JPS6079850A - Communication processing device - Google Patents

Abstract

PURPOSE:To detect easily a fault of a communication control section at a common processing section by providing a means supervising the generation of a specified check point signal and its order to the communication control section. CONSTITUTION:One of communication control sections 2a-2m is selected via a control line 101 by the indication of a common control section 1. A common control section 21 of the control section 2a starts the operation by the first control indication from a processing section 1 to intervene the transmission/ reception of data with line control sections 24a-24n and the control section 1. The control section 21 sets a check point C of the function operation for control operation and supervises whether or not a CP signal 201 is outputted in the specified order by using a supervising section 22. When the control section 21 is operated in the specified combination of the CP and the order, the supervising section 22 generates a normal operation end signal 202 for a prescribed time. When the signal 202 is not generated within a prescribed time, a detection section 23 decides that the control section 21 is at fault, and outputs a fault report signal 103 to the control section 1.

Description

[Detailed description of the invention] [Technical field to which the invention pertains] The present invention relates to communication control of an information processing device.

In particular, the present invention relates to a communication processing device that detects when an abnormality occurs in a specific JM communication control unit in a device that connects a plurality of communication control units, and performs abnormality processing.

[Description of prior art]

Conventionally, in this type of communication processing device, when a plurality of communication control units are connected, it is necessary to periodically monitor whether each communication control unit is operating normally by a common processing means. As a result, the load on the common processing means becomes heavy, and the functionality that should originally be implemented is restricted, resulting in a decrease in performance.

[Purpose of the invention]

The present invention solves the above-mentioned problem, and eliminates the deterioration of communication processing function caused by a common processing unit periodically monitoring whether a plurality of communication control units are operating normally, and improves the communication control unit itself. It is an object of the present invention to provide a communication processing device that can easily detect an abnormality in a communication control unit and report the abnormality.

[Features of the invention]

In the present invention, a plurality of m (1,!1) communication control units are 1117J
The communication controller is configured to be connected to a common processing unit and controlled by the common processing unit, and each communication control unit has a common control unit ( In the communication processing device described in 1. above, the common control unit is configured to monitor points on the circuit where the control signal always passes in chronological order when controlling the communication lines corresponding to the plurality of n communication lines. A plurality of n hardware means for branching and outputting the signal at the point as a point are provided, and the communication control section includes a monitoring section for constantly monitoring the plurality of n signals branched from the signal monitoring point; The present invention is characterized by comprising a detection means for detecting an abnormality and sending an abnormality detection signal to the common processing section when a preset number of signals do not arrive at the monitoring section within a predetermined time.

[Explanation based on examples]

The attached figure is a block diagram of an apparatus according to an embodiment of the present invention.

One common processing unit 1 is connected to m communication control units 28 to 2m. The output of the control line 101 of the common processing section 1 is input to the common control section 21 of the communication control section 2a. Further, the output of the data line 102 of the common jm processing section 1 is input to another input terminal of the common control section 21.

One output group of the common control section 21 is connected to the line control section 24.
It is output to the outside of the communication control unit 2a via a, 24b, . . . , 24n. The other output group 201 of the common control section 21
a, 201b . . . 20In outputs are input to the monitoring section 22.

The output of the monitoring section 220 (same for other monitoring sections) is input to the detection section 23 via the normal operation completion signal line 202. Further, the output of the abnormality report line 103 of the common processing section 1 is inputted to the detection section 23. The common control units 2b to 2m are also connected in the same manner.

Next, the operation of the communication processing device according to the present invention will be explained. This device is operated by a control line, 10
Communication control unit (2a, 2b...2n+
) is selected. Here, the case where the communication control section 2a is selected will be explained.

In the communication control unit 2a, the common control unit 21 starts operating in response to the first control instruction from the common processing unit 1, and thereafter the control units 24a, 24b, . . . 2 rotate under the control of the common control unit 21.
4n operating state and send/receive data to the common processing unit 1.
The line control unit 24a~ is instructed to do so via the data line 102.
Mediates exchanges with 24n. The common control unit 21, which controls a series of data transmission and reception operations through such communication circuit control, sets checkpoints for functional operations that must be executed in order to perform these control operations. The signal lines 201a, 201b...201n are connected to the common control unit 2
A monitoring unit 22 monitors whether signals on the checkpoint signal line 201 are output in a prescribed order from the time when the checkpoint signal line 201 is activated. Since the signals and generation order of the signals on the checkpoint signal line 201 change depending on the type of control operation, the monitoring unit 22 has a function that can monitor the signals and generation order of a plurality of checkpoint signal lines 201 in combination. ing. When the common control section 21 is operating in accordance with the prescribed combination and order of checkpoints, a signal on the normal operation completion signal line 202 is generated from the monitoring section 22 at a constant time. Although the period of the signal on the signal line 202 is not necessarily constant, it is always outputted once or multiple times within a certain period of time. If the common control section 21 stops or performs an incomplete operation, the signals on the checkpoint signal line 201 specified in the monitoring section 22 will not arrive in the specified order).

At this time, the normal operation completion signal line 2 of the common control unit 21
Do not output the 02 credence. That is, for a condition in which the signal on the normal operation completion signal line 202 is output at least once in a certain period of time, the detection unit 23 outputs the signal on the normal operation completion signal line 202 within a time that is an integral multiple of the certain period of time. If not, it is determined that there is an abnormality in the common system fal1 section 21,
A signal is sent to the sac report line 103 and the common processing unit 1 is notified of this.

The common processing unit 1 uses the signal on the signal line 103 to control the communication system f.
It recognizes that the a11 section 2a has become abnormal, performs necessary fault processing and converts the report into a form that can be identified by system operators, etc., and issues a warning. Other communication control units 21) and 20
The configuration and abnormal operation detection 10 are also the same in the above, and it is possible to detect abnormalities in the communication control units 2a to 2n without periodic monitoring by the common processing unit 1.

〔Effect of the invention〕

As is clear from the above description, according to the present invention, by providing means for monitoring the generation and order of checkpoint signals, abnormalities in the communication control unit can be easily detected without regular monitoring of the common processing unit. It is possible to detect abnormalities without degrading the processing function of the common processing section.

[Brief explanation of drawings]

The figure is a block diagram of a device according to an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Common processing part, 2a, 2b... 2m... Communication control part, 21... Common control part, 22... Monitoring part, 2
3...Detection section, 24a, 24b,...24n...
Line control unit, 101...control line, 102-...data line, 103-'A-shaped report line, 201a, 201b...
・201n...Checkpoint signal line, 202...
- Normal operation completion signal line. Patent applicant: NEC Corporation Representative Patent attorney: Naotaka Ide

Claims (1)

[Claims] (1) A plurality of m communication control units are connected to one common processing unit and configured to be controlled by this common processing unit, and a plurality of n communication control units connected to each of - In a communication processing device equipped with a common control unit that controls a communication line, the common control unit is configured to transmit a control signal in time series when controlling the communication line corresponding to the communication line. A plurality of n bars 1 heat exchange means are provided for branching and outputting a signal at that point by setting a point on the circuit that always occurs at 3Ml as a signal monitoring point, and the communication control section has the following signal monitoring points. a monitoring section that constantly monitors a plurality of signals branched from the above; and a monitoring section that detects an abnormality when a preset number of signals do not arrive at this monitoring section within a predetermined period of time, and transmits the abnormality detection signal as described above. 1. A communication processing device comprising: a detection means for sending data to a common processing unit.