Controlling service requests transmitted from a client to a server

US 8,082,318 B2
Filed: 08/30/2002
Issued: 12/20/2011
Est. Priority Date: 09/28/2001
Status: Expired due to Fees

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1. A computer-implemented method of controlling service requests to a first module acting as a server module from a second module acting as a client module, wherein:

at the second module, service requests originated at the second module are intercepted and controlled prior to transmission of the service requests to the first module by queuing the service requests at the client and delaying transmission of the queued service requests as needed to smooth the frequency of requests transmitted to the first module,transmission of the service requests is controlled in accordance with control information received from the first module,a control intermediary in the second module periodically polling the first module to obtain updated control information.

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Abstract

A method and system for controlling service requests from a client to a server involves intercepting and controlling the transmission of service requests from the client to the server. The service requests are queued at the client and the transmission of the queued service requests are delayed to smooth the frequency of service requests transmitted to the server.

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24 Claims

1. A computer-implemented method of controlling service requests to a first module acting as a server module from a second module acting as a client module, wherein:
- at the second module, service requests originated at the second module are intercepted and controlled prior to transmission of the service requests to the first module by queuing the service requests at the client and delaying transmission of the queued service requests as needed to smooth the frequency of requests transmitted to the first module,transmission of the service requests is controlled in accordance with control information received from the first module,a control intermediary in the second module periodically polling the first module to obtain updated control information.
- View Dependent Claims (2, 3, 7, 8, 9, 15, 16, 17, 23)
- - 2. The method according to claim 1, wherein the control information received from the first module is available locally at the second module from a store of the second module.
  - 3. The method according to claim 1, wherein the service requests relate to at least one of a plurality of service capabilities provided by the first module, in which the transmission of a service request is controlled depending upon at least one service capability to which the request relates.
  - 7. The method according to claim 1, further comprising:
    - at the first module, identifying an unacceptable service request from a second module if the first module lacks an indication that a control intermediary is operating at the second module.
  - 8. The method according to claim 7, further comprising:
    - at the first module, upon receiving an unacceptable service request the first module transmitting to the second module instructions for implementing a control intermediary at the second module.
  - 9. The method according to claim 1, further comprising:
    - at the first module, upon receiving a first service request for a service capability, transmitting to the second module instructions for implementing control, at the second module, of further transmission of service requests to said first module.
  - 15. The system according to claim 1, wherein:
    - the first module is arranged to send updated control information to the second module upon receipt of polling by the second module.
  - 16. The system according to claim 15, wherein the control information comprises a polling rate for the intermediary, and the polling rate is controlled to avoid flooding the first module with service requests.
  - 17. The system according to claim 15, wherein:
    - the control intermediary is arranged to provide an identification of the second module and/or user when polling the first module; and
      
      the first module is arranged to select control information to send to the second module based on identification of the second module and/or user.
  - 23. A non-transitory storage medium carrying computer readable code representing instructions for causing at least one or more computer to perform the method according to claim 1 when the instructions are executed by said at least one computer.

4. A computer-implemented method of controlling service requests to a first module acting as a server module from a second module acting as a client module, wherein:
- at the second module, service requests originated at the second module are intercepted and controlled prior to transmission of the service requests to the first module by queuing the service requests at the client and delaying transmission of the queued service requests as needed to smooth the frequency of requests transmitted to the first module,transmission of the service requests is controlled in accordance with control information received from the first module,the first module receiving from the second module in addition to the control information an address of a third module of the computer system, said third module being suitable for providing a service capability in the event that the transmission to the first module of service requests for the same service capability are unduly delayed.
- View Dependent Claims (5, 6)
- - 5. The method according to claim 4, wherein the control information comprises a polling rate for the second module to use in obtaining further control information, and the polling rate is controlled to avoid flooding the first module with service requests.
  - 6. The method according to claim 5, said polling comprising providing an identification of the second module and/or user, the method further comprising:
    - at the first module, selecting control information to send to the second module based on the identification of the second module and/or user.

10. A computer system including a non-transitory storage medium for storing software modules, said system comprising:
- a first module acting as a server module; and
  
  a second module acting as a client module arranged to originate and send service requests to the first module,the second module comprising a control intermediary arranged to intercept and control the service requests prior to transmission of the service requests to the first module by queuing the service requests at the client and delaying transmission of the queued service requests as needed to smooth the frequency of requests transmitted to the first module,wherein transmission of the service requests is controlled in accordance with control information received from the first module, andwherein a control intermediary in the second module is configured to periodically poll the first module to obtain updated control information.
- View Dependent Claims (11, 12, 13, 14, 18, 19, 20, 21, 22)
- - 11. The system according to claim 10, wherein:
    - the control intermediary is arranged to control transmission of the service requests in accordance with control information received from the first module.
  - 12. The system according to claim 11, wherein:
    - the intermediary is arranged to access the control information locally from a store of the second module.
  - 13. The system according to claim 11, wherein the service requests relate to at least one of a plurality of service capabilities provided by the first module, and in which:
    - the intermediary is arranged to control transmission of a service request depending upon at least one service capability or capabilities to which the request relates.
  - 14. The system according to claim 11, wherein:
    - the first module is arranged to send to the second module an address of a third module of the computer system in addition to the control information, said third module being suitable for providing a service capability in the event that the control intermediary inhibits transmission of service requests for the same service capability.
  - 18. The system according to claim 10, wherein:
    - the first module is arranged to identify an unacceptable service request from the second module if the first module lacks an indication that a control intermediary is operating at the second module.
  - 19. The system according to claim 10, wherein:
    - the first module is arranged, upon receipt of an unacceptable service request, to transmit to the second module instructions for implementing a control intermediary at the second module.
  - 20. The method according to claim 10, wherein:
    - the first module is arranged, upon receipt of a first service request for a service capability, to transmit to the second module instructions for implementing a control intermediary at the second module.
  - 21. A computer including a non-transitory storage medium for storing software modules, and arranged to act as a first module of the system according to claim 10.
  - 22. A computer including a non-transitory storage medium for storing software modules, and arranged to act as a second module of the system according to claim 10.

24. A computer system including a non-transitory storage medium for storing software modules, said system comprising:
- a first module acting as a server module; and
  
  a second module acting as a client module arranged to originate and send service requests to the first module,the second module comprising a control intermediary arranged to intercept and control the service requests prior to transmission of the service requests to the first module by queuing the service requests at the client and delaying transmission of the queued service requests as needed to smooth the frequency of requests transmitted to the first module,wherein transmission of the service requests is controlled in accordance with control information received from the first module,the first module receiving from the second module in addition to the control information an address of a third module of the computer system, said third module being suitable for providing a service capability in the event that the transmission to the first module of service requests for the same service capability are unduly delayed.

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Litigation Data

Current Assignee
Google LLC (Alphabet Inc.)
Original Assignee
British Telecommunications PLC (BT Group PLC)
Inventors
Roxburgh, David, Farley, Patrick B, Beddus, Simon A, Hosking, Michael R
Primary Examiner(s)
WASEL, MOHAMED A

Application Number

US10/488,777
Publication Number

US 20040249944A1
Time in Patent Office

3,399 Days
Field of Search

709217-219, 709/223, 709/225
US Class Current

709/217
CPC Class Codes

G06F 2209/542   Intercept

G06F 9/50   Allocation of resources, e....

G06F 9/5083   Techniques for rebalancing ...

G06F 9/54   Interprogram communication

Controlling service requests transmitted from a client to a server

First Claim

6 Assignments

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Abstract

21 Citations

24 Claims

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Controlling service requests transmitted from a client to a server

First Claim

6 Assignments

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Litigations

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Accused Products

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Abstract

21 Citations

24 Claims

Specification

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