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Barracuda Load Balancer ADC


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You can deploy the Barracuda Load Balancer ADC either as a hardware system or as a virtual system on supported hypervisors.

When you deploy the Barracuda Load Balancer ADC, ensure that your network meets the setup requirements. You must also decide on:

  • Deploying the Barracuda Load Balancer ADC in either a one-armed or two-armed mode.
  • Creating services to load balance traffic at Layer 4 or Layer 7. A service is a combination of a virtual IP (VIP) address and one or more TCP/UDP ports. Traffic arriving at the designated ports for the specified VIP address is directed to one of the real servers that are associated with that particular service. 
  • Configuring Direct Server Return (DSR) for real servers that generate more outbound traffic than inbound traffic.
  • Setting up two Barracuda Load Balancer ADCs in a high availability cluster as an active-passive pair. Only the active unit processes traffic, but both units synchronize their configurations and monitor each other's health. For more information, see High Availability.

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