Shulou(Shulou.com)06/01 Report--

1. What is a video gateway?

Video gateway is a kind of protocol converter, also known as inter-network connector, video gateway is above the network layer to achieve network interconnection, that is, network interconnection. Is the most complex network interconnection device, used for the interconnection of two networks with different high-level protocols. Video gateway can be used for both wide area network interconnection and local area network interconnection. A gateway is a computer system or device that acts as an important task of transformation. Used between two systems with different communication protocols, data formats or languages, or even with completely different architectures.

2. Characteristics of video gateway

A video gateway is a node that connects two or more administratively different networks / subnets and is a store-and-forward device.

Video gateway is a high-performance embedded multi-function media gateway device, which integrates core functions such as streaming media protocol conversion, streaming media distribution service, multi-channel video decoding, video picture segmentation and so on.

3. Basic terminology

1. The transmission gateway is used to establish a transmission connection between the two networks. Using transmission gateways, cascaded, point-to-point transmission connections across multiple networks can be established between hosts on different networks.

2. The application gateway performs protocol conversion on the application layer. For example, one host implements the ISO e-mail standard, and the other implements the Internet e-mail standard. If the two hosts need to exchange e-mail, they must convert the protocol through an e-mail gateway, which is an application gateway.

D300plus/pro Video Gateway is a high-performance embedded multi-function media gateway device, which integrates core functions such as streaming media protocol conversion, streaming media distribution service, multi-channel video decoding, video picture segmentation and so on. It can be applied to format video conversion, protocol interworking, decoding output, segmented display of video content from different systems, different manufacturers, different types and different codes. At the same time, it can also realize the function of streaming media server with less than 100 concurrent access ability. It can be used to monitor the conversion to live broadcasting, to convert GB28181,RTSP to RTMP,UDP to RTMP, and to monitor access to the public security network.

4. Set up the gateway

Automatic setup is the use of DHCP servers to automatically assign IP addresses, subnet masks and default gateways to computers on the network. The advantage of this is that once the default gateway of the network changes, as long as you change the setting of the default gateway in the DHCP server, all computers in the network will get the IP address of the new default gateway. This method is suitable for networks with large network scale and possible change of TCP/IP parameters.

5. Application scenarios

It can be used for format video conversion, protocol interworking, decoding output, split display of video content from different systems, different manufacturers, different types and different codings. at the same time, it can also realize the streaming media server function with less than 100 concurrent access ability. Can be used for monitoring to live broadcast, monitoring to GB28181,RTSP to RTMP,UDP to RTMP, monitoring to public security network, etc.

6. Function value

More extensive: the monitoring field of vision has been infinitely expanded, covering a large number of Skynet monitoring blind areas

Save time: save a lot of manpower and time required for video copying

More savings: make full use of existing networks and equipment to significantly reduce access costs

More secure: multi-layer isolation, high stability, does not affect the operation of the original system

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