Patent ID: 8290912
Filing Date: 2012-10-16
Classification: G06F

Abstract:
1. A computer implemented method comprising: managing one or more virtual layers in a client computer by a virtualization agent included in the client computer, the virtualization agent being configured to make applications that reside in active virtual layers available and indistinguishable from conventionally installed applications by redirecting system calls for the application's files, processes, and settings to a predetermined redirection area of a corresponding virtual layer; initiating a backup procedure on a backup server to backup selected data corresponding to a selected virtual layer of the one or more virtual layers on the client computer; sending backup messages corresponding to the selected data to the client computer, responsive to the procedure; receiving the backup messages at a backup agent on the client computer from the backup server; in response to the backup agent on the client computer determining the selected data corresponds to the selected virtual layer of the one or more virtual layers, the backup agent: