Technique for enabling remote data access and manipulation from a pervasive device

• US 20020178211A1
• Filed: 05/03/2001
• Published: 11/28/2002
• Est. Priority Date: 05/03/2001
• Status: Active Grant

• Current Assignee: Clouding Corporation (Marathon Patent Group, Inc.)
• Original Assignee: Reefedge Inc. (Gen Digital Inc.)
• Inventors: Singhal, Sandeep Kishan, Sanders, Darren Michael, Levinson, Barry Eliot
• Granted Patent: US 6,925,481 B2
• Time in Patent Office: Days
• US Class Current: 709/201
• CPC Class Codes: H04L 67/06 specially adapted for file transfer, e.g. file transfer protocol [FTP]
• CPC Class Codes: H04L 67/56 Provisioning of proxy services store-and-forward switching systems in data switching networks H04L12/54
• CPC Class Codes: H04L 67/564 Enhancement of application control based on intercepted application data
• CPC Class Codes: H04L 67/565 Conversion or adaptation of application format or content adding application control or application functional data H04L67/561
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

Methods, systems, and computer program instructions for enabling users of pervasive devices to remotely access and manipulate information in ways that might otherwise be impossible or impractical because of inherent limitations of the device. The disclosed techniques enable a wide variety of data manipulation operations to be performed on behalf of the pervasive device, for a wide variety of content types. In preferred embodiments, no modifications or add-ons are required to the pervasive device.

Claims

1. A method of enabling data access and manipulation from a pervasive device, comprising steps of:

receiving a data access request from a pervasive device;

obtaining the requested data;

determining what data manipulation operations are available for the obtained data, as well as a location of each available data manipulation operation; and

returning the determined data manipulation operations and locations to the pervasive device, in addition to the obtained data.

2. The method according to claim 1, further comprising steps of:

requesting operation of a selected one of the determined data manipulation operations; and

performing the requested operation, wherein the performing step is executed by another device on behalf of the pervasive device.

3. The method according to claim 1, where in the determining step further comprises determining what data manipulation operations are available for a content type of the obtained data.

4. The method according to claim 3, wherein the determining step further comprises determining what data manipulation operations are available for a user of the pervasive device.

5. The method according to claim 3, wherein the determining step further comprises determining what data manipulation operations are available for a current location of the pervasive device.

6. The method according to claim 1, wherein the determining step further comprises determining what data manipulation operations are available for a user of the pervasive device.

7. The method according to claim 6, wherein the step of determining what data manipulation operations are available for the user of the pervasive device further comprises obtaining information about the user from a protocol header of the data access request.

8. The method according to claim 6, wherein the step of determining what data manipulation operations are available for the user of the pervasive device further comprises obtaining information about access privileges of the user.

9. The method according to claim 8, wherein the information about access privileges of the user is obtained from a repository which stores access privilege information.

10. The method according to claim 1, wherein the determining step further comprises determining what data manipulation operations are available for a user group of which a user of the pervasive device is a member.

11. The method according to claim 1, wherein the determining step further comprises determining what data manipulation operations are available for a current location of the pervasive device.

12. The method according to claim 11, wherein the step of determining what data manipulation operations are available for the current location of the pervasive device further comprises accessing a global positioning system (“

GPS”

) function of the pervasive device or a location registry associating the pervasive device with a plurality of access points.

13. The method according to claim 1, wherein the determining step further comprises determining what data manipulation operations are available for the pervasive device.

14. The method according to claim 13, wherein information used in the step of determining what data manipulation operations are available for the pervasive device is obtained from a protocol header which specifies types of content accepted by the pervasive device.

15. The method according to claim 13, wherein information used in the step of determining what data manipulation operations are available for the pervasive device is obtained from a protocol header which specifies browser capabilities of a browser operating on the pervasive device.

16. The method according to claim 13, wherein information used in the step of determining what data manipulation operations are available for the pervasive device is obtained by analyzing capability information provided by the pervasive device.

17. The method according to claim 13, wherein information used in the step of determining what data manipulation operations are available for the pervasive device is obtained from a repository which specifies capabilities of the pervasive device.

18. The method according to claim 2, wherein the requested operation is a file storage operation.

19. The method according to claim 2, wherein the requested operation is a print operation.

20. The method according to claim 2, wherein the requested operation is one of a fax operation, an e-mail operation, a project operation, or a voice mail application.

21. The method according to claim 2, further comprising the step of annotating selected ones of the locations of the determined data manipulation operations with an identifier of respective ones of the obtained data.

22. The method according to claim 2, further comprising the step of annotating selected ones of the returned data manipulation operations and locations with one or more cookies which were present on the received data access request.

23. The method according to claim 2, further comprising the step of annotating selected ones of the returned data manipulation operations and locations with one or more parameters for use by the performing step.

24. The method according to claim 23, wherein a selected set of the parameters which are returned to the pervasive device and provided in the requesting step and are then used by the performing step.

25. The method according to claim 23, wherein the annotating step is performed by a protocol proxy component which receives the data access request in the receiving step, and wherein the annotating step is performed prior to operation of the returning step.

26. The method according to claim 25, wherein the determining and returning steps are performed by the protocol proxy.

27. The method according to claim 25, wherein the protocol proxy receives requests and transmits responses using Hypertext Transfer Protocol (“

HTTP”

) messages.

28. The method according to claim 25, wherein the protocol proxy receives requests and transmits responses using Wireless Session Protocol (“

WSP”

) messages.

29. The method according to claim 25, wherein the protocol proxy receives requests and transmits responses using Simple Mail Transfer Protocol (“

SMTP”

), Post Office Protocol (“

POP”

or “

POP3”

), or Internet Message Access Protocol (“

IMAP”

) messages.

30. The method according to claim 25, wherein the protocol proxy receives requests and transmits responses using a synchronization protocol.

31. The method according to claim 25, wherein the protocol proxy is configured to accept requests from the pervasive device.

32. The method according to claim 25, wherein the protocol proxy and the pervasive device communicate through a wireless access point.

33. The method according to claim 2, wherein:

the locations comprise address information for each determined data manipulation operation;

the requesting operation step further comprises issuing a request using the address information of the selected data manipulation operation; and

the performing step further comprises executing a service which is located using the address information of the issued request.

34. The method according to claim 1, wherein the returning step further comprises returning at least one graphical symbol or icon for particular ones of the returned data manipulation operations and locations.

35. The method according to claim 1, wherein the determining step further comprises accessing a data structure to locate information used by the returning step, wherein the data structure stores information about the data manipulation operations that are available for the obtained data and the location of each available data manipulation operation.

36. The method according to claim 35, wherein new data manipulation operations are supported for use in the determining step by adding information about the new data manipulation operations and the location of each new data manipulation operation to the data structure.

37. The method according to claim 1, wherein the determining step further comprises:

accessing a data structure to locate information used by the returning step, wherein the data structure stores information about the data manipulation operations that are available for the obtained data; and

dynamically determining the location of each available data manipulation operation.

38. The method according to claim 37, wherein the dynamically determining step further comprises evaluating at least one of current processor load and current network conditions.

39. The method according to claim 2, wherein the requesting step is performed by a user of the pervasive device.

40. The method according to claim 2, wherein the requesting step is performed programmatically without intervention of a user of the pervasive device.

41. The method according to claim 2, further comprising the step of programmatically requesting, by a protocol proxy, a selected data manipulation operation on the obtained data, and wherein the returning step returns a result of the selected data manipulation operation as the obtained data.

42. The method according to claim 1, further comprising the step of automatically invoking one or more of the determined data manipulation operations.

43. The method according to claim 42, wherein the automatically invoking step operates before the returning step.

44. The method according to claim 1, further comprising the steps of:

determining one or more selected data manipulation operations that should be performed automatically on the obtained data;

performing the selected data manipulation operations on the obtained data, thereby creating transformed data; and

using the transformed data as the obtained data for the step of determining what data manipulation operations are available.

45. The method according to claim 2, further comprising the step of dispatching the requested operation, by a manager which receives the operation request, to the other device prior to operation of the performing step.

46. The method according to claim 45, further comprising the step of passing information to the manager along with the operation request, wherein the passed information enables the manager to ensure that the performing step operates on data which is identical to the returned data.

47. The method according to claim 46, wherein the passed information comprises one or more cookies which are present in a header of the data access request.

48. The method according to claim 1, wherein operation of the steps requires no additional software on the pervasive device.

49. The method according to claim 1, wherein operation of the steps requires no additional hardware on the pervasive device.

50. A system for enabling data access and manipulation from a pervasive device, comprising:

means for receiving a data access request from a pervasive device;

means for obtaining the requested data;

means for determining what data manipulation operations are available for the obtained data, as well as a location of each available data manipulation operation; and

means for returning the determined data manipulation operations and locations to the pervasive device, in addition to the obtained data.

51. The system according to claim 50, further comprising:

means for requesting operation of a selected one of the determined data manipulation operations; and

means for performing the requested operation, wherein the means for performing is executed by another device on behalf of the pervasive device.

52. Computer program instructions for enabling data access and manipulation from a pervasive device, the computer program instructions embodied on one or more computer readable media and comprising:

computer program instructions for receiving a data access request from a pervasive device;

computer program instructions for obtaining the requested data;

computer program instructions for determining what data manipulation operations are available for the obtained data, as well as a location of each available data manipulation operation; and

computer program instructions for returning the determined data manipulation operations and locations to the pervasive device, in addition to the obtained data.

53. The computer program instructions according to claim 52, further comprising:

computer program instructions for requesting operation of a selected one of the determined data manipulation operations; and

computer program instructions for performing the requested operation, wherein the means for performing is executed by another device on behalf of the pervasive device.

54. A method of enabling a pervasive device to access and manipulate remotely-stored data, comprising steps of:

receiving a data access request from the pervasive device;

obtaining the requested data;

determining what data manipulation operations are available for the obtained data, as well as a location of each available data manipulation operation; and

returning the determined data manipulation operations and locations to the pervasive device, in addition to the obtained data.

55. A method of accessing and manipulating remotely-stored data from a pervasive device, comprising steps of:

requesting an access of the remotely-stored data from the pervasive device; and

receiving the requested data at the pervasive device, along with information about one or more data manipulation operations that have been determined to be available for the obtained data.

56. The method according to claim 56, wherein the information further comprises a location of each available data manipulation operation.

57. The method according to claim 56, further comprising the step of requesting operation of a selected one of the data manipulation operations.