SYSTEMS AND METHODS TO SELECT PEERED BORDER ELEMENTS FOR AN IP MULTIMEDIA SESSION BASED ON QUALITY-OF-SERVICE

• US 20090213837A1
• Filed: 02/26/2008
• Published: 08/27/2009
• Est. Priority Date: 02/26/2008
• Status: Active Grant

• Current Assignee: SBC Knowledge Ventures LP (AT&T, Inc.)
• Original Assignee: SBC Knowledge Ventures LP (AT&T, Inc.)
• Inventors: Jackson, James, Ku, Bernard, Yasrebi, Mehrad
• Granted Patent: US 8,520,663 B2
• Time in Patent Office: Days
• US Class Current: 370/352
• CPC Class Codes: H04L 47/12 Avoiding congestion; Recovering from congestion
• CPC Class Codes: H04L 47/24 Traffic characterised by specific attributes, e.g. priority or QoS
• CPC Class Codes: H04L 65/1069 Session establishment or de-establishment
• CPC Class Codes: H04L 65/80 Responding to QoS

Abstract

Systems and methods to select peered border elements for a communication session based on Quality-of-Service are disclosed. In particular, an example method for peered border element assignment is disclosed, comprising determining a composite Quality-of-Service result based on a plurality of Quality-of-Service parameters associated with a communication session, querying a telephone number mapping server for a status of each of a plurality of peered border elements, and assigning the communication session to be handled by one of the plurality of peered border elements based on the composite Quality-of-Service result and the status of each of the plurality of peered border elements.

Claims

1. A method for assigning a plurality of peered border elements, comprising:

determining a composite Quality-of-Service result based on a plurality of Quality-of-Service parameters associated with a communication session;

querying a telephone number mapping server for a status of each of the peered border elements; and

assigning the communication session to be handled by one of the peered border elements based on the composite Quality-of-Service result and the status of each of the peered border elements.

2. A method as defined in claim 1, wherein the communication session comprises a voice-over-Internet protocol session.

3. A method as defined in claim 2, wherein the voice-over-Internet protocol session comprises a telephone call.

4. A method as defined in claim 1, further comprising generating a Quality-of-Service authorization token to reserve network resources associated with the assigned one of the peered border elements.

5. A method as defined in claim 1, wherein the status comprises real-time network conditions.

6. A method as defined in claim 1, wherein at least one Quality-of-Service parameter comprises at least one of a grade of service parameter, a traffic type parameter, a preferred communication mode parameter and a presence mode parameter.

7. A method as defined in claim 1, wherein the composite Quality-of-Service is calculated based on a plurality of weighted Quality-of-Service parameters.

8. A method as defined in claim 1, further comprising assigning a second communication session to be handled by one of the peered border elements based on a second composite Quality-of-Service result prior to assigning the first communication session, based on the relative values of the first composite Quality-of-Service result and the second composite Quality-of-Service result.

9. A method as defined in claim 1, further comprising one of creating, modifying, or using a subscriber profile based on a grade of service.

10. A method as defined in claim 1, further comprising partitioning the plurality of peered border elements based on a grade of service.

11. A system to assign a communication session to one of a plurality of peered border elements associated with a service provider, the system comprising:

a telephone number mapping database to store a list of at least some of the peered border elements in the plurality of peered border elements;

an operations support system to prioritize the peered border elements in the list based on a respective status of the peered border elements; and

a call server to select one of the peered border elements to handle the communication session based on the prioritized list and a plurality of Quality-of-Service parameters associated with the communication session.

12. A system as defined in claim 11, wherein the communication session comprises a voice-over-Internet protocol session.

15. A system as defined in claim 11, further comprising a proxy server to reserve network resources associated with the selected one of the peered border elements.

16. A system as defined in claim 11, wherein the Quality-of-Service parameters comprise at least one of a grade-of-service, a traffic type, a preferred communication mode or a presence mode status.

17. A system as defined in claim 11, further comprising a home subscriber server to create, modify, or use a subscriber profile based on a grade of service.

18. A system as defined in claim 11, wherein the call server selects a peered border element from a group of peered border elements based on a grade of service.

13. (canceled)

14. (canceled)

19. A method to process a communication session, the method comprising:

receiving a call signal message;

accessing a prioritized list of peered border elements;

determining a composite Quality-of-Service result from a plurality of Quality-of-Service parameters; and

selecting a peered border element from the prioritized list of peered border elements based on the composite Quality-of-Service result.

20. A method as defined in claim 19, wherein the communication session comprises a voice-over-Internet protocol session.

21. A method as defined in claim 19, wherein the Quality-of-Service parameters comprise at least one of a grade-of-service, a traffic type, a preferred communication mode or a presence mode status.

22. A method as defined in claim 19, further comprising reserving network resources associated with the selected peered border element.

23. (canceled)

24. An apparatus to establish a communication session, comprising:

a composite Quality-of-Service parameter generator to generate a composite Quality-of-Service parameter based on a plurality of Quality-of-Service parameters; and

a peered border element selector to select a peered border element to host the communication session based on a list of peered border elements and the composite Quality-of-Service parameter.

25. An apparatus as defined in claim 24, further comprising a receiver to receive a list of peered border elements.

26. An apparatus as defined in claim 24, further comprising a peered border element notifier to notify the selected peered border element of the communication session.

28. An apparatus as defined in claim 24, wherein the Quality-of-Service parameters comprise at least one of a grade-of-service, a traffic type, a preferred communication mode or a presence mode status.

29. An apparatus as defined in claim 24, wherein the communication session comprises a voice-over-Internet protocol session.

27. (canceled)

30-39. -39. (canceled)