Based on your license, the PowerCenter Integration Service is resilient to the temporary unavailability of PowerCenter Integration Service clients and external components such databases and FTP servers.
The PowerCenter Integration Service tries to reconnect to PowerCenter Integration Service clients within the PowerCenter Integration Service resilience timeout period. The PowerCenter Integration Service resilience timeout period is based on the resilience properties that you configure for the PowerCenter Integration Service, PowerCenter Integration Service clients, and the domain. The PowerCenter Integration Service tries to reconnect to external components within the resilience timeout for the database or FTP connection object.