ELM Advanced Architectures

Forwarding to a Central ELM Server

An ELM Server can forward any Alert, Event, Syslog message or SNMP trap to another ELM Server. Forwarding events from one ELM Server to another enables you to design and deploy ELM in a tiered manner, or to monitor multiple locations from a centralized location. Because all data sent from one ELM Server to another is encrypted, you can safely locate ELM Servers within a DMZ, enabling real-time monitoring and notification without compromising security.

ELM Standby Server

ELM supports disaster recovery plans by providing an option for a Standby ELM Server in addition to the Home ELM Server. When the Home ELM Server is not available, select Service Agents assigned to a special category will automatically "swing" over and connect to a Standby ELM Server to continue reporting functions. When the Home ELM Server is available again, the agents can automatically or manually be triggered to swing back once you determine the Home environment to be stable and ready. The Home and Standby Servers can each run their own primary database, or they could connect to the same remote database server.

In the illustration above, the ELM Home Servers at each location are also licensed to act as a Standby Server for the other location. For example, if the Washington ELM Home Server went offline due to a hardware failure, the service agents reporting to it would automatically execute their instructions to point to the Standby Server WA (TX Home Server) and begin reporting their data here until connectivity with Home Server can be restored.