Network fault originator identification for virtual network infrastructure

Patent metadata

Field	Value
Publication number	US-10742483-B2
Application number	US-201815981305-A
Country	US
Kind code	B2
Filing date	May 16, 2018
Priority date	May 16, 2018
Publication date	Aug 11, 2020
Grant date	Aug 11, 2020

Abstract

Concepts and technologies directed to network fault originator identification for virtual network infrastructure are disclosed herein. Embodiments can include a control system that is communicatively coupled with network infrastructure. The control system can include a processor and memory that, upon execution, causes the control system to perform operations. The operations can include determining, based on a source ticket, a network fault condition associated with the network infrastructure. The operations can further include identifying, from the source ticket, a trap set and an alarm set that are associated with origination of the network fault condition. The operations can include the control system collecting network event data from the network infrastructure prior to a polling time of a fault reporting schedule; determining that a qualified source ticket should be created; and generating the qualified source ticket based on the network event data.

First claim

The invention claimed is:

1. A system comprising:
a processor; and
a memory that stores computer-executable instructions that, in response to execution by the processor, cause the processor to perform operations comprising:
determining a network fault condition associated with network infrastructure based on a source ticket that was generated based on a fault reporting schedule comprising a polling time by which fault events and tickets are reported,
identifying, from the source ticket, a trap set and an alarm set that are associated with origination of the network fault condition,
collecting, from the network infrastructure, traps associated with the trap set identified from the source ticket and alarms associated with the alarm set identified from the source ticket, wherein at least a portion of the traps and the alarms collected occurred prior to the polling time of the fault reporting schedule used to generate the source ticket,
determining that a qualified source ticket should be created,
generating the qualified source ticket based, at least in part, on the source ticket, the traps collected, and the alarms collected, wherein the qualified source ticket comprises a root cause associated with the network fault condition,
after generating the qualified source ticket, polling for traps and alarms prior to the polling time of the fault reporting schedule, and
selecting, based at least in part on the traps and the alarms polled prior to the polling time of the fault reporting schedule, the qualified source ticket, wherein the qualified source ticket comprises the root cause associated with the traps and the alarms.

2. The system of claim 1 , wherein the operations further comprise:
creating a network ticket delta indicator based on the qualified source ticket; and
joining the qualified source ticket to an original ticket database.

3. The system of claim 2 , wherein the operations further comprise providing the network ticket delta indicator to a ticket delta application executing on a user equipment.

4. The system of claim 3 , wherein determining that the qualified source ticket should be created is based on building a root cause correlation information model.

5. The system of claim 1 , wherein the traps collected comprise instances of a simple network management protocol trap and the alarms collected comprise a simple network management protocol alarm.

6. The system of claim 1 , wherein the network infrastructure comprises a virtual network function, a physical network function, and a network interface.

7. A method comprising:
determining, by a control system communicatively coupled with network infrastructure, a network fault condition associated with the network infrastructure based on a source ticket that was generated based on a fault reporting schedule comprising a polling time by which fault events and tickets are reported;
identifying, by the control system from the source ticket, a trap set and an alarm set that are associated with origination of the network fault condition;
collecting, by the control system from the network infrastructure, traps associated with the trap set identified from the source ticket and alarms associated with the alarm set identified from the source ticket, wherein at least a portion of the traps and the alarms collected occurred prior to the polling time of the fault reporting schedule used to generate the source ticket;
determining that a qualified source ticket should be created;
generating the qualified source ticket based, at least in part, on the source ticket, the traps collected, and the alarms collected, wherein the qualified source ticket comprises a root cause associated with the network fault condition;
after generating the qualified source ticket, polling for traps and alarms prior to the polling time of the fault reporting schedule; and
selecting, based at least in part on the traps and the alarms polled prior to the polling time of the fault reporting schedule, the qualified source ticket, wherein the qualified source ticket comprises the root cause associated with the traps and the alarms.

8. The method of claim 7 , further comprising:
creating, by the control system, a network ticket delta indicator based on the qualified source ticket; and
joining, by the control system, the qualified source ticket to an original ticket database.

9. The method of claim 8 , further comprising providing, by the control system, the network ticket delta indicator to a ticket delta application executing on a user equipment.

10. The method of claim 9 , wherein determining that the qualified source ticket should be created is based on building a root cause correlation information model.

11. The method of claim 7 , wherein the traps collected comprise instances of a simple network management protocol trap and the alarms collected comprise a simple network management protocol alarm.

12. The method of claim 7 , wherein the network infrastructure comprises a virtual network function, a physical network function, and a network interface.

13. A computer storage medium having computer-executable instructions stored thereon that, in response to execution by a processor of a control system, cause the processor to perform operations comprising:
determining a network fault condition associated with network infrastructure based on a source ticket that was generated based on a fault reporting schedule comprising a polling time by which fault events and tickets are reported;
identifying, from the source ticket, a trap set and an alarm set that are associated with origination of the network fault condition;
collecting, from the network infrastructure, traps associated with the trap set identified from the source ticket and alarms associated with the alarm set identified from the source ticket, wherein at least a portion of the traps and the alarms collected occurred prior to the polling time of the fault reporting schedule used to generate the source ticket;
determining that a qualified source ticket should be created;
generating the qualified source ticket based, at least in part, on the source ticket, the traps collected, and the alarms collected, wherein the qualified source ticket comprises a root cause associated with the network fault condition
after generating the qualified source ticket, polling for traps and alarms prior to the polling time of the fault reporting schedule; and
selecting, based at least in part on the traps and the alarms polled prior to the polling time of the fault reporting schedule, the qualified source ticket, wherein the qualified source ticket comprises the root cause associated with the traps and the alarms.

14. The computer storage medium of claim 13 , wherein the operations further comprise
creating a network ticket delta indicator based on the qualified source ticket; and
joining the qualified source ticket to an original ticket database.

15. The computer storage medium of claim 14 , wherein the operations further comprise providing the network ticket delta indicator to a ticket delta application executing on a user equipment.

16. The computer storage medium of claim 15 , wherein determining that the qualified source ticket should be created is based on building a root cause correlation information model.

17. The computer storage medium of claim 13 , wherein the traps collected comprise instances of a simple network management protocol trap and the alarms collected comprise a simple network management protocol alarm.

Assignees

• At & T Ip I Lp

Inventors

• Li Wen-Jui
• Wu Tsong-Ho
• Lai Wai Sum
• Kanevsky Zosim
• Liu jun-min

Classifications

• H04L43/20

  the monitoring system or the monitored elements being virtualised, abstracted or software-defined entities, e.g. SDN or NFV · CPC title

• H04L41/40 Primary

  using virtualisation of network functions or resources, e.g. SDN or NFV entities · CPC title

• H04L41/0677

  Localisation of faults · CPC title

• H04L41/0631 Primary

  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 title

• H04L43/0811

  by checking connectivity · CPC title