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1. (WO2010077222) SYNCHRONIZATION OF CONFIGURATIONS FOR DISPLAY SYSTEMS
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Claims

1. A method, comprising: ascertaining whether a first configuration information from a first server at a facility is different from a second configuration information from a second server; and if so, synchronizing the first configuration information and the second configuration information based on at least one of: a state of the facility, and a relationship between the first server and the second server; wherein the first configuration information and the second configuration information relate to configuration of at least one device at the facility.

2. The method of claim 1, wherein the synchronizing step further comprising: if the second server has a master status with respect to the first server, replacing the first configuration information on the first server by the second configuration information.

3. The method of claim 2, further comprising: reconfiguring the first server in accordance with the second configuration information.

4. The method of claim 1 , wherein the synchronizing step further comprising: if the first server has a master status with respect to the second server, replacing the second configuration information on the second server by the first configuration information.

5. The method of claim 1, wherein the state of the facility relates to an operating state of the facility.

6. The method of claim 1 , wherein the first server and the at least one device are components of an in-store advertising system.

7. The method of claim 1, wherein the first and second configuration information are provided in extensible markup language (XML) files.

8. The method of claim 7, wherein the synchronizing step further comprises: if the second server has a master status with respect to the first server, replacing the first configuration information on the first server by the second configuration information; and if the first server has a master status with respect to the second server, replacing the second configuration information on the second server by the first configuration information.

9. The method of claim 7, wherein the ascertaining step further comprises: generating a first checksum value corresponding to the first configuration information on the first server; generating a second checksum value corresponding to the second configuration information stored at the second server; and comparing the first checksum value and the second checksum value.

10. The method of claim 9, wherein the first checksum and the second checksum are generated by using message digest algorithm 5 (MD5).

11. A system, comprising: a first server connected to at least one device at a facility; a second server at a location different from the facility; the second server configured for synchronizing a first configuration information on the first server and a second configuration information on the second server based on one of: a state of the facility, and a relationship between the first server and the second server; wherein the first configuration information and the second configuration information include information relating to the at least one device.

12. The system of claim 11 , wherein the second server is further configured for replacing the first configuration information on the first server by the second configuration information from the second server if the second server has a master status with respect to the first server.

13. The system of claim 11, wherein the second server is further configured for replacing the second configuration information on the second server by the first configuration information from the first server if the first server has a master status with respect to the second server.

14. The system of claim 11 , wherein the first server and the at least one device are components of an in-store advertising system.

15. The system of claim 11, wherein the first configuration information and the second configuration information are provided in extensible markup language (XML) files.