Event notification

US 20050066018A1
Filed: 08/29/2003
Published: 03/24/2005
Est. Priority Date: 08/29/2003
Status: Active Grant

First Claim

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1. A method comprising:

in response to receiving a request to make a change to data from a first control instance, sending a notification from a server instance to a second control instance, wherein the second control instance sends the notification to a third control instance; and

the third control instance displays the change to the data in response to receiving the notification.

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Abstract

A method, apparatus, computer program product, and computer system for ensuring consistency between data displayed by multiple independent client programs that can simultaneously display server-provided data. The data are accessible only from a server that is not persistently connected to the client computer system(s) displaying the data, so the client programs cannot retrieve the data independently without sending a request to the server. Client programs do not poll the server by sending a request to learn that data capable of being displayed by the multiple client programs have been updated. Instead, client programs are notified by the server program receiving the request to change the data at the time the request is received.

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52 Claims

1. A method comprising:
- in response to receiving a request to make a change to data from a first control instance, sending a notification from a server instance to a second control instance, wherein the second control instance sends the notification to a third control instance; and
  
  the third control instance displays the change to the data in response to receiving the notification.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- - 2. The method of claim 1 wherein the second control instance operates independently of the first control instance.
  - 3. The method of claim 1 wherein the third control instance is one of a plurality of control instances hosted by the second control instance.
  - 4. The method of claim 1 wherein the second control instance does not process the data.
  - 5. The method of claim 1 wherein the first control instance connects to the server instance only when the first control instance sends the request to make the change to the data to the server instance.
  - 6. The method of claim 1 wherein the first control instance does not send a second request to the server instance to determine whether the data have changed.
  - 7. The method of claim 1 wherein the second control instance does not send a second request to the server instance to determine whether the data have changed.
  - 8. The method of claim 1 wherein the third control instance does not send a second request to the server instance to determine whether the data have changed.
  - 9. The method of claim 1 wherein the sending the notification from the server instance to the second control instance comprises sending the notification from the server instance to a fourth control instance, and sending the notification from the fourth control instance to the second control instance.
  - 10. The method of claim 1 wherein the sending the notification from the second control instance to the third control instance comprises sending the notification from the second control instance to a fourth control instance, and sending the notification from the fourth control instance to the third control instance.
  - 11. The method of claim 1 wherein the first control instance does not comprise the second control instance, and the second control instance does not comprise the first control instance.
  - 12. The method of claim 1 wherein the first control instance runs in a first container instance, the second control instance runs in a second container instance, the first container instance does not comprise the second container instance, and the second container instance does not comprise the first container instance.
  - 13. The method of claim 1 wherein the first control instance runs in a first process, the second control instance runs in a second process, the first process does not comprise the second process, and the second process does not comprise the first process.

14. An apparatus comprising:
- first sending means for sending a notification from a server instance to a second control instance in response to receiving a request to make a change to data from a first control instance, wherein the second control instance sends the notification to a third control instance; and
  
  the third control instance displays the change to the data in response to receiving the notification.
- View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
- - 15. The apparatus of claim 14 wherein the second control instance operates independently of the first control instance.
  - 16. The apparatus of claim 14 wherein the third control instance is one of a plurality of control instances hosted by the second control instance.
  - 17. The apparatus of claim 14 wherein the second control instance does not process the data.
  - 18. The apparatus of claim 14 wherein the first control instance connects to the server instance only when the first control instance sends the request to make the change to the data to the server instance.
  - 19. The apparatus of claim 14 wherein the first control instance does not send a second request to the server instance to determine whether the data have changed.
  - 20. The apparatus of claim 14 wherein the second control instance does not send a second request to the server instance to determine whether the data have changed.
  - 21. The apparatus of claim 14 wherein the third control instance does not send a second request to the server instance to determine whether the data have changed.
  - 22. The apparatus of claim 14 wherein the first sending means for sending the notification from the server instance to the second control instance comprise second sending means for sending the notification from the server instance to a fourth control instance, wherein the fourth control instance sends the notification to the second control instance.
  - 23. The apparatus of claim 14 wherein the second control instance sends the notification to the third control instance by sending the notification to a fourth control instance, wherein the fourth control instance sends the notification to the third control instance.
  - 24. The apparatus of claim 14 wherein the first control instance does not comprise the second control instance, and the second control instance does not comprise the first control instance.
  - 25. The apparatus of claim 14 wherein the first control instance runs in a first container instance, the second control instance runs in a second container instance, the first container instance does not comprise the second container instance, and the second container instance does not comprise the first container instance.
  - 26. The apparatus of claim 14 wherein the first control instance runs in a first process, the second control instance runs in a second process, the first process does not comprise the second process, and the second process does not comprise the first process.

27. A computer-readable medium comprising:
- first sending instructions for sending a notification from a server instance to a second control instance in response to receiving a request to make a change to data from a first control instance, wherein the second control instance sends the notification to a third control instance; and
  
  the third control instance displays the change to the data in response to receiving the notification.
- View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
- - 29. The computer-readable medium of claim 27 wherein the third control instance is one of a plurality of control instances hosted by the second control instance.
  - 30. The computer-readable medium of claim 27 wherein the second control instance does not process the data.
  - 31. The computer-readable medium of claim 27 wherein the first control instance connects to the server instance only when the first control instance sends the request to make the change to the data to the server instance.
  - 32. The computer-readable medium of claim 27 wherein the first control instance does not send a second request to the server instance to determine whether the data have changed.
  - 33. The computer-readable medium of claim 27 herein the second control instance does not send a second request to the server instance to determine whether the data have changed.
  - 34. The computer-readable medium of claim 27 wherein the third control instance does not send a second request to the server instance to determine whether the data have changed.
  - 35. The computer-readable medium of claim 27 wherein the first sending instructions for sending the notification from the server instance to the second control instance comprise second sending means for sending the notification from the server instance to a fourth control instance, wherein the fourth control instance sends the notification to the second control instance.
  - 36. The computer-readable medium of claim 27 wherein the second control instance sends the notification to the third control instance by sending the notification to a fourth control instance, wherein the fourth control instance sends the notification to the third control instance.
  - 37. The computer-readable medium of claim 27 wherein the first control instance does not comprise the second control instance, and the second control instance does not comprise the first control instance.
  - 38. The computer-readable medium of claim 27 wherein the first control instance runs in a first container instance, the second control instance runs in a second container instance, the first container instance does not comprise the second container instance, and the second container instance does not comprise the first container instance.
  - 39. The computer-readable medium of claim 27 wherein the first control instance runs in a first process, the second control instance runs in a second process, the first process does not comprise the second process, and the second process does not comprise the first process.

28. The computer-readable medium of 27 wherein the second control instance operates independently of the first control instance.

40. A computer system comprising:
- first sending instructions for sending a notification from a server instance to a second control instance in response to receiving a request to make a change to data from a first control instance, wherein the second control instance sends the notification to a third control instance; and
  
  the third control instance displays the change to the data in response to receiving the notification.
- View Dependent Claims (41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
- - 41. The computer system of claim 40 wherein the second control instance operates independently of the first control instance.
  - 42. The computer system of claim 40 wherein the third control instance is one of a plurality of control instances hosted by the second control instance.
  - 43. The computer system of claim 40 wherein the second control instance does not process the data.
  - 44. The computer system of claim 40 wherein the first control instance connects to the server instance only when the first control instance sends the request to make the change to the data to the server instance.
  - 45. The computer system of claim 40 wherein the first control instance does not send a second request to the server instance to determine whether the data have changed.
  - 46. The computer system of claim 40 wherein the second control instance does not send a second request to the server instance to determine whether the data have changed.
  - 47. The computer system of claim 40 wherein the third control instance does not send a second request to the server instance to determine whether the data have changed.
  - 48. The computer system of claim 40 wherein the first sending means for the sending the notification from the server instance to the second control instance comprise second sending means for sending the notification from the server instance to a fourth control instance, wherein the fourth control instance sends the notification to the second control instance.
  - 49. The computer system of claim 40 herein the second control instance sends the notification to the third control instance by sending the notification to a fourth control instance, wherein the fourth control instance sends the notification to the third control instance.
  - 50. The computer system of claim 40 wherein the first control instance does not comprise the second control instance, and the second control instance does not comprise the first control instance.
  - 51. The computer system of claim 40 wherein the first control instance runs in a first container instance, the second control instance runs in a second container instance, the first container instance does not comprise the second container instance, and the second container instance does not comprise the first container instance.
  - 52. The computer system of claim 40 wherein the first control instance runs in a first process, the second control instance runs in a second process, the first process does not comprise the second process, and the second process does not comprise the first process.

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Current Assignee
Yahoo Assets LLC
Original Assignee
Yahoo! Inc. (Apollo Global Management, Inc.)
Inventors
Seitz, Edward F., Sollicito, Vincent Louis, Bollas, James Zachary, Davis, Brockton Scott, Whittle, Derrick Wang, Vaughan, Richard George, Owens, Stephen Kent

Granted Patent

US 7,469,302 B2
Time in Patent Office

Days
Field of Search
US Class Current

709/223
CPC Class Codes

G06F 2209/544 Remote

G06F 9/542 Event management; Broadcast...

Event notification

First Claim

6 Assignments

0 Petitions

Accused Products

Abstract

60 Citations

52 Claims

Specification

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Event notification

First Claim

6 Assignments

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0 Petitions

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Accused Products

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Abstract

60 Citations

52 Claims

Specification

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Solutions

Use Cases

Quick Links