JP2933478B2 - Switching system resource control method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resource control method for a switching system, and more particularly to a resource control method for a switching system having a multiprocessor configuration.

[0002]

2. Description of the Related Art Conventionally, in a resource control method of a switching system having a multiprocessor configuration of this type, a main processor collectively manages resources of the entire system and implements a When using various resources, the processor inquires about the usage status of the resource corresponding to the main processor.

FIG. 3 is a block diagram showing an example of a resource control method of a conventional switching system.

Referring to FIG. 3, this conventional switching system comprises a main processor 6 for performing circuit switching service processing.
0 and two sub-processors 70 and 80 which respectively perform packet switching service processing are connected via a control bus 40. The switching system has a function-distributed multiprocessor configuration. The sub-processors 70 and 80 are connected via a packet bus 50. I have.

The sub-processor 70 hunts various resources (not shown) in its own sub-processor to process the packet switching service, the hunted resource, the control bus 40 and the packet terminal 25.
And a signal distribution control unit 72 for transmitting and receiving various signals to and from the device.

Similarly, the sub processor 80 hunts resources (not shown) in its own sub processor to process a packet switching service, a packet control unit 81, the hunted resources, the control bus 40, and the packet terminal 35. Signal distribution control unit 82 for transmitting and receiving various signals between
And

The main processor 60 also manages the resources in the sub-processors 70 and 80 collectively, and hunts the line call service resources managed by the resource manager 61 to switch the line. A line call control unit 62 for performing service processing is provided, for example, for performing circuit switching service processing between the telephone terminals 26 and 36.

When each of the sub-processors, for example, the sub-processor 70 performs the packet switching service, the packet control unit 71 reports the use status of the resources for the packet call service to the main processor through the signal distribution control unit 72 and the control bus 40. 60 resource management units 6
Inquiry is made once to hunt the free packet call service resources to perform packet switching service processing.

The other sub-processors 80 perform packet switching service processing in the same manner as the sub-processors 70.

[0010]

According to the conventional resource control method of the switching system, when each sub-processor uses various resources, the main processor which performs the resource management of the whole system collectively is used. Inquiry about the resource usage status required when using various resources in each subprocessor, the load on the main processor was raised even though this switching system had a multiprocessor configuration. There was a problem that it was not reduced.

In addition, each sub-processor needs to make an inquiry about the use status of the resource to be used each time the resource is used, so that there is a problem that the processing being executed is interrupted.

[0012] It is an object of the present invention to provide a system in which a main resource management unit in a main processor performs a line call from a sub-resource management unit in a sub-processor in accordance with resource regulation data managed in advance by a resource regulation data management unit when the switching system is restarted. By hunting the service resources and managing the packet call service resources in each subprocessor, each subprocessor needs to inquire the main processor about the usage status of the packet call service resources. An object of the present invention is to provide a resource control method for a switching system which has been lost.

[0013]

According to the present invention, a main processor for performing circuit switching service processing, a main processor for performing respective paths, and a plurality of sub-processors for performing packet call services are connected via a control bus. In a multiprocessor switching system in which the sub-processors are connected by a packet path, each of the sub-processors manages a resource accommodated in its own sub-processor and hunts the managed resources to realize a packet call service. The main processor holds and manages regulation data of resources that can be used for various services among the resources managed by the sub-processor, and transmits a line from the sub-processor through the control bus in accordance with the regulation data of the resources. For call service Resource control method of the switching system, characterized in that to realize a circuit call service hunt source is obtained.

Each of the sub-processors includes a sub-resource management unit that manages the resources in its own sub-processor, a packet control unit that implements a packet switching service by hunting any resources from the sub-resource management unit, A signal distribution control unit that transmits and receives various signals between the resources and the control bus, wherein the main processor is a resource management unit that manages resources that can be used for various services among the resources managed by the sub-resource management unit. A resource regulation data management unit for holding regulation data, and a hunting resource for a line call service through the control bus from the sub-resource management unit according to the resource regulation data managed by the resource regulation data management unit. Main resource management unit that manages resources for call service Resource control method of the switching system, characterized in that it comprises a circuit call control unit for implementing a circuit switched service and hunt the resources of the a circuit call service managed by the main resource manager is obtained.

[0015]

Next, the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of a resource control system of the switching system according to the present invention.

Referring to FIG. 1, a switching system according to the present embodiment includes a main processor 10 for performing circuit switching service processing.
And a switching system having a function-distributed multiprocessor configuration in which two sub-processors 20 and 30 for performing packet switching service processing are connected through a control bus 40.
0 is connected.

The sub-processor 20 has a sub-resource management unit 21 for managing resources (devices for checking the line state to the packet terminal 25, the telephone terminal 26 and the like and performing memory control) 24 within the sub-processor 20; Part 2
A packet control unit 22 for hunting any resource 24 from 0 to process a packet switching service; a signal distribution control unit 23 for transmitting and receiving various signals between the hunted resource 24 and the control bus 40 and the packet terminal 25; It has.

Similarly, the sub-processor 30 has a sub-resource management unit 31 for managing the resources 34 in its own sub-processor, and a packet control unit for hunting any resources 34 from the sub-resource management unit 31 and performing packet switching service processing. And a signal distribution control unit 33 for transmitting and receiving various signals between the hunted resource 34, the control bus 40, and the packet terminal 35.

The main processor 10 is a resource regulation data management unit that holds regulation data of resources that can be used for various services among the resources managed by the sub resource management units 21 and 31 of the sub processors 20 and 30. In accordance with the resource regulation data managed by the resource regulation data management unit 11, the resources for the line call service are hunted through the control bus 40 from the sub-resource management units 21 and 31 of the sub-processors 20 and 30, and the hunting is performed. And a line call control unit 13 for hunting line call service resources managed by the main resource management unit 12 and performing circuit switching service processing.

The resource regulation data management section 11 holds resource regulation data having the configuration shown in FIG.

FIG. 2 is a data configuration diagram showing an example of data stored in the resource regulation data management section in FIG.

In FIG. 2, sub processor numbers # 1,
..., resource numbers # 1, # 2, # 3 possessed for each #N
The regulation data of the resource # 4 is stored. The regulation data “00” indicates that the resource cannot be used, “01” indicates that for the line call service, and “10” indicates that for the packet call service.

Next, the operation of this embodiment will be described with reference to FIGS.

When the switching system is restarted, the main resource management unit 12 in the main processor 10 is held and managed by the resource regulation data management unit 11 in FIG.
Only the resources for the line call service (resources whose regulation data is “01”) in the regulation data of the format shown in
Sub resource management unit 2 in sub processors 20 and 30
Hunt from 1,31. That is, the main resource management unit 12 manages the vacant / in-use state of the resource hunted as the line call service resource.

In the sub-resource management units 21 and 31,
The resources that are not hunted by the main resource management unit 12 are used as the resources for the packet call service, and the idle state and the busy state are managed.

First, the packet terminals 25 and 3
When a packet switching service is performed with the packet terminal 5, the signal distribution control unit 23 receives a packet signal from the packet terminal 25. The signal distribution control unit 23 transmits the received packet signal to the packet control unit 22.

The packet control unit 22 analyzes the received packet signal and hunts the required packet call service resources 24 from the sub-resource management unit 21.
The packet is transmitted to the packet controller 32 through the signal distribution controller 23, the packet bus 50, and the signal distribution controller 33 in the sub-processor 30.

The packet control unit 32 analyzes the received packet signal and hunts the required packet call service resources 34 from the sub-resource management unit 31.
The packet terminal 25 and the packet terminal 3 are determined using a known procedure.
5 (packet terminal 25 → signal distribution control unit 2)
3 → Packet control unit 22 → Sub resource management unit 21 → Resource 24 → Sub resource management unit 21 → Packet control unit 22 → Signal distribution control unit 23 → Packet bus 50 → Signal distribution control unit 33 → Packet control unit 32 → Sub resource Management unit 31 → resource 34 → sub-resource management unit 31 → packet control unit 32 → signal distribution control unit 33 → packet terminal 3
By setting 5), a packet exchange service between both packet terminals 24 and 34 is realized.

Next, when performing a circuit switching service between the telephone terminal 26 and the telephone terminal 36, a connection request signal from the telephone terminal 26 is transmitted through the signal distribution control unit 23 and the control bus 40 in the sub-processor 20 to the main. Processor 10
Is transmitted to the line call control unit 13 in the network.

The line call control unit 13 analyzes the received connection request signal, and manages the resources as resources for the line call service in advance.
From the required resources 24, 3 for the line call service
After hunting, the path (telephone terminal 26 → signal distribution controller 23 → control bus 40 → sub processor 30) between telephone terminal 26 and telephone terminal 36 accommodated in Signal distribution control unit 33 →
By setting the telephone terminal 36), a circuit switching service between the telephone terminals 26 and 36 is realized.

Therefore, according to this embodiment, when the sub-processor performs the packet switching service processing, the main processor does not inquire of the use state of the resource for the packet call service, so that the load on the main processor can be reduced. Yes, and the process being executed is not interrupted.

[0033]

As described above, according to the present invention, when the switching system is restarted, the main resource management unit in the main processor controls the sub-resources in the sub-processor according to the resource regulation data managed in advance by the resource regulation data management unit. Hunt the resources for the circuit call service from the management unit and perform the circuit switching service processing.
By performing packet switching service processing by managing the resources for the packet call service in each sub-processor, it is not necessary to inquire about the usage status of the resources for the packet call service from each sub-processor to the main processor. This has the effect of reducing the load on the main processor and not interrupting the processing being executed by the sub-processor.

Each sub-processor has an effect that various service processes can be realized without synchronization with the main processor.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a resource control method of a switching system according to the present invention.

FIG. 2 is a data configuration diagram showing an example of data stored in a resource regulation data management unit in FIG.

FIG. 3 is a block diagram showing an example of a resource control method of a conventional switching system.

[Explanation of symbols]

 10, 60 main processor 11 resource regulation data management unit 12 main resource management unit 13, 62 line call control unit 20, 30, 70, 80 sub processor 21, 31 sub resource management unit 22, 32, 71, 81 packet control unit 23 , 33, 72, 82 Signal distribution control unit 24, 34 Resource 25, 35 Packet terminal 26, 36 Telephone terminal 40 Control bus 50 Packet bus 61 Resource management unit

Claims (2)

(57) [Claims] 1. A multiprocessor switching system in which a main processor for performing circuit switching service processing and a plurality of sub-processors each for performing packet switching service processing are connected through a control bus and the sub-processors are connected by a packet path. In the system, each of the sub-processors manages resources in its own sub-processor, hunts the managed resources to realize a packet switching service, and the main processor manages various resources among the resources managed by the sub-processor. The present invention is characterized in that it holds and manages regulation data of resources that can be used for each service, and realizes a circuit switching service by hunting resources for a circuit call service from the sub-processor through the control bus according to the regulation data of the resources. And exchange System resource control method. 2. Each of the sub-processors has a sub-resource management unit that manages the resources in its own sub-processor;
A packet control unit that hunts any resources from the sub-resource management unit to realize a packet switching service;
A signal distribution control unit that transmits and receives various signals between the resources and the control bus, wherein the main processor is a resource management unit that manages resources that can be used for various services among the resources managed by the sub-resource management unit. A resource regulation data management unit for holding regulation data, and hunting a line call service resource through the control bus from the sub-resource management unit according to the resource regulation data managed by the resource regulation data management unit. A main resource management unit for managing the resources for the line call service, and a line call control unit for hunting the resources for the line call service managed by the main resource management unit to realize the circuit switching service. The switching system resource control method according to claim 1, further comprising: