Scenario 1
In this scenario, shown in the figure below, data traffic can be conducted through the backup.com domain to reduce the network traffic on the production domains. This scenario requires the following data interface pairs:
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ma1.backup.com and client.backup.com
This data interface pair transmits data through the backup.com domain. The default network interface for the client is client.prod1.com, and the default network interface for the MediaAgent1 is ma1.prod1.com.
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ma1.backup.com and ma2.backup.com
This data interface pair conducts auxiliary copy operations over the backup.com domain. The default network interface for MediaAgent2 is ma2.prod2.com.
Scenario 2
In this scenario, shown in the figure below, the client computer and MediaAgent computers are located in a different city than the CommServe computer. In this scenario, communication can be made more efficient by adding a third domain (backup.com), and defining a data interface pair between the client (client.backup.com) and the MediaAgent (ma.backup.com).
The default network interface for the client is client.prod.com, and the default network interface for the MediaAgent is ma.prod2.com.

Scenario 3
In this scenario, shown in the figure below, all of the infrastructure components reside within the same domain. Adding a data interface pair between Client2 and MediaAgent1 (ma2.prod.com and client2.prod.com) results in more efficient network communication.

