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Multicast

Multicast is a protocol implemented in all modern network hardware (switches, routers). It is the best way to send a single video stream to a group of machines. In multicast streaming, the stream is sent to a multicast IP address (the IP addresses reserved for this purpose are from 224.0.0.0 to 239.255.255.255). Any machine on the network can join the multicast group by sending a multicast request on the network, and it will then receive the stream. When it sends a request to leave the group, it will automatically stop receiving the stream. The advantage of multicast streaming is that only the machines that want to receive the stream actually receive it, and the streaming server only sends one stream to the designated multicast IP address even if there are multiple clients receiving it.

 

Frame Grabber

A device with 2 primary functions. It converts Video from Analog to Digital and transfers the resultant digital video to a Memory for processing by a computer.

 

 

 

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