System and method for monitoring and maintaining a communication network

• US 6,718,384 B2
• Filed: 08/08/2001
• Issued: 04/06/2004
• Est. Priority Date: 08/09/2000
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Network Communications Incorporated (Fujitsu Limited)
• Inventors: Linzy, Richard J.
• Primary Examiner(s): Jean, Frantz B.
• Application Number:
  US09/925,150
• Publication Number:
  US 20020019866A1
• Time in Patent Office: 972 Days
• Field of Search: 709/224, 709/223, 709/220, 709/221, 709/238, 714/1-2, 714/25, 714/47, 714/57
• US Class Current: 709/224
• CPC Class Codes: H04L 41/0213 Standardised network management protocols, e.g. simple network management protocol [SNMP]
• CPC Class Codes: H04L 41/0681 Configuration of triggering conditions
• CPC Class Codes: H04L 41/22 comprising specially adapted graphical user interfaces [GUI]
• CPC Class Codes: H04L 43/045 for graphical visualisation of monitoring data
• CPC Class Codes: H04L 43/065 related to network devices
• CPC Class Codes: H04L 43/0811 by checking connectivity
• CPC Class Codes: H04L 43/0852 Delays
• CPC Class Codes: H04L 43/16 Threshold monitoring

Abstract

A system and method for monitoring and maintaining a communication network include the capability to determining connection and configuration parameters of network elements. The system and method also include the capability to monitor performance characteristics of network elements to recognize faults within the communication network.

Claims

1. A system for monitoring and maintaining a communication network, comprising:

a controller;

a memory coupled to the controller, the memory operable to store data;

a provisioning engine operable to;

identify a plurality of network elements within the communication network;

query the network elements within the communication network to determine connection and configuration parameters of the network elements; and

determine performance characteristics according to the connection and configuration parameters of the network elements; and

a monitoring engine operable to monitor the communication network by;

monitoring performance characteristics of the network elements;

monitoring traffic across optical links between the network elements; and

detecting messages indicating a possible fault within the communication network.

2. The system of claim 1, further comprising an analysis engine operable to facilitate the avoidance and resolution of undesirable conditions in the communication network.

3. The system of claim 2, wherein the analysis engine performs algorithms based on given threshold values to facilitate the avoidance and resolution of undesirable conditions in the communication network.

4. The system of claim 2, wherein the analysis engine is operable to retrieve connection parameters and performance data for the communication network, the performance data reflecting current conditions of a corresponding one of the network elements relative to corresponding configuration parameters of the network element.

5. The system of claim 1, wherein the system is operable to interface with a communication network adhering to Synchronous Optical Network (SONET) standards.

6. The system of claim 1, wherein the system is integratible to any service transport layer that is based on a translation layer 1 protocol.

7. The system of claim 1, wherein the monitoring engine reports performance conditions relative to given threshold values.

8. The system of claim 7, wherein the given threshold values are user defined.

9. The system of claim 1, further comprising a user interface through which user requests are received and responses to the requests are output.

10. The system of claim 9, further comprising a translation engine for formatting requests received from a user into machine language and responses output to the user from machine language into a language of the user.

11. The system of claim 9, wherein the user interface displays the at least a portion of the responses as a spreadsheet.

12. The system of claim 1, wherein the monitoring engine examines the transmission of data between network elements to determine loading and traffic conditions.

13. The system of claim 1, wherein the monitoring engine reports performance alarms to a user if one or more of the detected messages indicates a possible fault with the communication network.

14. The system of claim 1, wherein the system further includes back-up and restore functionality for the network elements.

15. The system of claim 1, wherein the system facilitates remote client access over a remote server.

16. The system of claim 1, wherein the system is operable to apply changes to cross-connects in a network element simultaneously.

17. The system of claim 1, wherein the messages indicating a possible fault within the communication network comprise transport layer 1 message retrievals.

18. A system for monitoring and maintaining a communication network, comprising:

a computer-readable medium; and

computer executable instructions contained in the computer-readable medium for performing the following operations;

identify a plurality of network elements within the communication network;

query the network elements within the communication network to determine connection and configuration parameters of the network elements;

determine performance characteristics according to the connection and configuration parameters of the network elements; and

monitor the communication network by;

monitoring performance characteristics of the network elements;

monitoring traffic across optical links between the network elements; and

detecting messages indicating a possible fault within the communication network.

19. The system of claim 18, wherein the instructions are further operable to analyze the performance characteristics to facilitate the avoidance and resolution of undesirable conditions in the communication network.

20. The system of claim 19, wherein the instructions are further operable to retrieve connection parameters and performance data for the communication network, the performance data reflecting current conditions of a corresponding one of the network elements relative to corresponding configuration parameters of the network element.

21. The system of claim 18, wherein the connection and configuration parameters comprise system configuration information and circuit provisioning.

22. The system of claim 18, wherein the instructions are further operable to:

obtain data on the performance of the communication network; and

format the data in a pre-determined format.

23. The system of claim 18, wherein the monitoring of the performance characteristics of the network elements is performed by computer-readable medium residing in a monitoring engine.

24. The system of claim 18, wherein the instructions are integratible to any service transport layer that is based on a translation layer 1 protocol.

25. The system of claim 18, wherein the instructions are operable to conform to Synchronous Optical Network (SONET) standards.

26. The system of claim 18, wherein the instructions are operable to generate reports regarding performance characterisitics of network elements.

27. The system of claim 26, wherein the reports comprise alarms.

28. The system of claim 18, wherein the messages indicating a possible fault within the communication network comprise transport layer 1 message retrievals.

29. A method for monitoring and maintaining a communication network, comprising:

identifying a plurality of network elements within the communication network;

querying the network elements within the communication network to determine connection and configuration parameters of the network elements;

determining performance characteristics according to the connection and configuration parameters of the network elements; and

monitoring the communication network by;

monitoring performance characteristics of the network elements;

monitoring traffic across optical links between the network elements; and

detecting messages indicating a possible fault within the communication network.

30. The method claim 29, further comprising analyzing the performance characteristics to facilitate the avoidance and resolution of undesirable conditions in the communication network.

31. The method of claim 30, further comprising retrieving connection parameters and performance data for the communication network, the performance data reflecting current conditions of a corresponding one of the network elements relative to corresponding configuration parameters of the network element.

32. The method of claim 29, further comprising:

obtaining data on the performance of the communication network; and

formatting the data in a pre-determined format.

33. The method of claim 29, further comprising generating reports regarding performance conditions of network elements.

34. The method of claim 33, wherein the reports comprise alarms.

35. The system of claim 29, wherein the messages indicating a possible fault within the communication network comprise transport layer 1 message retrievals.

36. A system for monitoring and maintaining a communication network, comprising:

a user interface; and

a graphical user interface operable to;

display information regarding the performance characteristics of network elements within the communication network, the performance characteristics of the network elements having been determined by;

identifying a plurality of network elements within the communication network;

querying the network elements within the communication network to determine connection and configuration parameters of the network elements; and

determining the performance characteristics according to the connection and configuration parameters of the network elements;

display provisioning information for the network elements; and

notify a user of possible faults within the communication network.

37. The system of claim 36, wherein the information regarding the performance characteristics of the network elements comprises alarms.

38. The system of claim 36, wherein the information regarding the performance characteristics of the network elements comprises translation layer 1 messages.

39. The system of claim 36, wherein the provisioning information comprises cross-connects between the network elements.

40. The system of claim 39, wherein the graphical user interface is operable to receive inputs regarding changes to the cross-connects.

41. The system of claim 36, wherein the graphical user interface is operable to receive commands to interface with a network element and to display the results of the those commands.

42. The system of claim 36, wherein the graphical user interface is operable to receive inputs regarding desired information for the network elements and to display the gathered information.

43. The system of claim 42, wherein the desired information is circuit provisioning.

44. The system of claim 36, wherein the graphical user interface is operable to request characteristics of a network element and receive those characteristics.

45. The system of claim 36, wherein the graphical user interface is operable to display characteristics for a network element and receive inputs regarding the characteristics.