System and method for maintenance arbitration at a switching node

• US 6,038,288 A
• Filed: 12/31/1997
• Issued: 03/14/2000
• Est. Priority Date: 12/31/1997
• Status: Expired due to Term

• Current Assignee: Avaya Incorporated
• Original Assignee: Nortel Networks Limited (Nortel Networks Corporation)
• Inventors: Page, Phyllis, Thomas, Gene Gilles
• Primary Examiner(s): LOOMIS, PAUL A
• Application Number:
  US09/002,111
• Time in Patent Office: 804 Days
• Field of Search: 379/1, 379/9-11, 379/15, 379/32, 379/34, 370/244, 370/252
• US Class Current: 379/15.01
• CPC Class Codes: H04M 2201/38 Displays
• CPC Class Codes: H04M 3/085 Fault locating arrangements
• CPC Class Codes: H04M 3/10 Providing fault- or trouble-signals
• CPC Class Codes: H04M 3/2254 in networks

Abstract

A system and method for providing maintenance arbitration at a switching node connected to a public carrier network. The system provides localized maintenance, fault toleration, proactive diagnostics, platform independence, and rule-based code behavior modification to deliver the best service possible based on the service capability and fault condition of switching node components.

Claims

1. A system for providing localized maintenance arbitration at a switching node having a plurality of components, comprising:

means for determining a service capability associated with a component of the switching node;

means for reporting the service capability to a controlling device; and

means for modifying the operation state of the component based on the reported service capability of the component;

wherein the resorting means periodically updates the service capability associated with the component and sends the service capability to the controlling device after each update.

2. The system of claim 1 wherein the determining means include means for determining the service capability of a peripheral module.

3. The system of claim 2 wherein the peripheral module includes a first controlling device, a second controlling device, and a resource unit, each of the controlling devices being capable of controlling the operation of the peripheral module.

4. The system of claim 3 wherein the first controlling device includes means for ascertaining the service capability of the second controlling device.

5. The system of claim 3 wherein the second controlling device includes means for ascertaining the service capability of the first controlling device.

6. The system of claim 3 wherein the first controlling device includes means for switching peripheral module operation control to the second controlling device.

7. The system of claim 3 wherein the second controlling device includes means for switching peripheral module operation control to the first controlling device.

8. The system of claim 3 wherein the first controlling device includes means for ascertaining a service capability of the resource unit.

9. The system of claim 3 wherein the second controlling device includes means for ascertaining a service capability of the resource unit.

10. The system of claim 3 wherein each of the controlling devices includes means for testing the resource unit for a fault condition.

11. The system of claim 10 wherein each of the controlling devices includes means for responding to the fault condition by changing the operation state of the resource unit.

12. The system of claim 1 wherein the determining means includes means for comparing a fault condition to a predetermined symptom.

13. The system of claim 12 wherein the modifying means includes means for correcting the fault condition based on a predetermined solution to the predetermined symptom.

14. A peripheral module associated with a switching node of a communication network, comprising:

a controller;

a resource unit in communication with the controller;

means for periodically monitoring a change in the peripheral module service capability by detecting a fault condition associated with the resource unit; and

means for periodically modifying peripheral module operation to overcome the change in peripheral module service capability based on the detected fault condition.

15. The module of claim 14 wherein the controller includes a first controlling device and a second controlling device, each of the controlling devices capable of controlling peripheral module operation.

16. The module of claim 15 wherein the first controlling device includes means for ascertaining the service capability of the second controlling device.

17. The module of claim 15 wherein the second controlling device includes means for ascertaining the service capability of the first controlling device.

18. The module of claim 15 wherein the first controlling device includes means for switching peripheral module operation control to the second controlling device.

19. The module of claim 15 wherein the second controlling device includes means for switching peripheral module operation control to the first controlling device.

20. The module of claim 15 wherein the first controlling device includes means for ascertaining a service capability of the resource unit.

21. The module of claim 15 wherein the second controlling device includes means for ascertaining a service capability of the resource unit.

22. The module of claim 20 wherein each of the controlling devices includes means for testing the resource unit for a fault condition.

23. The module of claim 22 wherein each of the controlling devices includes means for responding to the fault condition by changing the operation state of the resource unit.

24. The module of claim 14 further including means for communicating with a component of the switching node to inform the component of a peripheral module operation state change.

25. The module of claim 15 wherein each the controlling devices include a memory.

26. The module of claim 25 wherein the memory includes controller software.

27. The module of claim 26 wherein the controller software includes code that is reusable with a plurality of peripheral modules associated with the switching node.

28. A switching node connected to a communication network, comprising:

a controller;

a plurality of peripheral modules in communication with the controller;

means for monitoring a service capability status associated each of the plurality of peripheral modules;

means for continuously updating the service capability status of the peripheral module and reporting the service capability status of the peripheral module to the controller; and

means for modifying the operation state of the peripheral module based on the received service capability status.

29. A method for providing localized maintenance arbitration at a switching node having a plurality of components, comprising the steps of:

determining a service capability associated with a component of the switching node;

reporting the service capability to a controlling device, including periodically updating the service capability of the component and sending the service capability of the component to the controlling device after each update; and

modifying the operation state of the component based on the reported service capability of the component.

30. The method of claim 29 wherein the determining step includes the step of running a self-diagnostic test on the component to determine the service capability of the component.

31. The method of claim 29 wherein the determining step includes the step of running a self-diagnostic test on the component to detect the fault condition.

33. The method of claim 29 wherein the modifying step includes the step of changing the operation status of the component from active to inactive.

34. The method of claim 29 wherein the determining step includes the step of detecting a fault condition before the fault condition renders the component inoperable.

35. The method of claim 29 wherein the determining step includes the step of determining a service capability associated with a first controlling device and a second controlling device.

36. The method of claim 35 wherein the determining step includes the step of detecting a fault condition associated with each of the first and second controlling devices.

37. The method of claim 35 further comprising the steps of:

comparing the service capability of the first and second controlling devices; and

selecting one of the first and second controlling devices to control the operation of a peripheral module associated with the switching node based on which controlling device has higher service capability.

38. The method of claim 36 further comprising the steps of:

comparing the fault condition of the first and second controlling devices; and

selecting one of the first and second controlling devices to control the operation of a peripheral module associated with the switching node based on which controlling device has a lower fault condition.

32. A method for providing localized maintenance arbitration at a switching node having a plurality of components, comprising the steps of:

determining a service capability associated with a component of the switching node;

reporting the service capability to a controlling device, including requesting a service capability report from the component and sending the service capability report in response to the request; and

modifying the operation state of the component based on the reported service capability of the component.

39. A system for providing localized maintenance arbitration at a switching node having a plurality of components, comprising:

means for determining a service capability associated with a component of the switching node;

means for reporting the service capability to a controlling device; and

means for modifying the operation state of the component based on the reported service capability of the component;

wherein the means for reporting requests a service capability report from the component.

40. A computer program product comprising:

a computer usable medium having computer readable code embodied therein for providing localized maintenance arbitration at a switching node having a plurality of components, the computer usable medium comprising;

a module for determining a service capability associated with a component of the switching node;

a module for requesting a service capability report from the component and reporting the service capability controlling device; and

a module for modifying the operation state of the component based on the reported service capability of the component.

41. A computer program product comprising:

a computer usable medium having computer readable code embodied therein for providing localized maintenance arbitration at a switching node having a plurality of components, the computer usable medium comprising;

a module for determining a service capability associated with a component of the switching node;

a module for periodically updating the service capability associated with the component and sending the service capability to a controlling device after each update; and

a module for modifying the operation state of the component based on the reported service capability of the component.

42. A peripheral module associated with a switching node of a communication network, comprising:

a resource unit;

a test unit to periodically monitor a change in the peripheral module service capability by detecting a fault condition associated with the resource unit;

a controller to periodically modify the peripheral module operation to overcome the change in peripheral module service capability based on the detected fault condition.

43. A system for providing localized maintenance arbitration at a switching node having a plurality of components, comprising:

a test unit to determine a service capability associated with a component of the switching node;

a reporting unit to periodically update the service capability associated with the component and to report the service capability to a controlling device after each update;

wherein the controlling device modifies the operation state of the component based on the reported service capability of the component.