Method and apparatus for representing, managing and problem reporting in VoIP networks

• US 7,797,420 B1
• Filed: 01/03/2006
• Issued: 09/14/2010
• Est. Priority Date: 01/03/2006
• Status: Active Grant

• Current Assignee: Emc IP Holding Company LLC (Dell Technologies Inc.)
• Original Assignee: EMC Corporation (Dell Technologies Inc.)
• Inventors: Mendes, Stephen A., Mackie, W. Stuart, Kuhhirte, William
• Primary Examiner(s): Patel; Ashok B
• Assistant Examiner(s): COSBY, LAWRENCE V
• Application Number:
  US11/325,109
• Time in Patent Office: 1,715 Days
• Field of Search: 709/224, 370/352, 370/353, 370/354, 370/355
• US Class Current: 709/224
• CPC Class Codes: H04L 41/0604 using filtering, e.g. reduction of information by using priority, element types, position or time
• CPC Class Codes: H04L 41/0631 using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
• CPC Class Codes: H04L 41/12 Discovery or management of network topologies
• CPC Class Codes: H04L 65/80 Responding to QoS
• CPC Class Codes: H04M 7/0084 Network monitoring; Error detection; Error recovery; Network testing

Abstract

A method, system and computer product for analyzing a Voice-over-IP (VoIP) network composed of a plurality of components are disclosed. The method comprises the method comprises the steps of representing selected ones of the plurality of components, providing a mapping between a plurality of first events and a plurality of second events occurring in selected ones of the components; and determining at least one first event based on at least one of the plurality of second events by determining a measure between each of a plurality of values associated with the plurality of first events and the plurality of second events.

Claims

1. A method comprising:

discovering components of a network comprising a plurality of components;

formulating a list of probes based on the discovered components;

executing the probes to determine which discovered components of the network of the plurality of components comprise information associated with a Voice-over-IP (VoIP) network, the VoIP network containing a plurality of components,

representing selected components of the Voice-over-IP (VoIP) network containing a plurality of components and relations among the representations of the selected components;

wherein the step of representing said plurality of components comprises the steps of;

creating configuration non-specific representations of the selected components, selected from the group consisting of;

VoIPSystem, VoIPSoftwareServices, VoIPSoftwareServiceRedundancyGroup, VoIPApplicationService, VoIPNetworkService, VoIPVoiceService, and CallManagerRedundancyGroup;

providing a mapping between a plurality of first events and a plurality of second events occurring in the selected components; and

determining at least one first event based on at least one of the plurality of second events by determining a measure between each of a plurality of values associated with the plurality of first events and the plurality of second events.

2. The method as recited in claim 1, wherein the step of a mapping comprises the steps of:

creating at least one configuration non-specification representation of the relations along which the first events propagate among the selected components, wherein the representations of relations are selected from the group consisting of HostServices, Instrumentation, Checks, Part of, Underlying.

3. The method as recited in claim 1, further comprising the step of:

representing selected ones of the plurality of components, and associated relations, associated with each of a plurality of domains, wherein at least one of the plurality of components is associated with at least two of the domains;

providing a mapping between a plurality of first events and a plurality of second events occurring in components in each of the domains, wherein selected ones of the first events and second events are associated with the at least one component associated with at least two of the domains;

determining at least one first event based on at least one of the plurality of second events by determining a mismatch measure between each of a plurality of values associated with the plurality of first events and the plurality of second events in each domain; and

determining a likely first event by correlating the likely first events associated with each of the domains.

4. The method as recited in claim 1, wherein the first and second events are selected from the group consisting of:

causing events, observable events, problems, symptoms.

5. An apparatus for analyzing a VoIP network containing a plurality of components, the apparatus comprising:

a processor in communication with a memory, the processor executing computer code for executing the steps of;

discovering components of a network comprising a plurality of components;

formulating a list of probes based on the discovered components;

executing the probes to determine which discovered components of the network of the plurality of components comprise information associated with a Voice-over-IP (VoIP) network, the VoIP network containing a plurality of components,

representing selected components of the Voice-over-IP (VoIP) network containing a plurality of components and relations among the representations of the selected components;

wherein the step of representing said plurality of components comprises the steps of;

creating configuration non-specific representations of the selected components, selected from the group consisting of;

VoIPSystem, VoIPSoftwareServices, VoIPSoftwareServiceRedundancyGroup, VoIPApplicationService, VoIPNetworkService, VoIPVoiceService, and CallManagerRedundancyGroup;

representing selected components of the Voice-over-IP (VoIP) network containing a plurality of components and relations among the representations of the selected components,

providing a mapping between a plurality of observable events and a plurality of causing events occurring in the selected components; and

determining at least one first event based on at least one of the plurality of second events by determining a measure between each of a plurality of values associated with the plurality of observable events and the plurality of causing events.

6. The method as recited in claim 5, wherein the step of providing a mapping comprises the processor executing code for executing the steps of:

creating at least one configuration non-specification representation of relations along which the first events propagate among the selected components, wherein the representations of relations are selected from the group consisting of HostServices, Instrumentation, Checks, Part of, and underlying.

7. The apparatus as recited in claim 5, wherein the processor further executing code for executing the step of:

representing selected ones of the plurality of components, and associated relations, associated with each of a plurality of domains, wherein at least one of the plurality of components is associated with at least two of the domains;

providing a mapping between a plurality of first events and a plurality of second events occurring in components in each of the domains, wherein selected ones of the first events and second events are associated with the at least one component associated with at least two of the domains;

determining at least first event based on at least one of the plurality of second events by determining a measure between each of a plurality of values associated with the plurality of first events and the plurality of second events in each domain; and

determining a likely first event by correlating the likely first events associated with each of the domains.

8. The apparatus as recited in claim 5, wherein the first and second events are selected from the group consisting of:

causing events, observable events, problems, symptoms.

9. The apparatus as recited in claim 5, further comprising:

an input/output device in communication with the processor.

10. A computer program product, stored on a computer readable storage medium, for analyzing a VoIP network containing a plurality of components, by providing instruction to a processor enabling the processor to execute the steps of:

discovering components of a network comprising a plurality of components;

formulating a list of probes based on the discovered components;

executing the probes to determine which discovered components of the network of the plurality of components comprise information associated with a Voice-over-IP (VoIP) network, the VoIP network containing a plurality of components,

representing selected components of the Voice-over-IP (VoIP) network containing a plurality of components and relations among the representations of the selected components;

wherein the step of representing said plurality of components comprises the steps of;

creating configuration non-specific representations of the selected components, selected from the group consisting of;

VoIPSystem, VoIPSoftwareServices, VoIPSoftwareServiceRedundancyGroup, VoIPApplicationService, VoIPNetworkService, VoIPVoiceService, and CallManagerRedundancyGroup;

providing a mapping between a plurality of observable events and a plurality of causing events occurring in the components; and

determining at least one first event based on at least one of the plurality of second events by determining a measure between each of a plurality of values associated with the plurality of observable events and the plurality of causing events.

11. The computer program product as recited in claim 10, further providing instruction for enabling the processor to execute the step of:

creating at least one configuration non-specification representation of relations along which the first events propagate among the selected components, wherein the representations of relations are selected from the group consisting of HostServices, Instrumentation, Checks, Part of, and underlying.

12. The computer program product as recited in claim 10, further providing instruction for enabling the processor to execute the steps of:

representing selected ones of the plurality of components and associated relationship associated with each of a plurality of domains, wherein at least one of the plurality of components is associated with at least two of the domains;

providing a mapping between a plurality of first events and a plurality of second events occurring in components in each of the domains, wherein selected ones of the first events and second events are associated with the at least one component associated with at least two of the domains;

determining at least first event based on at least one of the plurality of second events by determining a measure between each of a plurality of values associated with the plurality of first events and the plurality of second events in each domain; and

determining a likely first event by correlating the likely first events associated with each of the domains.

13. The computer program product as recited in claim 10, wherein the first and second events are selected from the group consisting of:

causing events, observable events, problems, symptoms.