Operator-defined consistency checking in a network management system

• US 7,093,010 B2
• Filed: 05/20/2002
• Issued: 08/15/2006
• Est. Priority Date: 05/20/2002
• Status: Active Grant

• Current Assignee: InfoVista SAS
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Ostrup, Nils Peter, Hök, Jesper
• Primary Examiner(s): Najjar, Saleh
• Assistant Examiner(s): Hamza, Faruk
• Application Number:
  US10/150,495
• Publication Number:
  US 20030217133A1
• Time in Patent Office: 1,548 Days
• Field of Search: 709220-221, 709223-224
• US Class Current: 709/223
• CPC Class Codes: H04L 41/0869 Validating the configuration within one network element
• CPC Class Codes: H04L 41/0873 Checking configuration conflicts between network elements
• CPC Class Codes: H04L 41/16 using machine learning or artificial intelligence

Abstract

A flexible consistency checking mechanism allows network operators to create their own consistency checking rules. Several consistency check formulas are provided. Each formula defines one or more general operations on one or more managed network objects. By applying a general consistency check formulas to one or more specific managed network objects, one or more consistency check rules is generated. For example, the user can generate the consistency check rules simply by inputting certain data values for formula variables by way of a user interface. Once those rules have been generated, they can be used to check the consistency of one or more aspects of a communications network configuration. Each formula also may include a checkpoint that defines a time period or event when a corresponding consistency check rule established using that formula should be executed.

Claims

1. A method for checking consistency of data in a communications network configuration defined using managed network objects, comprising:

providing one or more general consistency check formulas described in terms of one or more general managed objects for checking the consistency of one or more aspects of the communications network configuration, the consistency check formulas each defining a general operation performed on the one or more managed network objects;

generating one or more consistency check rules by applying the consistency check formulas to the one or more specific managed network objects; and

using the one or more consistency check rules to check the consistency of the one or more aspects of the communications network configuration,

wherein one of the consistency checking formulas is used to generate multiple consistency checking rules using different managed objects or attributes.

2. The method in claim 1, wherein the one or more consistency check rules is applied to an attribute of a managed network object.

3. The method in claim 1, wherein each consistency check formula is used to establish plural associated consistency check rules.

4. The method in claim 1, wherein each consistency check formula includes a checkpoint that defines when a corresponding consistency check rule established using the consistency check formula should be executed.

5. The method in claim 4, wherein the checkpoint includes one or more of the following:

population of a planned configuration area, modification of a planned configuration area, an operator-initiated consistency check, activation of a planned configuration area, and modification of an activated configuration area.

6. The method in claim 4, wherein when a checkpoint occurs, managed object instances for the consistency check rule to be executed are provided, the method further comprising:

executing the consistency check rule in response to the checkpoint occurrence.

7. The method in claim 1, wherein the consistency check formulas include one or more of the following:

Consistency check formula 1;

Is [X ] defined in the [Y ] managed object instance of the [Z ] configuration area?

where X is an attribute of the Y managed object instance, and each Y managed object instance is delivered when the checkpoint occurs in the Z planned/active configuration area;

Consistency check formula 2;

Is [X ] of the [Y ] object instance unique within all [X ] type attributes for all instances of [Y ] type managed object classes of the [Z ] area?

where X is an attribute of the Y managed object instance, and each Y managed object instance is provided via the checkpoint Z;

Consistency check formula 3;

Is [X ] of the [Y ] managed object instance of the [Z ] area within the [n ] to [k ] range?

where X is an attribute of the Y managed object instance, each Y managed object instance being delivered through the checkpoint Z, and where n is a number smaller than the number k−

1; and

Consistency check formula 4;

In the [X ] configuration area, does [Y ] have a relation to [Z],

where Y and Z are managed object instances, each object instance being delivered through the checkpoint of the X configuration area.

8. The method in claim 1, further comprising:

creating, deleting, or changing a consistency check rule using one of the consistency check formulas without performing a software upgrade.

9. The method in claim 1, further comprising:

changing a checkpoint when a consistency check rule is executed without performing a software upgrade.

10. The method in claim 1, wherein a user creates the consistency check rules by inputting certain data values for consistency check formulas by way of a user interface.

11. The method in claim 1, wherein a user creates the consistency check rules by inputting certain data values for variables by providing a data file and correlating the data file with the consistency check formulas.

12. A radio access network (RAN) management node for checking consistency of data in a RAN configuration defined using managed network objects, comprising:

a memory for storing general consistency check formulas described in terms of one or more general managed objects for checking the consistency of one or more aspects of the communications network configuration, the consistency check formulas each defining a general operation performed on the one or more managed network objects, and consistency checking software executable to;

create one or more consistency check rules by applying the consistency check formulas to the one or more specific managed network objects,

use the one or more consistency check rules to check the consistency of the one or more aspects of the communications network configuration, and

generate multiple consistency checking rules using different managed objects or attributes using one of the consistency checking formulas.

13. The RAN management node in claim 12, wherein the one or more consistency check rules is applied to an attribute of a managed network object.

14. The RAN management node in claim 12, wherein the consistency checking software is executable to establish plural associated consistency check rules using one of the consistency check formulas.

15. The RAN management node in claim 12, wherein each consistency check formula includes a checkpoint that defines when a corresponding consistency check rule created using the consistency check formula should be executed.

16. The RAN management node in claim 15, wherein the checkpoint includes one or more of the following:

population of a planned configuration area, modification of a planned configuration area, an operator-initiated consistency check, activation of a planned configuration area, and modification of an activated configuration area.

17. The RAN management node in claim 15, wherein when a checkpoint occurs, the consistency checking software is executable to provide managed object instances for the consistency check rule to be executed, and thereafter, to execute the consistency check rule.

18. The RAN management node in claim 12, wherein the consistency check formulas include one or more of the following:

Consistency check formula 1;

Is [X] defined in the [Y] managed object instance of the [Z] configuration area?

where X is an attribute of the Y managed object instance, and each Y managed object instance is delivered when the checkpoint occurs in the Z planned/active configuration area;

Consistency check formula 2;

Is [X] of the [Y] object instance unique within all [X] type attributes for all instances of [Y] type managed object classes of the [Z] area?

where X is an attribute of the Y managed object instance, and each Y managed object instance is provided via the checkpoint Z;

Consistency check formula 3;

Is [X] of the [Y] managed object instance of the [Z] area within the [n] to [k] range?

where X is an attribute of the Y managed object instance, each Y managed object instance being delivered through the checkpoint Z, and where n is a number smaller than the number k−

1; and

Consistency check formula 4;

In the [X] configuration area, does [Y] have a relation to [Z],

where X and Z are managed object instances, each object instance being delivered through the checkpoint of the X configuration area.

19. The RAN management node in claim 12, wherein the consistency checking software is executable to create, delete, or change a consistency check rule using one of the consistency check formulas without performing a software upgrade.

20. The RAN management node in claim 12, wherein the consistency checking software is executable to change a checkpoint when a consistency check rule is executed without performing a software upgrade.

21. The RAN management node in claim 12, wherein a user creates the consistency check rules by inputting certain data values for consistency check formulas by way of a user interface.

22. The RAN management node in claim 12, wherein a user creates the consistency check rules by inputting certain data values for variables by providing a data file and correlating the data file with the consistency check formulas.