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Why use IGMP<br />
<strong>iMPath</strong><br />
N e t w o r k s<br />
For example:<br />
With 25 cameras deployed,<br />
Digital Backbone; each transmitting ATM, SONET, at 5 LAN, Mbps, Gigabit Ethernet...<br />
you will have over 125 Mbps of traffic<br />
on your network<br />
100Base-T<br />
100Base-T<br />
100Base-T<br />
L2 Switch<br />
Encoder<br />
L2 Switch<br />
On a 100 Mbps interface (optics or electrical) you<br />
Encoder<br />
cannot pass more then 100 Mbps of traffic.<br />
L2 Switch<br />
Decoder<br />
L2 Switch<br />
Decoder<br />
L2 Switch<br />
Encoder<br />
L2 Switch<br />
Encoder<br />
Decoder<br />
Decoder<br />
L2 Switch<br />
Encoder<br />
L2 Switch<br />
L2 Switch<br />
L2 Switch<br />
L2 Switch<br />
Encoder<br />
Encoder<br />
Encoder<br />
Encoder<br />
In fact L2 Switch a typical recommendation in the<br />
Encoder<br />
industry is not to exceed 70% of the bandwidth<br />
in any segment.<br />
L2 Switch<br />
Encoder<br />
L2 Switch<br />
Encoder<br />
L2 Switch<br />
Encoder<br />
L2 Switch<br />
Encoder<br />
Decoder<br />
Decoder<br />
Decoder<br />
Decoder<br />
Combined 125 Mbps of traffic<br />
Virtual Matrix Control Console<br />
•Displays video to monitors<br />
•Controls camera PTZ<br />
PROBLEM<br />
on these interfaces.<br />
The capacity of this network is<br />
exceeded with only 25 cameras<br />
Virtual Matrix Control Console<br />
•Displays video to monitors<br />
•Controls camera PTZ<br />
Typical field encoder collector network<br />
Control Center # 1<br />
Control Center # 2
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