Ceiec Electric Technology
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3.2.2 Dual Networking
The architecture shown in Figure 3-4 provides physical networking redundancy for applications where
data availability and security are of critical importance. The dual networking topology provides a
backup backbone which allows communications to be re-routed at the application level in the event
that the main backbone fails. The dual Ethernet configuration is slightly different from the “true”
redundant configuration where in the case of a “true” redundant configuration the failure in one of
the backbones will not affect system communications because existing connections will be
automatically re-routed from the faulty network to the redundant network transparently in such a way
that the system never experiences any interruptions.
Figure 3-4 Dual Networking
