A method for use in a system with multiple processor-based devices, the method including: running a first application on a first processor-based device; maintaining a second application in a standby mode on the first processor-based device; and providing a service to each of the first and second applications on the first processor-based device by a service-providing application on the first processor-based device, wherein providing the service includes maintaining a record regarding service statuses of the first application and the second application in which the record stores a respective entry for each of the first and second applications to reflect an active service status for the first application and a standby service status of the second application.