Methods and systems for accessing remote user files associated with local resources

• US 9,418,081 B2
• Filed: 05/01/2013
• Issued: 08/16/2016
• Est. Priority Date: 10/20/2006
• Status: Active Grant

• Current Assignee: Citrix Systems, Inc. (Cloud Software Group)
• Original Assignee: Citrix Systems, Inc. (Cloud Software Group)
• Inventors: Pedersen, Brad, Braddy, Rick G., Hardwood, William T., Fleck, Christopher
• Primary Examiner(s): Chbouki, Tarek
• Application Number:
  US13/874,754
• Publication Number:
  US 20130246473A1
• Time in Patent Office: 1,203 Days
• US Class Current: 1/1
• CPC Class Codes: G06F 16/27 Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
• CPC Class Codes: H04L 67/1095 Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
• CPC Class Codes: H04L 67/303 Terminal profiles
• CPC Class Codes: H04L 67/306 User profiles
• CPC Class Codes: H04L 67/34 involving the movement of software or configuration parameters network booting or remote initial program loading [RIPL] G06F9/4416
• CPC Class Codes: H04L 67/63 Routing a service request depending on the request content or context

Abstract

A system for accessing, by a resource, a setting in a virtualized user profile includes an isolation environment, a resource, and a filter driver. The resource executes outside an isolation environment on a local machine and requests access to a setting in a user profile. The filter driver intercepts the request for access and identifies one of the isolation environment and a remote machine, responsive to an application of a rule to the request. The filter driver redirects the request to the one of the isolation environment and the remote machine. A method includes intercepting an instruction from a resource to modify a setting on a local machine, the resource provided by a local machine and executing outside of an isolation environment. The method includes identifying the isolation environment, responsive to an application of a rule to the instruction. The method includes redirecting the instruction to the isolation environment.

Claims

1. A method of utilizing a virtualized user profile, the method comprising:

intercepting, by a filter driver executed by a processor of a local machine that has a local copy of a user profile, a first instruction by a first application executing on the local machine, the first instruction seeking to access a first setting in the user profile on the local machine;

identifying, by application of a set of rules to a property of a network connection of the local machine to the remote machine responsive to intercepting the first instruction, that latency is high or that bandwidth is low, wherein the property is one of latency and bandwidth;

determining, responsive to intercepting the first instruction and identifying that latency is high or that bandwidth is low, to use the local copy of the user profile located on the local machine;

directing, by the filter driver, the first instruction to the local copy of the user profile based on determining to use the local copy of the user profile located on the local machine;

intercepting, by the filter driver, a second instruction by a second application executing on the local machine, the second instruction seeking to access a second setting in the user profile on the local machine;

identifying, by application of the set of rules responsive to intercepting the second instruction, that latency is low and bandwidth is high;

determining, responsive to intercepting the second instruction and identifying by application of the set of rules to the property of the network connection that latency is low and bandwidth is high, to use a remote copy of the user profile located on a remote machine instead of the local copy of the user profile; and

directing, by the filter driver, the second instruction to the remote copy of the user profile based on determining to use the remote copy of the user profile located on the remote machine.

2. The method of claim 1, wherein the local copy of the user profile is in an isolation environment provided by the local machine and the application is executing outside of the isolation environment.

3. The method of claim 1, further comprising:

synchronizing the local copy of the user profile and the remote copy of the user profile via a second network connection of the local machine to the remote machine having high bandwidth.

4. The method of claim 1, wherein the instruction accessing a setting in a user profile on the local machine is for accessing one of:

a configuration file, a registry key, and a data file.

5. The method of claim 1, wherein the remote copy of the user profile is in an isolation environment provided by the remote machine.

6. The method of claim 1, further comprising receiving, at the local machine, a request to access the local copy of the user profile from a remote machine.

7. The method of claim 1, further comprising identifying, by the filter driver, a modification to the second setting and transmitting, to the remote machine, an identification of the modification.

8. The method of claim 1, further comprising identifying the set of rules based on the intercepted instruction.

9. The method of claim 1, wherein the set of rules includes a rule for a wireless network link.

10. The method of claim 1, wherein the first instruction is a modification request to modify the first setting, the second setting is the first setting so modified, and the second instruction is a read request to read the second setting, the method further comprising synchronizing the local copy of the user profile and the remote copy of the user profile after intercepting the first instruction and prior to directing the second instruction to the remote copy of the user profile.

11. A system for utilizing a virtualized user profile, the system comprising:

an application executed by a processor of a local machine, wherein the local machine has a local copy of a user profile; and

a filter driver executed by the processor, the filter driver configured to;

intercept a first instruction by the application seeking to access a first setting in the user profile on the local machine;

identify, by application of a set of rules to a property of a network connection of the local machine to the remote machine responsive to intercepting the first instruction, that latency is high or that bandwidth is low;

determine, responsive to intercepting the first instruction and identifying that latency is high or that bandwidth is low, to use the local copy of the user profile located on the local machine;

direct the first instruction to the local copy of the user profile based on determining to use the local copy of the user profile located on the local machine;

intercept a second instruction by the application seeking to access a second setting in the user profile on the local machine;

identifying, by application of the set of rules responsive to intercepting the second instruction, that latency is low and bandwidth is high;

determine, responsive to intercepting the second instruction and identifying by application of the set of rules to the property of the network connection that latency is low and bandwidth is high, to use a remote copy of the user profile located on a remote machine instead of the local copy of the user profile; and

directing the second instruction to the remote copy of the user profile based on determining to use the remote copy of the user profile located on the remote machine.

12. The system of claim 11, wherein the local copy of the user profile is in an isolation environment provided by the local machine and the application is executing outside of the isolation environment.

13. The system of claim 11, the filter driver further configured to

synchronize the local copy of the user profile and the remote copy of the user profile via a second network connection of the local machine to the remote machine having high bandwidth.

14. The system of claim 11, wherein the instruction accessing a setting in a user profile on the local machine is for accessing one of:

a configuration file, a registry key, and a data file.

15. The system of claim 11, wherein the remote copy of the user profile is in an isolation environment provided by the remote machine.

16. The system of claim 11, the filter driver further configured to receive, at the local machine, a request to access the local copy of the user profile from the remote machine.

17. The system of claim 11, the filter driver further configured to identify a modification to the second setting and transmit, to the remote machine, an identification of the modification.

18. The system of claim 11, the filter driver further configured to identify the set of rules based on the intercepted instruction.

19. The system of claim 11, wherein the set of rules includes a rule for a wireless network link.

20. The system of claim 11, wherein the first instruction is a modification request to modify the first setting, the second setting is the first setting so modified, and the second instruction is a read request to read the second setting, the filter driver further configured to synchronize the local copy of the user profile and the remote copy of the user profile after intercepting the first instruction and prior to directing the second instruction to the remote copy of the user profile.