of the security isolator and the specific implementation steps of the media receiving module pushing the media related information to the high-density network center are combined below image 3 A method for media transmission between high-density and low-density networks provided by Embodiment 3 of the present invention is described, including the following steps:

[0076] Step 310, the low-density network center obtains the low-density network media push request.

[0077] Step 320, the media push module adds the source address and source port identifier of the media data to the message, and pushes it t...

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Abstract

The embodiment of the invention discloses a media transmission method and system between high and low density networks. The method comprises the following steps: a low density network center obtains amedia push request; the low density network center controls a media push module to push to-be-pushed media data and media association information indicated in a low density network media push requestto a high density network under the control of a security isolator; and the high density network receives the media data and the media association information sent by the security isolator, and controls to play or stop playing the media data according to a media playing control instruction initiated by a user through the media association information. By adoption of the technical scheme of the embodiment of the invention, the limitation of media stream transmission between the high and low density networks can be reduced.

Description

technical field [0001] The embodiments of the present invention relate to network data transmission technology, and in particular to a method and system for media transmission between high-density and low-density networks. Background technique [0002] High-density network (Height Secret Network, HSN) and low-density network (Low Secret Network, LSN) have many application scenarios in the existing technology, such as IPTV network and Internet, internal monitoring network and external network, etc. A high-density network is a network with a higher level of security, while a low-density network is a network with a relatively lower level of security and more openness. [0003] In view of the difference in the level of network security, the data transmission between the high-density network and the low-density network is not equal. In the prior art, the high-density network can only passively accept data information sent from the low-density network, while the high-density netw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/239H04N21/254H04N21/258H04N21/472H04N21/482H04N21/643H04N21/6437H04N21/6587
CPCH04N21/2393H04N21/2541H04N21/25875H04N21/47202H04N21/4825H04N21/64322H04N21/6437H04N21/6587
Inventor 冯卫林
Owner KYLAND TECH CO LTD
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