Method and apparatus for network service reservations over wireless access networks

• US 7,054,938 B2
• Filed: 02/07/2001
• Issued: 05/30/2006
• Est. Priority Date: 02/10/2000
• Status: Expired due to Fees

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Timus, Bogdan, Schelén, Olov, Norrgáard, Joakim, Sundqvist, Jim, Hannu, Hans
• Primary Examiner(s): Caldwell, Andrew
• Assistant Examiner(s): WILLETT, STEPHAN F
• Application Number:
  US09/778,004
• Publication Number:
  US 20010032262A1
• Time in Patent Office: 1,938 Days
• Field of Search: 709/223, 709/227, 709/240, 340/2.1, 370/235, 370/236
• US Class Current: 709/227
• CPC Class Codes: H04L 47/10 Flow control; Congestion control
• CPC Class Codes: H04L 47/15 in relation to multipoint traffic arrangements for broadcast or multicast in data networks H04L12/18
• CPC Class Codes: H04L 47/70 Admission control; Resource allocation
• CPC Class Codes: H04L 47/724 at intermediate nodes, e.g. resource reservation protocol [RSVP]
• CPC Class Codes: H04L 47/781 Centralised allocation of resources
• CPC Class Codes: H04L 47/785 among multiple network domains, e.g. multilateral agreements
• CPC Class Codes: H04L 47/805 QOS or priority aware
• CPC Class Codes: H04L 47/822 Collecting or measuring resource availability data
• CPC Class Codes: H04L 47/824 Applicable to portable or mobile terminals
• CPC Class Codes: H04L 47/826 Involving periods of time
• CPC Class Codes: H04L 47/83 based on usage prediction
• CPC Class Codes: H04L 69/169 Special adaptations of TCP, UDP or IP for interworking of IP based networks with other networks protocols for interworking, protocol conversion H04L69/08
• CPC Class Codes: H04L 9/40 Network security protocols
• CPC Class Codes: H04W 28/26 Resource reservation
• CPC Class Codes: H04W 8/04 Registration at HLR or HSS [Home Subscriber Server]

Abstract

Methods and apparatus are provided for reserving resources in a wireline network from a wireless network. A resource reservation request is made by a service client to a service broker. The service broker contacts a bandwidth broker to determine the available resources in the wireline network. The service broker also contacts a geographical domain server for information related to wireless access for the requested reservation. Using information provided by the geographical domain server, the service broker contacts a radio bearer broker to determine the resources available in a particular wireless network. Based upon the information provided by bandwidth brokers and radio bearer brokers, the service client can reserve the requested resources.

Claims

1. A method for managing resource services between terminals in communication networks, the method comprising the steps of:

sending a resource reservation request, for service between a service client terminal and one or more terminals, to a service broker (SB) in an access network, wherein each terminal is a wireless or a wired terminal and each terminal is a fixed or a mobile terminal;

upon receiving the resource reservation request in advance of, or at the time of, the need for the resource,

the service broker providing wireless service for a specific geographic area by identifying the most suitable access technology out of all possible available access technologies to provide the requested service;

responsive to the reservation request, the SB setting up reservations for the requested service by

communicating with a geographic domain server (GDS) to determine the geographic location corresponding to the requested resource service;

communicating with a radio bearer broker (RBB) coupled to the access network associated with each of the one or more terminals to determine whether there is sufficient resources available and to gain admission to each associated access network;

communicating with a bandwidth broker (BB) to determine whether there are sufficient resources for the requested service in the BB'"'"'s muting domain, and to make an advance resource reservation or an immediate reservation; and

allocating the requested resources to the service client terminal and the one or more terminals.

2. The method of claim 1, wherein responsive to a request for specific quality of service (QoS) the service broker

determining a suitable access network by querying the geographic domain server, the one or more radio bearer brokers and the bandwidth broker to set up the reservation.

3. The method of claim 1, wherein the service broker acts as a gateway for the service client terminal to entities in the communication networks, comprising the GDS, the RBB and the BB, that are utilized for guaranteeing the requested resource reservation.

4. The method of claim 1, wherein bandwidth brokers are implemented in the Internet backbone.

5. The method of claim 1, wherein the radio bearer broker is adapted for handling service requirements of various types of traffic communicated over a radio access interface in the access network.

6. The method of claim 1, wherein the access network is a wired network.

7. The method of claim 1, wherein the access network is a wireless network.

8. The method of claim 1, wherein a network node, or nodes, each implement a radio bearer in each access network according to the needs of the specific access network.

9. The method of claim 1, wherein the reservation request is sent to the service broker by a terminal other than the service client terminal and

the reservation request is for a geographic location that is the same as the geographic location of the service client terminal or is different from the location of the service client terminal.

10. The method of claim 1, further comprising the steps of:

sending a guaranteed reservation request via a first network and

sending a non-guaranteed reservation request via an overlapping network having a different access technology.

11. The method of claim 10, further comprising the step of:

determining that the guaranteed reservation is denied in the first network and utilizing the reservation request in the overlapping network.

12. The method of claim 1, wherein the service broker associated with a first network operator is adapted to contact a service broker associated with another network operator to determine if resources are available to enable the resource reservation request.

25. The method of claim 1, wherein the access network is arranged to allow the service client to directly contact bandwidth brokers and the service client does not contact the service broker.

13. An apparatus for managing resource services between terminals in communication networks, the apparatus comprising:

a service broker (SB) in an access network adapted for receiving a resource reservation request for service between a service client terminal and one or more terminals, wherein each terminal is a wireless or a wired terminal and each terminal is a fixed or a mobile terminal;

the service broker, upon receiving the resource reservation request in advance of, or at the time of, the need for the resource, providing wireless service for a specific geographic area by identifying the most suitable access technology out of all possible available access technologies to provide the requested service and setting up reservations for the requested service by

communicating with a geographic domain server (GDS) to determine the geographic location corresponding to the requested resource service;

communicating with a radio bearer broker (RBB) coupled to the access network associated with each of the one or more terminals to determine whether there is sufficient resources available and to gain admission to each associated access network;

communicating with a bandwidth broker (BB) to determine whether there are sufficient resources for the requested service in the BB'"'"'s routing domain, and to make an advance resource reservation or an immediate reservation; and

the service broker adapted to allocate the requested resources to the service client terminal and the one or more terminals.

14. The apparatus of claim 13, wherein the SB is further adapted for choosing a suitable access network having a requested quality of service according to information received from the geographic domain server, the one or more radio bearer brokers and the bandwidth broker.

15. The apparatus of claim 14, wherein the service broker acts as a gateway for the service client terminal to entities in the communication networks, comprising the GDS, the RBB and the BB, that are utilized for guaranteeing the requested resource reservation.

16. The apparatus of claim 14, wherein the bandwidth broker is implemented in the Internet backbone and operates in an heuristic mode for advance resource reservations.

17. The apparatus of claim 14 wherein the radio bearer broker is adapted to handle service requirements of various types of traffic communicated over a radio access interface in the access network.

18. The apparatus of claim 14, wherein the access network is a wired network.

19. The apparatus of claim 14, wherein the access network is a wireless network.

20. The apparatus of claim 14, wherein the radio bearer broker is implemented in a network node or nodes in each access network according to the needs of the specific access network.

21. The apparatus of claim 14, wherein the service broker is further adapted to handle a resource reservation from a terminal other than the service client terminal, wherein the reservation request is for a geographic location that is the same as the geographic location of the service client or is different from the location of the service client.

22. The apparatus of claim 14, further comprising:

means for sending a guaranteed reservation request via a first network and for sending a non-guaranteed reservation request via an overlapping network having a different access technology.

23. The apparatus of claim 22, further comprising the step of

means for utilizing the non-guaranteed reservation request in the overlapping network upon determination that the guaranteed reservation is denied in the first network.

24. The apparatus of claim 13, wherein the service broker associated with a first network operator is adapted to contact a service broker associated with another network operator to determine if resources are available in the another network to enable the resource reservation request.

26. The apparatus of claim 13, wherein the access network is arranged to allow the service client to directly contact bandwidth brokers and the service client does not contact the service broker.