Node

• US 20070237139A1
• Filed: 07/14/2006
• Published: 10/11/2007
• Est. Priority Date: 04/11/2006
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Corporation
• Inventors: Garcia-Martin, Miguel A., Matuszewski, Marcin Wieslaw
• Granted Patent: US 8,693,391 B2
• Time in Patent Office: Days
• US Class Current: 370/389
• CPC Class Codes: H04L 65/1016 IP multimedia subsystem [IMS]
• CPC Class Codes: H04L 65/1063 Application servers providing network services systems providing special services to telephonic subscribers H04M3/42
• CPC Class Codes: H04L 65/1101 Session protocols
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 67/104 Peer-to-peer [P2P] networks

Abstract

This invention relates to a node for providing peer-to-peer services in a communication network, the network comprising of at least one further node. The node comprises; an input arranged to receive at least one SIP peer-to-peer request; an output arranged to transmit the at least one SIP peer-to-peer request from the node to at least one of the at least one further nodes; and wherein the input is further arranged to receive at least one SIP peer-to-peer response from the at least one further node and the output is arranged to transmit the SIP peer-to-peer response

Claims

1. A node for providing peer-to-peer services in a communication network, the network comprising of at least one further node, the node comprising;

an input arranged to receive at least one SIP peer-to-peer request;

an output arranged to transmit the at least one SIP peer-to-peer request from the node to at least one of the at least one further nodes; and

wherein the input is further arranged to receive at least one SIP peer-to-peer response from the at least one further node and the output is arranged to transmit the SIP peer-to-peer response.

2. A node as claimed in claim 1, wherein the node input is arranged to receive the at least one SIP peer-to-peer request from a user equipment via an access network.

3. A node as claimed in claim 2, wherein the node output is arranged to transmit the SIP peer-to-peer response to the user equipment via the access network.

4. A node as claimed in claim 2, wherein the user equipment is a peer-to-peer secondary node.

5. A node as claimed in claim 1, wherein the node input is arranged to receive the at least one SIP peer-to-peer request from at least one further of the further nodes.

6. A node as claimed in claim 5, wherein the node output is arranged to transmit the SIP peer-to-peer response to the at least one further of the further nodes.

7. A node as claimed in claim 1, wherein the node is a peer-to-peer primary node.

8. A node as claimed in claim 1, wherein the peer-to-peer request comprises a peer-to-peer resource publication.

9. A node as claimed in claim 8, wherein the at least one peer-to-peer resource publication request comprises a first information element.

10. A node as claimed in claim 9, wherein the node comprises a memory and is further arranged to store the first information element within the information store.

11. A node as claimed in claim 9, wherein the first information element is at least one of:

a resource name;

a file name;

a resource type;

a resource size;

a icon representing the resource;

a short description of the resource;

a hash of the resource;

a SIP URI of the address of the resource;

a terminal address of the resource;

a timestamp of the resource;

a globally routable user agent URI of the user where the file is stored;

access rights associated with the resource; and

metadata associated with the resource.

12. A node as claimed in claim 8, wherein the at least one peer-to-peer resource publication request is a SIP PUBLISH request.

13. A node as claimed in claim 1, wherein the SIP peer-to-peer request comprises a search request comprising a requested resource element.

14. A node as claimed in claim 13, wherein the search request is a SIP SUBSCRIBE request.

15. A node as claimed in claim 13, further comprising a memory wherein the node is arranged to search the memory for an address of at least one node comprising the requested resource which matches the requested resource element.

16. A node as claimed in claim 13, wherein the SIP peer-to-peer response comprises an address of a network node comprising a requested resource which matches the search request search information element.

17. A node as claimed in claim 16, wherein the SIP peer-to-peer response comprises a SIP NOTIFY message.

18. A node as claimed in claim 15, wherein the address comprises at least one of:

a SIP URI;

a network node address;

a terminal address; and

a globally routable user agent URI.

19. A node as claimed in claim 13, wherein the response message comprises the resource comprising a requested resource element, said resource element comprising at least one of:

a resource name;

a file name;

a resource type;

a resource size;

a icon representing the resource;

a short description of the resource;

a hash of the resource;

access rights associated with the resource; and

metadata associated with the resource.

20. A node as claimed in claim 1, wherein the communications network comprises an IP multimedia subsystem.

21. A node as claimed in claim 1, wherein the node is a SIP peer-to-peer application server.

22. An overlay peer-to-peer network comprising at least one node as claimed in claim 1.

39. A communications network comprising:

at least one node as claimed in claim 1,

at least one user equipment;

an access network arranged to receive a SIP peer-to-peer request transmitted from the at least one user equipment; and

an IP multimedia network core arranged to receive the SIP peer-to-peer request from at least the access network and other IP multimedia networks;

wherein the node is arranged to receive the SIP peer-to-peer request from the IP multimedia network core.

40. A communications network as claimed in claim 39, wherein the IP multimedia network is arranged to receive the SIP peer-to-peer response transmitted from the node for the at least one user equipment, and is further arranged to forward the SIP peer-to-peer response to the access network, and the access network is arranged to forward the SIP peer-to-peer response to the at least one user equipment.

23. A user equipment arranged to communicate with a node for providing peer-to-peer services in a communication network, wherein the node is in use a node in a network comprising of at least one further node, the user equipment comprising;

an output arranged to transmit at least one SIP peer-to-peer request to the node via an access network; and

an input arranged to receive at least one SIP peer-to-peer response from the node via the access network.

24. A user equipment as claimed in claim 23, wherein the at least one SIP peer-to-peer request is a peer-to-peer resource publication.

25. A user equipment as claimed in claim 24, wherein the at least one peer-to-peer resource publication request comprises a first information element.

26. A user equipment as claimed in claim 25, wherein the first information element is at least one of:

a resource name;

a file name;

a resource type;

a resource size;

a icon representing the resource;

a short description of the resource;

a hash of the resource;

a SIP URI of the address of the resource;

a terminal address of the resource;

a timestamp of the resource;

a globally routable user agent URI of the user where the file is stored;

access rights associated with the resource; and

metadata associated with the resource.

27. A user equipment as claimed in claim 24, wherein the at least one peer-to-peer resource publication request is a SIP PUBLISH request.

28. A user equipment as claimed in claim 23, wherein the SIP peer-to-peer request is a search request comprising a requested resource element.

29. A user equipment as claimed in claim 28, wherein the search request is a SIP SUBSCRIBE request.

30. A user equipment as claimed in claim 23, wherein the SIP peer-to-peer response comprises an address of a node comprising a requested resource which matches the search request search information element.

31. A user equipment as claimed in claim 30, wherein the SIP peer-to-peer response is a SIP NOTIFY message.

32. A user equipment as claimed in claim 30, wherein the address comprises at least one of:

a SIP URI;

a network node address;

a terminal address; and

a globally routable user agent URI.

33. A user equipment as claimed in claim 30, wherein the response message comprises the resource comprising a requested resource element, said resource element comprising at least one of:

a resource name;

a file name;

a resource type;

a resource size;

a icon representing the resource;

a short description of the resource;

a hash of the resource;

access rights associated with the resource; and

metadata associated with the resource.

34. A user equipment as claimed in claim 30, wherein the input is arranged to receive at least one further SIP peer-to-peer response from the node via the access network.

35. A user equipment as claimed in claim 34, wherein the at least one further SIP peer-to-peer response comprises an address of a further node comprising the requested resource which matches the search request search information element.

36. A user equipment as claimed in claim 30, arranged to display the address of the node comprising the requested resource which matches the search request search information element.

37. A user equipment as claimed in claim 30, wherein the user equipment is arranged to communicate with the node comprising the requested resource which matches the search request resource element to access the requested resource.

38. A user equipment as claimed in claim 37, wherein the user equipment is arranged to initiate the communication with the node comprising the requested resource which matches the search request resource element to access the requested resource by transmitting a SIP request.

41. A method for operating a SIP peer-to-peer network between nodes within a communications network comprising the steps of:

receiving at a node at least one SIP peer-to-peer request;

transmitting from the node the at least one SIP peer-to-peer request to at least one other node;

receiving at the node a SIP peer-to-peer response message from the at least one other node; and

transmitting from the node the SIP peer-to-peer response message to the mobile user equipment.

42. A method as claimed in claim 41, wherein the at least one SIP peer-to-peer request is received from a user equipment via an access network.

43. A method as claimed in claim 42, wherein the SIP peer-to-peer response is transmitted to the user equipment via the access network.

44. A method as claimed in claim 41, wherein the at least one SIP peer-to-peer request is received from at least one further node.

45. A method as claimed in claim 44, wherein the SIP peer-to-peer response is transmitted to the at least one further node.

46. A method as claimed in claim 41, wherein the SIP peer-to-peer request is a publication request comprising a first information element.

47. A method as claimed in claim 46, further comprising the step of storing the first information element within an information store of the node.

48. A method as claimed in claim 46, wherein the first information element is at least one of:

a resource name;

a file name;

a resource type;

a resource size;

a icon representing the resource;

a short description of the resource;

a hash of the resource;

a SIP URI of the address of the resource;

a terminal address of the resource;

a timestamp of the resource;

a globally routable user agent URI of the user where the file is stored;

access rights associated with the resource; and

metadata associated with the resource.

49. A method as claimed in claim 41, wherein the publication request is a SIP PUBLISH request.

50. A method as claimed in claim 41, wherein the peer-to-peer request is a search request comprising a search information element.

51. A method as claimed in claim 50, wherein the search request is a SIP SUBSCRIBE request.

52. A method as claimed in claim 41, further comprising the step of searching an information store for an address of a node comprising a resource which matches the search request search information element.

53. A method as claimed in claim 52, wherein the response message comprises the address of the node comprising the resource which matches the search request search information element.

54. A method as claimed in claim 52, wherein the response message is a SIP NOTIFY request.

55. A method as claimed in claim 54, wherein the address of the node comprises at least one of:

a SIP URI;

a network node address;

a terminal address; and

a globally routable user agent URI.

56. A method according to claim 53, wherein the response message comprises the requested resource which matches the search request search information element, including at least one of:

a resource name;

a file name;

a resource type;

a resource size;

a icon representing the resource;

a short description of the resource;

a hash of the resource;

access rights associated with the resource; and

metadata associated with the resource.

57. A computer program arranged to operate on a computer for operating a peer-to-peer network between nodes within a wireless communications network comprising the steps of:

receiving at a node at least one peer-to-peer request;

transmitting from the node the at least one peer-to-peer request to at least one other node;

receiving at the node a response message from the at least one other node; and

transmitting from the node the response message.