Network Load Control
154
8.2
Multicast Application
UM Basic Configuration L3P
Release
7.1
12/2011
8.2.2 Example of a Multicast Application
The cameras for monitoring machines normally transmit their images to
monitors located in the machine room and to the control room.
In an IP transmission, a camera sends its image data with a Multicast
address via the network.
To prevent all the video data from slowing down the entire network, the
device uses the GMRP to distribute the Multicast address information. As a
result, the image data with a Multicast address is only distributed to those
ports that are connected to the associated monitors for surveillance.
Figure 33: Example: Video surveillance in machine rooms
1st floor
Control room
2nd floor
MICE
h H h H h H
MICE
h H h H h H
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