Scale-out Prism Central deployments consist of multiple nodes running the Prism Central service. Nutanix documentation emphasizes that:
“When deploying multi-node Prism Central, an FQDN backed by DNS can provide request distribution across all Prism Central nodes, enabling load balancing and increased concurrency.”
A Virtual IP in contrast only directs traffic to a single active Prism Central node. Internal behavior notes:
“A VIP is not active-active; it designates one node as primary for all inbound requests.”
“Using an FQDN with DNS round-robin or an external load balancer allows the cluster to distribute workload across all PC nodes.”
The FQDN allows:
distributing API/UI traffic across multiple Prism Central nodes
improving performance under heavy load
enabling parallel query handling
avoiding bottlenecks on the primary node
SSL certificates apply to either VIP or FQDN. Segmentation and resiliency are unrelated to FQDN usage.
Thus, the correct answer is Load Balancing.
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