Before migrating to Avaya Contact Center – Extended Capacity, ensure the following:

• The network latency without call failures under load between the contact center servers in the same data center is not more than 50 milliseconds.

• The network latency between data centers must not exceed 250 milliseconds.

• Avaya Contact Center – Extended Capacity provides the ability to assign a virtual IP address to the server network interface.

• Layer 2 switches must be connected in a redundant manner in each data center.

For more information about contact center deployment environments and cabling, see the Avaya Contact Center – Extended Capacity overview and planning and pre-configuration sections in Deploying Avaya Contact Center – Extended Capacity.