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What is the difference between DNS Load Balancing and Cluster Aliasing?

April 26, 2017Aliasing cluster DNS load

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What is the difference between DNS Load Balancing and Cluster Aliasing?

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DNS Load Balancing is a MultiNet feature that allows you to direct a request for a given service to the least busy node. It is primarily used for TCP based services (e.g., Telnet, FTP). DNS Load Balancing is configured through DNS and with the CLUSTER-SERVICE-NAMES parameter as discussed in the Host Tables and DNS chapter of the Administrator’s Guide. When a client wants to connect (TELNET, for example) to your cluster, they issue the command against the CLUSTER-SERVICE-NAMES hostname (e.g., TELNET CLUSTER. PROCESS.COM). Before the client can connect, it must resolve CLUSTER.PROCESS.COM into an IP address. When the client asks the MultiNet nameserver for this resolution, the results (i.e., the IP addresses for your cluster nodes) are ordered from least busy to most busy. Cluster Aliasing is a functionality of MultiNet that allows failover in the event a cluster member becomes unavailable. It is primarily intended for use with UDP based services (e.g., NFS). To use this feature, choose