Achieving low latencies on network events in a non-real time platform

• US 8,321,594 B2
• Filed: 12/06/2007
• Issued: 11/27/2012
• Est. Priority Date: 03/23/2007
• Status: Active Grant

• Current Assignee: Oracle International Corporation (Oracle Corporation)
• Original Assignee: Oracle International Corporation (Oracle Corporation)
• Inventors: Strand, Terje, Tonev, Christo, Maes, Stèphane H.
• Primary Examiner(s): BATES, KEVIN T
• Application Number:
  US11/951,500
• Publication Number:
  US 20080235327A1
• Time in Patent Office: 1,818 Days
• Field of Search: 719/328, 719/331, 709/250
• US Class Current: 709/250
• CPC Class Codes: H04L 65/1046 Call controllers; Call servers
• CPC Class Codes: H04L 65/1066 Session management
• CPC Class Codes: H04M 7/006 Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42

Abstract

Embodiments of the invention provide systems and methods for providing low-latency handling of events and/or requesting actions of external resources in a real time environment while utilizing non-real time components. According to one embodiment, a system for providing low-latency handling of events in a real time environment while utilizing non-real time components can comprise an external resource and a resource adapter communicatively coupled with the external resource. The resource adapter can be adapted to detect events of the external resource and/or request actions of the external resource. The system can also include at least one local application communicatively coupled with the resource adapter. The local application can have a local interface and the local application can interact with the resource adapter via the local interface.

Claims

1. A system for providing low-latency handling of events in a real time environment while utilizing non-real time components, the system comprising:

an external resource comprising a non-real time component;

a processor; and

a memory coupled with and readable by the processor and having stored therein a sequence of instructions which, when executed by the processor, cause the processor to execute at least one resource adapter, the resource adapter interacting with the external resource and at least one local application operating in a real time environment, each local application having a plurality of local interfaces to the resource adapter, wherein each local application interacts with the resource adapter via the local interfaces to interact with the external resource, wherein each local interface for each application is implemented using only local libraries of the local application, and wherein the plurality of local interfaces for each application are divided between a plurality of different functions of the external resource where each of the plurality of local interfaces for each application processes calls to or from a different function of the external resource.

2. The system of claim 1, wherein the resource adapter is adapted to detect events of the external resource and request actions of the external resource.

3. The system of claim 2, wherein the external resource comprises a communication network.

4. The system of claim 3, wherein the communication network further comprises one or more network resources.

5. The system of claim 4, wherein the network resources comprise a Parlay Gateway.

6. The system of claim 5, wherein the resource adapter comprises a Parlay Java Rulebook Connector Architecture (JCA) 1.5 resource adapter.

7. The system of claim 6, wherein the local interfaces comprise Parlay Java Rulebook Application Program Interface (API) libraries.

8. The system of claim 6, wherein the local interfaces comprise Plain Old Java Objects (POJOs).

9. The system of claim 6, wherein the local interfaces comprise Enterprise Java Beans (EJBs).

10. The system of claim 4, wherein the resource adapter comprises a Signaling System 7 (SS7) resource adapter.

11. The system of claim 4, wherein the resource adapter comprises a Customized Applications for Mobile Network Enhanced Logic (CAMEL) resource adapter.

12. The system of claim 4, wherein the resource adapter comprises an Intelligent Network Application Part (INAP) resource adapter.

13. The system of claim 4, wherein the resource adapter comprises a, Transaction Capabilities Application Part (TCAP) resource adapter.

14. The system of claim 3, wherein the local application is adapted to perform call control, wherein the plurality of functions of the external resource includes call control, and wherein one of the plurality of local interfaces for the local application includes a call control interface.

15. The system of claim 14, wherein the local application is adapted to perform multi-party call control, wherein the plurality of functions of the external resource includes multi-party call control, and wherein one of the plurality of local interfaces for the local application includes a multi-party call control interface.

16. The system of claim 15, wherein the local application is adapted to perform media control, wherein the plurality of functions of the external resource includes media control, and wherein one of the plurality of local interfaces for the local application includes a media control interface.

17. The system of claim 16, wherein the local application is adapted to provide a web service, wherein the plurality of functions of the external resource includes web service functions, and wherein one of the plurality of local interfaces for the local application includes a web service interface.

18. The system of claim 2, wherein the external resource comprises an Operation Support System (OSS).

19. The system of claim 2, wherein the external resource comprises an Business Support System (BSS).

20. The system of claim 2, wherein the local applications is adapted to receive an indication of the event from the resource adapter via at least one of the local interfaces.

21. The system of claim 20, wherein the local application is further adapted to react to the event.

22. The system of claim 21, wherein the local application is adapted to react to the event by requesting an action of the external resource via at least one of the local interfaces and the resource adapter.

23. The system of claim 2, wherein the local application is adapted to request an action of the external resource via at least one of the local interfaces and the resource adapter.

24. The system of claim 1, further comprising:

a remote interface communicatively coupled with the local application; and

a remote application communicatively coupled with the remote interface, wherein the remote application is adapted to interact with the local application via the remote interface.

25. The system of claim 1, wherein the local interfaces pass data by reference.

26. The system of claim 1, wherein the at least one resource adapters comprise a first resource adapter and a second resource adapter.

27. The system of claim 26, wherein the first resource adapter and second resource adapter manage respective thread pools separately.

28. The system of claim 26, wherein the plurality of local interfaces comprise a first local interface for interacting with the first resource adapter and a second local interface for interacting with the second resource adapter and wherein the local application is adapted to interact with the first resource adapter via the first local interface and the second resource adapter via the second local interface.

29. The system of claim 28, wherein the first resource adapter, second resource adapter, first local interface, and second local interface are adapted to prevent introspection.

30. The system of claim 1, wherein the at least one resource adapter and the plurality of local interfaces are implemented on a Java Virtual Machine (JVM).

31. The system of claim 30, wherein the JVM is tuned to reduce pauses caused by a garbage collection process.

32. The system of claim 30, wherein the JVM utilizes a concurrent mark and sweep garbage collection process.

33. A method for providing low-latency handling of events in a real time environment while utilizing non-real time components, the method comprising:

detecting an external event of a non-real time component with a resource adapter, the resource adapter providing a plurality of local interfaces to a local application running in a real time environment the plurality of local interfaces implemented using only local libraries of the local application, wherein the plurality of local interfaces are divided between different functions of the external resource, and wherein each of the plurality of local interfaces processes calls to or from a different function of the external resource;

sending an indication of the external event from the resource adapter to the local application via a local interfaces of the local application for a function related to the external event;

receiving the indication of the external event from the resource adapter at the local application via the local interface for the function related to the external event; and

handling the external event with the local application.

34. The method of claim 33, wherein handling the external event with the local application comprises requesting an action of an external resource via at least one of the local interfaces and the resource adapter.

35. The method of claim 34, wherein the external event comprises a network event.

36. The method of claim 35, wherein the function related to the external event comprises a call control function, wherein the local interface for the function related to the external event comprises a call control interface, and wherein handling the external event with the local application comprises performing call control.

37. The method of claim 35, wherein the function related to the external event comprises a multi-party call control function, wherein the local interface for the function related to the external event comprises a multi-party call control interface, and wherein handling the network event with the local application comprises performing multi-party call control.

38. The method of claim 35, wherein the function related to the external event comprises a media control function, wherein the local interface for the function related to the external event comprises a media control interface, and wherein handling the network event with the local application comprises performing media control.

39. The method of claim 35, wherein the function related to the external event comprises a web service function, wherein the local interface for the function related to the external event comprises a web service interface, and wherein handling the network event with the local application comprises providing a web service.

40. A method for requesting actions of resources in a real time environment while utilizing non-real time components, the method comprising:

sending a request for an action of an external resource comprising a non-real time component from a local application operating in a real time environment via a local interface of a plurality of local interfaces of the local application, wherein each local interface is implemented using only local libraries of the local application, wherein the plurality of local interfaces are divided between different functions of the external resource, wherein each of the plurality of local interfaces processes calls to or from a different function of the external resource, and wherein the request is sent via a local interface of the plurality of local interface that is related to a function to which the action is directed;

receiving the request for the action of the resource at a resource adapter via the local interface related to the function to which the action is directed; and

requesting the action of the network resource from the resource adapter.

41. The method of claim 40, wherein the external resource comprises a communication network.

42. The method of claim 41, wherein the request comprises a request for a call control function, wherein the local interface related to the function to which the action is directed comprises a call control interface, and wherein sending the request for the action of the resource from the local application is performed in response to a call control function of the local application.

43. The method of claim 41, wherein the request comprises a request for a multi-party call control function, wherein the local interface related to the function to which the action is directed comprises a multi-party call control interface, and wherein sending the request for the action of the resource from the local application is performed in response to a multi-party call control function of the local application.

44. The method of claim 41, wherein the request comprises a request for a media control function, wherein the local interface related to the function to which the action is directed comprises a media control interface, and wherein sending the request for the action of the resource from the local application is performed in response to a media control function of the local application.

45. The method of claim 41, wherein the request comprises a request for a web service function, wherein the local interface related to the function to which the action is directed comprises a web service interface, and wherein sending the request for the action of the resource from the local application is performed in response to a web service function of the local application.