System optimization apparatus employing load prediction

• US 6,353,847 B1
• Filed: 10/16/1998
• Issued: 03/05/2002
• Est. Priority Date: 03/06/1998
• Status: Expired due to Fees

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Maruyama, Joji, Kawakami, Takaaki
• Primary Examiner(s): Banankhah, Majid A.
• Application Number:
  US09/173,774
• Time in Patent Office: 1,236 Days
• Field of Search: 709/100, 709/101, 709/102, 709/103, 709/104, 709/105, 709/221, 709/217, 709/241, 709/225, 707/10
• US Class Current: 718/105
• CPC Class Codes: G06F 9/5088 involving task migration

Abstract

It is one objective of the present invention to provide a control apparatus, for system optimization using load prediction, which prevents congestion and utilizes resources more efficiently.

According to the present invention, a control apparatus which employs load prediction for system optimization comprises: a plurality of processors; a control target which is controlled by the plurality of processors; a load measurement means for comparing a current load with time-transient, reference load data, for the plurality of processors, which is obtained based on previously acquired measurement data, and for employing the result to prepare a future load prediction for each of the processors; and a control means for controlling distribution of a load for a specific processor to the other processors when a predicted load for the specific processor exceeds the reference load data.

Claims

1. A control apparatus, which employs load prediction for system optimization, comprising:

a plurality of processors;

a control target which is controlled by said plurality of processors;

a load measurement means for comparing a current load with time-transient, reference load data, for said plurality of processors, which is obtained based on previously acquired measurement data, and for employing the result to prepare a future load prediction for each of said processors; and

a control means for controlling distribution of a load for a specific processor to the other processors when a predicted load for said specific processor exceeds said reference load data.

2. A control apparatus according to claim 1, wherein said load measurement means is provided for each of said plurality of processors.

9. A control apparatus according to claim 1, wherein said control means, for controlling distribution of a load imposed on a specific processor to other processors when a predicted load to be imposed on said specific processor exceeds said reference load data, regulates said predicted load when said predicted load exceeds said reference load data.

10. A control apparatus according to claim 2, wherein said control means, for controlling distribution of a load imposed on a specific processor to other processors when a predicted load to be imposed on said specific processor exceeds said reference load data, regulates said predicted load when said predicted load exceeds said reference load data.

3. A switchboard, which employs load prediction for system optimization, comprising:

a plurality of switches for switching a call;

a plurality of processors for controlling said plurality of switches;

a load measurement means for comparing a current call process load with time-transient, reference call process load data, for said plurality of processors, which is obtained based on previously acquired measurement data, and for employing the result to prepare a future call process load prediction for each of said processors; and

a control means for controlling distribution of a load for a specific processor to another processor having a low employment rate when a predicted call process load for said specific processor exceeds a predetermined permissible value which is based on said reference call process load data.

4. A switchboard according to claim 3, wherein said load measurement means is provided for each of said plurality of processors.

5. A switchboard according to claim 3, further comprising a means for notifying a maintenance man of said reference call process load data.

6. A switchboard according to claim 4, further comprising a means for notifying a maintenance man of said reference call process load data.

7. A switchboard according to claim 3, wherein a congestion level, for one of said processors, which is acquired from a future call process load prediction prepared by said load measurement means is reported to another processor.

8. A switchboard according to claim 4, wherein a congestion level, for one of said processors, which is acquired from a future call process load prediction prepared by said load measurement means is reported to another processor.

11. A switchboard according to claim 3, wherein said control means, for controlling distribution of a load imposed on a specific processor to another processor having a low employment rate when a predicted call process load for said specific processor exceeds a predetermined permissible value based on said reference call process load data, controls call process load optimization so as to regulate calls which are input.

12. A switchboard according to claim 4, wherein said control means, for controlling distribution of a load imposed on a specific processor to another processor having a low employment rate when a predicted call process load for said specific processor exceeds a predetermined permissible value based on said reference call process load data, controls call process load optimization so as to regulate calls which are input.

13. A switchboard according to claim 3, wherein said previously acquired measurement data are updated based on said current call process load.

14. A switchboard according to claim 4, wherein said previously acquired measurement data are updated based on said current call process load.

15. A switchboard according to claim 3, wherein said permissible value which is to be distributed by said control means is updated based on the latest available resources.

16. A switchboard according to claim 4, wherein said permissible value which is to be distributed by said control means is updated based on the latest available resources.

18. A network system according to claim 15, wherein said load measurement means is provided for each of said plurality of processors.

26. A network system according to claim 18, wherein said control means, for controlling distribution of a load imposed on a specific network to another network having a low employment rate when a predicted call process load for said specific network exceeds a predetermined permissible value based on said reference call process load data, controls call process load optimization so as to regulate calls which are input.

28. A network system according to claim 18, wherein said previously acquired measurement data are updated based on said current call process load.

29. A network system according to claim 11, wherein said permissible value which is to be distributed by said control means is updated based on the latest available resources.

30. A network system according to claim 18, wherein said permissible value which is to be distributed by said control means is updated based on the latest available resources.

17. A network system, which employs load prediction for system optimization, comprising:

a plurality of networks connected to a common signal line network;

a load measurement means for comparing a current call process load with time-transient, reference call process load data, for said plurality of networks, which is obtained based on previously acquired measurement data, and for employing the result to prepare a future a future call process load prediction for each of said networks; and

a control means for controlling distribution of a load for a specific network to another network having a low employment rate when a predicted call process load for said specific network exceeds a predetermined permissible value which is based on said reference call process load data.

19. A network system according to claim 17, further comprising a means for notifying a maintenance man of said reference call process load data.

20. A network system according to claim 19, further comprising a means for notifying a maintenance man of said reference call process load data.

21. A network system according to claim 17, wherein a congestion level, for one of said networks, which is acquired from a future call process load prediction prepared by said load measurement means is reported to another network.

22. A network system according to claim 19, wherein a congestion level, for one of said networks, which is acquired from a future call process load prediction prepared by said load measurement means is reported to another network.

23. A network system according to claim 17, wherein said control means, for controlling distribution of a load imposed on a specific network to other networks when a predicted load to be imposed on said specific network exceeds said reference load data, regulates said predicted load when said predicted load exceeds said reference load data.

24. A network system according to claim 19, wherein said control means, for controlling distribution of a load imposed on a specific network to other networks when a predicted load to be imposed on said specific network exceeds said reference load data, regulates said predicted load when said predicted load exceeds said reference load data.

25. A network system according to claim 17, wherein said control means, for controlling distribution of a load imposed on a specific network to another network having a low employment rate when a predicted call process load for said specific network exceeds a predetermined permissible value based on said reference call process load data, controls call process load optimization so as to regulate calls which are input.

27. A network system according to claim 17, wherein said previously acquired measurement data are updated based on said current call process load.