Network load control
Basic - L3P
Release
4.0
11/07
8.2
Multicast application
7
8.2.2 Example of a Multicast application
The cameras for monitoring machines normally transmit their images to mon-
itors located in the machine room and to the monitoring room. In an IP trans-
mission, a camera sends its image data with a Multicast address via the
network.
To prevent all the image data from slowing down the entire network, the
Switch 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 34: 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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