Intelligent call switching node in an intelligent distributed network architecture

• US 6,418,461 B1
• Filed: 08/05/1998
• Issued: 07/09/2002
• Est. Priority Date: 10/06/1997
• Status: Expired due to Term

• Current Assignee: Verizon Patent and Licensing Incorporated (Verizon Communications Inc.)
• Original Assignee: MCI Communications Corporation (Verizon Communications Inc.)
• Inventors: Barnhouse, Robert, Cardy, Doug, Porter, Kelvin, Rambo, Ken, Waller, Carol, Yao, George, Wong, Wendy
• Primary Examiner(s): Meky, Moustafa M.
• Application Number:
  US09/128,937
• Time in Patent Office: 1,434 Days
• Field of Search: 709/200, 709/201, 379/114, 379/196, 379/207, 379/219, 379/220, 379/260, 379/265, 379/283
• US Class Current: 709/201
• CPC Class Codes: H04M 3/42136 Administration or customisation of services
• CPC Class Codes: H04M 3/4228 in networks
• CPC Class Codes: H04Q 3/0029 Provisions for intelligent networking
• CPC Class Codes: H04Q 3/0037 involving call modelling techniques, e.g. modifications to the basic call state model [BCSM]
• CPC Class Codes: Y10S 379/90 Internet, e.g. Internet phone, webphone, internet-based telephony

Abstract

The present invention provides an intelligent call processor, an intelligent switching node and an intelligent communications network for use in a communications system. The intelligent call processor comprises a logical platform having a plurality of functions wherein at least one of the functions is service processing function, at least one of the functions is call processing, and at least one of the functions is facility processing, and a processor for executing the plurality of functions. The intelligent switching node comprises an intelligent call processor and, a resource complex communicably linked to the intelligent call processor and logically separated from the intelligent call processor. The intelligent communications network comprises a plurality of intelligent distributed network nodes, a network management system for monitoring and controlling a wide area network and the plurality of intelligent switching nodes, and the wide area network interconnecting the plurality of intelligent distributed network nodes and the network management system.

Claims

1. In an intelligent communications network for use in a communications system, said network comprising:

at least one intelligent distributed network node;

at least one intelligent switching node having at least one intelligent call processor;

a network management system for monitoring and controlling said communications network and said at least one intelligent switching node;

a resource complex communicably linked but logically separated from said at least one intelligent call processor;

said at least one intelligent call processor further comprising;

a logical platform having a plurality of functions wherein at least one of the functions is a service processing function, at least one of the functions is a call processing function, at least one of the functions is a facility processing function, said plurality of functions being capable of migration to at least two different computer architectures; and

a processor for executing the plurality of functions, said processor providing a flexible and scalable architecture.

2. The intelligent call processor as recited in claim 1, wherein the logical platform is a virtual machine.

3. The intelligent call processor as recited in claim 2, wherein the plurality of functions are encoded in an object oriented language.

4. The intelligent call processor as recited in claim 2, wherein the plurality of functions are encoded as Java bytecodes.

5. The intelligent call processor as recited in claim 1, wherein the logical platform is an object-oriented platform and the plurality of functions are managed objects.

6. The intelligent call processor as recited in claim 5, wherein the general purpose computer is a based on a microprocessor architecture.

7. The intelligent call processor as recited in claim 5, wherein the general purpose computer, the data storage device and the high speed network are configured to provide redundant processing, data storage and communications.

8. The intelligent call processor as recited in claim 1, wherein the processor includes:

at least one general purpose computer;

at least one data storage device; and

a high speed communications link connecting the general purpose computer to the data storage device.

9. The intelligent call processor as recited in claim 1, further including a first connection for communicably linking the processor to an adjunct processor that provides at least one legacy function consisting from the group of:

provisioning, billing and service restoration.

10. The intelligent call processor as recited in claim 1, further including a second connection for communicably linking the processor to a direct signaling link.

11. The intelligent call processor as recited in claim 1, further including a third connection for communicably linking the processor to at least one resource complex.

12. The intelligent call processor as recited in claim 1, further including a fourth connection for communicably linking the processor to a wide area network.

13. An intelligent switching node in a communications network, the intelligent switching node comprising:

an intelligent call processor having a processor for executing a plurality of functions within a logical platform wherein at least one of the functions is service processing, at least one of the functions is call processing, and at least one of the functions is facility processing; and

a resource complex communicably linked to the intelligent call processor and logically separated from the intelligent call processor.

14. The intelligent switching node as recited in claim 13, wherein the communication link from the resource complex to the intelligent processor further comprises a redundant communication link.

15. The intelligent switching node as recited in claim 13, wherein the communication link from the resource complex to the intelligent processor is a high speed data communications link.

16. The intelligent switching node as recited in claim 13, wherein a resource complex proxy includes an interface from the intelligent call processor to the resource complex.

17. The intelligent switching node as recited in claim 13, wherein the resource complex includes a collection of physical devices or resources that provide bearer, signaling and connection services.

18. The intelligent switching node as recited in claim 13, wherein the resource complex includes an interface that connects to a plurality of subscribers and switching networks via standard telephony connections.

19. The intelligent switching node as recited in claim 13, wherein the resource complex includes a plurality of interfaces to customer systems.

20. The intelligent switching node as recited in claim 13, wherein the resource complex utilizes a standardized interface to support facility and network management processing.

21. The intelligent switching node as recited in claim 13, wherein the resource complex includes at least one switch fabric.

22. The intelligent switching node as recited in claim 21, wherein the intelligent peripheral processes data in real time using digital signal processing techniques.

23. The intelligent switching node as recited in claim 13, wherein the resource complex includes an intelligent peripheral that processes and acts upon information within an actual call transmission path.

24. The intelligent switching node as recited in claim 13, further including means for communicably linking the resource complex to a network management system via an operations link.

25. The intelligent switching node as recited in claim 13, further including:

a first connection for communicably linking the resource complex to a bearer portion of a direct link; and

a second connection for communicably linking the processor to a signaling portion of the direct link.

26. The intelligent switching node as recited in claim 13, further comprising means for monitoring and manipulating a plurality of processing sub-elements, the sub-elements being part of the plurality of functions.

27. The intelligent switching node as recited in claim 13, further including:

means for monitoring the usage of the plurality of functions; and

means for eliminating a selected function from the plurality of functions.

28. The intelligent switching node as recited in claim 13, wherein the processor runs a virtual machine process that loads and executes a service layer execution environment.

29. The intelligent switching node as recited in claim 28, wherein the service layer execution environment hosts a plurality of software instances that implement the service processing architecture and are derived from a managed objects base class.

30. The intelligent switching node as recited in claim 28, wherein the plurality of software instances can be instantiated as needed by a network management system or during the processing of a service requested by a subscriber.

31. The intelligent switching node as recited in claim 28, wherein the service layer execution environment controls the execution of a plurality of managed objects.

32. The intelligent switching node as recited in claim 31, wherein the plurality of managed objects are encoded in an object oriented language.

33. The intelligent switching node as recited in claim 31, wherein the plurality of managed objects are encoded as Java bytecodes.

34. The intelligent switching node as recited in claim 28, wherein the service layer execution environment includes a managed object layer and a library layer.

35. The intelligent switching node as recited in claim 28, wherein an a set of operational rules are used to determine whether or not a specific managed object can be deployed and instantiated.

36. The intelligent switching node as recited in claim 35, wherein the set of operational rules are encoded within the specific managed object.

37. The intelligent switching node as recited in claim 35, wherein the set of operational rules are encoded at a network management system.

38. The intelligent switching node as recited in claim 28, wherein the network management system resolves any conflicts occurring in the set of operational rules when the managed object is deployed or instantiated.

39. The intelligent switching node as recited in claim 36, wherein the set of operational rules specific logical conditions during which the managed object is permitted or forbidden from being deployed or instantiated.

40. The intelligent switching node as recited in claim 28, wherein the set of operational rules specify physical locations where the managed object is permitted or forbidden from being deployed or instantiated.

41. The intelligent switching node as recited in claim 28, wherein the service layer execution environment further includes:

means for deploying and removing a plurality of managed objects;

means for instantiating, querying and destroying a plurality of managed object instances;

means for supporting the interaction and collaboration of the plurality of managed objects;

means for administering access to a native library;

means for communicating with an interface to a network management system to receive and implement control signals;

means for asserting a plurality of global values; and

means for controlling the starting and stopping of the plurality of managed objects.

42. The intelligent switching node as recited in claim 28, wherein the service layer execution environment includes a base class of managed objects including a service control class, a call control class, bearer control class and a resource proxy class.

43. The intelligent switching node as recited in claim 42, wherein the service control class further includes:

a session manager;

a bearer capability class;

a service arbitration class;

a feature class;

a service discriminator class;

a media independent service class; and

a connection manager class.

44. The intelligent switching node as recited in claim 42, wherein the call control class further includes an origination class and a termination class.

45. The intelligent switching node as recited in claim 42, wherein the bearer control class adapts specific signals and events to and from the resource complex via the resource proxy.

46. The intelligent switching node as recited in claim 42, wherein the resource proxy class interfaces the execution environment to a plurality of switching devices in a bearer network.

47. The intelligent switching node as recited in claim 42, wherein the resource proxy class further includes:

a phone class;

a voice response unit class;

a trunk circuit class; and

a modern class.