Installation Scenarios
The following sections briefly describe some of the common deployment scenarios that are addressed by ESC.
Cisco Elastic Services Controller can be installed in different modes as per the requirement. These different modes are configured during installation. The following sections briefly describe some of the common deployment scenarios that are addressed by ESC.
ESC Standalone
In the standalone scenario, a single active VM is deployed for ESC.
ESC with HA
ESC supports High Availability (HA) in the form of Active/Standby and Active/Active models. For Active/Standby model, two ESC instances are deployed in the network to prevent ESC failure and to provide ESC service with minimum interruption. If the active ESC instance fails, the standby instance automatically takes over the ESC services. ESC HA resolves the following single point failures of ESC:
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Network failures
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Power failures
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Dead VM instance
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Scheduled downtime
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Hardware issues
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Internal application failures
Note |
Installing or upgrading software on the ESC VM is not supported. For further assistance, contact Cisco TAC. |
For more information on Installing ESC HA Active/Standby, see Installing Cisco Elastic Services Controller Using the QCOW Image and Installing Cisco Elastic Services Controller on VMware vCenter.
For more information on the Active/Active model, see ESC HA Active/Active Overview Chapter.