Ess Failover Examples; Example 1: Main Servers Fail - Avaya ESS User Manual

ESS failover examples

The following examples are fabricated to illustrate ESS functionality. The examples illustrate
LAN/WAN and server failures in different configurations.

Example 1: Main servers fail

In Example 1, (see
environment. Two ESS servers have been positioned in the network. Through administration on
the Main server, an S8700 Media Server has been selected as the primary backup to the Main
server. An S8500 Media Server is acting as a secondary backup in case of an S8700 ESS
server failure or WAN fragmentation. The intent of the ESS configuration for Example 1 is to
keep all Port Networks under the control of a single server.
Figure 1) the S8710 Media Server is acting as the Main server in an ESS
ESS failover examples
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