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Fig. 3.7: Isolated branches – more robust layout
•
in report-by-exception networks the load of hops connecting the centre to major repeaters forms
the bottle-neck of total network capacity. Moving these hops to another channel, or, even better, to
a wire (fibre, microwave) links can multiply the throughput of the network. It saves not only the load
itself, it also significantly reduces the probability of collision. More on that in the following chapter
3.6..
3.6. Hybrid networks
If an extensive area needs to be covered and multiple retranslation would be uneconomical or unsuitable,
RipEX's can be interconnected via any IP network (WLAN, Internet, 3G, etc.). This is quite simple be-
cause RipEX is a standard IP router with an ethernet interface. Consequently interconnecting two or
more RipEX's over a nested IP network is a standard routing issue and the concrete solution depends
on that network.
3.7. Assorted practical comments
Let us mention few issues, whose influence on network reliability or performance is sometimes neglected
by less experienced planners:
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Centre
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Network planning
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