An Avaya Aura® Device Services cluster requires Avaya Aura® Device Services servers that belong to the same network, with one seed node and up to 27 additional nodes.

The installation of a cluster consists of installing the Avaya Aura® Device Services server on all the nodes, by following a process similar to the single-server installation, while also configuring cluster-specific details.

Resource profiles

You must use the same profile for each Avaya Aura® Device Services server in a cluster. Mixed profile clusters are not supported. For example, your cluster cannot consist of one Profile 1 server and three Profile 5 servers. All servers in the cluster must use either Profile 1 only or Profile 5 only.

Redundancy

For redundancy, you require multiple nodes and a virtual IP address or an external load balancer. The client applications use the FQDN that resolves to the virtual IP address or the FQDN of the load balancer to gain access to Avaya Aura® Device Services.

Load balancer

If you use the embedded Avaya Aura® Device Services load balancing mechanism, you must configure a virtual IP master node and a virtual IP backup node. The virtual IP address must be in the same subnet as the Avaya Aura® Device Services nodes.

• The virtual IP master node is the initial node and handles the Avaya Aura® Device Services requests by default.

• The virtual IP backup node is an additional node that handles the load balancing functions when the master node is not functioning.