JPH03250350A - Physical/logical communication channel batch fixing method for data communication system - Google Patents

Abstract

PURPOSE:To quickly perform the fixing operations necessary for start of the system operation, etc., by providing a communication channel fixing mechanism between a terminal equipment and a host computer after fixing a physical communication channel. CONSTITUTION:When a communication processor activating command including a batch fixing instruction is received from a console 7 or a system program, etc., a host computer 1 sends the received command to a communication processor 2. Thus the processor 2 activates itself and informs the computer 1 of the end of this activation. Furthermore the processor 2 fixes the physical channels 4-1 to 4-l to all terminal controllers 5-1 to 5-l connected to the processor 2 itself and fixes the logical communication channels between the computer 1 and all terminal equipments 6-1-1 to 6-l-2 which are controlled by the controllers 5-1 to 5-l via the channels 4-1 to 4-l respectively. In such a constitution, the load of the computer 1 is reduced and the physical/logical communication channels are fixed at a high speed.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a data communication system in which a host computer and a terminal device are connected via a communication line of a communication processing device 1 and a terminal control device, and particularly relates to a data communication system in which a host computer and a terminal device are connected via a communication line of a communication processing device 1 and a terminal control device. The present invention relates to an improvement in a method for establishing a physical communication path between a communication processing device and a terminal control device, and a logical communication path between a host computer and a terminal device.

(Prior Art) Generally, in this type of data communication system, a physical communication path establishment procedure and a logical communication path establishment procedure are defined between a host computer and a communication processing device. Based on this, the host computer issues a command to the communication processing device to establish a physical communication path with the terminal control device, whereby a physical communication path can be established between the communication processing device and any terminal control B device specified by the host computer, In addition, based on the above logical communication path establishment procedure, the host computer issues a command to the communication processing unit to establish a logical communication path with the terminal device, thereby creating a logical connection between any terminal device specified by the host computer and the host computer. Conventionally, the host computer performs the above-mentioned physical communication path establishment procedure and logical communication path establishment procedure at any time, such as when starting system operation, to establish a communication path for each terminal control device. and issue a command to establish a physical communication path with the terminal control device and a command to establish a logical communication path with the terminal device for each terminal device,
Accordingly, the communication processing device establishes a physical communication path with the terminal control device and establishes a logical communication path between the host computer and the terminal device.

[Problem to be solved by the invention]

Although it was possible to establish a physical/logical communication path between the terminal control device and the terminal device using the conventional method described above, there were the following problems.

(]) Based on the physical communication path establishment procedure and logical communication path establishment procedure between the host computer and the communication processing device, the host computer establishes a physical communication path with the terminal control device for each terminal control device and each terminal device. It is necessary to issue a command and a command to establish a logical communication path with the terminal device, and at the start of system operation, it takes a lot of time to establish all the necessary terminal control devices and physical/logical communication paths with the terminal device. It takes time.

(2) For the same reason, the load on the host computer increases when the system starts operating.

The present invention solves these conventional problems, and its purpose is to improve the system operation at the start of system operation, etc., when it is necessary to establish physical/logical communication paths between multiple terminal control devices and terminal devices. An object of the present invention is to provide a method for establishing physical/logical communication channels at once in a data processing system that can reduce the load on a host computer and establish physical/logical communication channels at high speed.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a data communication system in which a host computer and a terminal device are connected via a communication line of a communication processing device 2 and a terminal control device. By receiving a communication processing device activation command including a batch establishment instruction from a host computer, it activates its own communication processing device and notifies the host computer of its completion, and all terminals connected to its own communication processing device. A physical communication path is established between the control device or the terminal control device set in advance for the device to be collectively established, and through this established physical communication path, all the terminal devices under the terminal control device or among the devices to be collectively established are established. The communication processing device includes a mechanism for establishing a logical communication path between a terminal device preset in the device and the host computer, and after sending a communication processing device activation command including a batch establishment instruction, the communication processing device By receiving notification of the completion from the communication processing device, the management status of all the terminal control devices connected to the communication processing device and their subordinate terminal devices, or the devices preset as the devices to be established at once, can be changed to the physical/logical state. The host computer includes a mechanism for setting the communication path to an established state.

[Effect]

In the physical/logical communication path batch establishment method in the data communication system of the present invention, when a communication processing device activation command including a batch establishment instruction is given from a console or a system program, the host computer performs communication processing including the batch establishment instruction. Sends a processing device activation command to the communication processing device,
Upon receiving this communication processing device activation command, the communication processing device activates its own communication processing device and notifies the host computer of its completion, and also activates all the terminal control devices connected to its own communication processing device. Or, establish a physical communication path between the terminal control device set in advance for the device to be established at once, and connect to all the terminal devices under the terminal control device or the device to be established at once through this established physical communication path. A logical communication path is established between a preset terminal device and the host computer. Also, Hoss (・
After sending a communication processing device activation command including a batch establishment instruction, when the computer receives a notification of completion from the communication processing device, the computer activates all the terminal control devices connected to the communication processing device and the terminal devices under the control device. Alternatively, the management state of the device preset as the device to be collectively established is set to the physical/logical communication path established state.

(Example) Next, an example of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram of a data communication system to which an embodiment of the physical/logical communication channel simultaneous establishment method of the present invention is applied. This data communication system includes a host computer 1 having a communication system management node, a communication processing device 2 connected to the host computer 1 via an intersystem communication path 3 and having a communication control node, and a communication line 4-1 connected to the communication processing device 2. ~4-i! A plurality of terminal control devices 5-1 to 5-1 connected via a plurality of terminal devices 6-1 under each terminal control device 5-1 to 5-1.
-1.6-1-2. ..., 6-1-1 6-22, ・
..., 6-f-1, 6-I! -2, . . . , and each terminal device 6-1-1 etc. is provided with a terminal node.

A console 7 is connected to the host computer 1, and a communication system management means 11. A pseudo establishment means 12 and a control table 13 are provided.

A communication processing unit activation command including a batch establishment command is input by the system operator from the console 7, and the host calculation l! ■It can also be issued from a system program that runs on top of the system.

The communication system management means 11 manages the communication system management node on the post computer 1, and in particular, when it receives a communication processing device activation command including a batch establishment instruction from the console 7 or the system program, it controls the inter-system communication path. 3 to the communication processing device 2, and the communication processing device 2
It has a function of activating the pseudo establishment means 12 when a completion notification is returned from.

The control table 13 is a table that holds the management status of all the terminal control devices 5-1 to 5-1 connected to the communication processing device 2 and all the terminal devices 6-], -1 under them, etc., and in particular, In this embodiment, all terminal control devices 5-1 to 5-
E and all the terminal devices 61-1, etc., are to be set up as devices to be established at once. has been done.

The pseudo establishment means 12 is configured to connect the terminal control devices 5-1 to 5-2 connected to the communication processing device 2 and the terminal devices 6-1-1 and the like under their control, which are targeted for collective establishment. This is means for setting the management state of a terminal device to a physical/logical communication channel established state.

The communication processing device 2 also includes a communication control node management means 21.
．． Physical communication channel collective establishment means 22. A logical communication channel collective establishment means 23 and a control table 24 are provided.

The communication control node management means 21 is a means for managing the communication control nodes on the communication processing device 2, and in particular, when receiving a communication processing device activation command including a collective establishment instruction from the host computer 1, the communication control node management means 21 is a means for managing the communication control nodes on the communication processing device 2. It has the function of starting 22.

The control table 24 includes host calculation I! This table holds almost the same information as the control table 13 above.

The physical communication channel batch establishment means 22 establishes physical communication channels with all the terminal control devices set as batch establishment target devices in the control table 24, and also connects the control table 24 through the established physical communication channels. It is a means having a function of establishing a logical communication path between all the terminal devices set as devices to be established at once in the physical communication path establishment section 222 which establishes the physical communication path, and There is a batch establishment schedule unit 221 that performs schedule processing and starts up the physical communication channel establishment unit 222 and the logical communication channel batch establishment unit 23.

The logical communication channel batch establishment unit 23 is a unit having a function of setting a logical communication channel between the terminal device notified by the batch establishment schedule unit 221 of the physical communication channel batch establishment unit 22 and the host calculation @1.

Next, the operation of this embodiment configured as described above will be explained in the first section.
This will be explained with reference to the batch establishment instruction sequence shown in FIG.

In FIG. 1, a communication system management means 11 of a host computer 1 receives a communication processing device activation command including a batch establishment instruction from a system operator via a console 7, or receives a batch establishment instruction issued from a system program. Upon receiving the communication processing device activation command including the communication processing device 2
A communication processing device activation command is issued to the communication control node management means 21 of.

When the communication control node management means 21 receives a communication processing device activation command from the host computer 1, it activates its own communication processing device 2, that is, activates the communication control node, and after completion of activation, issues a completion command indicating that. It is returned to the communication system management means 11 of the host computer 1.

When the communication system management means 1 receives a command from the communication control node management means 21 indicating the completion of activation of a communication control node, the communication system management means 1 activates the pseudo establishment means 12 because it is a response corresponding to a communication processing device activation command including a batch establishment instruction. , the pseudo establishment means 12 updates the contents of the control table 13 and changes the management state of the terminal control device and the terminal device, which have been set in advance for the batch establishment target device, to the physical/logical communication path establishment state.

Further, when the activation of the communication control node is completed, the communication control node management means 21 checks whether the communication processing device activation command received this time is in the batch establishment mode, that is, whether it includes a batch establishment instruction. If a batch establishment instruction is included, a batch establishment request is made to the physical communication channel batch establishment means 22. Note that if the batch establishment instruction is not included, the process ends.

When receiving the bulk establishment request, the physical communication path batch establishment means 22 connects all the terminal control devices connected to the communication processing device 2 and the terminal devices under the control table 24 that are set as batch establishment target devices. In order to establish a physical/logical communication path with the terminal control device and the terminal device, the batch establishment schedule unit 221 starts batch establishment schedule processing. This batch establishment schedule process requests the physical communication channel establishment unit 222 to establish a physical communication channel by a certain fixed number (the number of physical communication channels to be established simultaneously), and the physical communication channel establishment unit 222 requests the physical communication channel Upon receiving the completion notification of the path establishment, it calls the logical communication channel batch establishment means 23 and issues a request to establish a logical communication channel between the terminal device and the host computer 41!1 to be established through the established physical communication channel. When completed, perform the batch activation schedule again,
Thereafter, the physical communication path establishment unit 222 and the logical communication channel batch establishment unit 2 sequentially establish physical communication paths with the remaining terminal control devices and establish logical communication paths between the host computer 1 and the terminal devices.
3. At this time, if the terminal control devices designated by the batch establishment schedule section 221 are, for example, terminal control devices 5-1 and 5-2, the physical communication path establishment section 222 establishes a communication line between them. The logical communication path batch establishment means 23 establishes the physical communication channels by the batch establishment schedule unit 221.
If the specified terminal devices are the terminal device 6-1-1 under the terminal control device 5-1 and the terminal control device 6-2-1 under the terminal control device 52, the connection between them and the host computer 1 A logical communication path is established for each.

As described above, in response to the communication processing device activation command including the batch establishment instruction, not only the communication processing device 2 is activated, but also all the terminal control devices and terminal devices that are targeted for batch establishment in the control table 24 are activated. Establishment of a physical/logical communication path for the network is automatically performed.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various other additions and changes are possible. For example, in the above embodiment, the control table,
Based on the information in 24, only some of all the terminal control devices and all the terminal devices were set as devices to be established at once, but all the terminal control devices connected to the communication processing device 2 and all the terminal devices under each terminal control device may be set as devices to be established all at once.

(Effects of the Invention) As explained above, according to the physical/logical communication channel batch establishment method in the data communication system of the present invention, a communication processing device activation command including a batch establishment instruction is simply given from the host computer to the communication processing device. Establish a physical communication channel with all the terminal control devices connected to the communication processing device or the terminal control device preset as the device to be collectively established, and connect all the terminal devices under the terminal control device or Since it is possible to establish a logical communication path between the host computer and the terminal device that has been set in advance as a device to be established in bulk, ■ physical communication path establishment procedure and logical communication path between the host computer and the communication processing device. Individual physical/
Compared to the conventional method in which logical communication paths had to be established, it becomes possible to quickly perform the process of establishing physical/logical communication paths necessary at the start of system operation.

(2) The load on the host computer when starting system operation is reduced.

(3) By including the batch establishment instruction in the communication processing device activation command, it is possible to instruct the batch establishment of physical/logical communication channels at the same time as the activation command for the communication processing device.

Effects such as this can be obtained.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an example of a data communication system to which the present invention is applied, and FIG. 2 is a diagram showing a batch establishment instruction sequence in an embodiment of the present invention. In the figure, 1...Host computer 11...Communication system management means 12...Spoof establishing means 13...Control table 2...Communication processing device 21...Communication control node management means 22...・Physical communication channel batch establishment means 221...Batch establishment schedule section 222...Physical communication path establishment section 23...Logical communication channel batch establishment means 24...Control table 3...Intersystem communication path 4- 1~4-f...Communication line 5-1~5-! ! ...Terminal control device 6-], -]1.6-1-2. 6.6-1! -16-1 7...Console 2...Terminal device-16

Claims (2)

[Claims] (1) In a data communication system in which a host computer and a terminal device are connected via a communication processing device, a communication line, and a terminal control device, by receiving a communication processing device activation command including a batch establishment instruction from the host computer, In addition to activating its own communication processing device and notifying the host computer of its completion, it also establishes physical communication channels with all terminal control devices connected to its own communication processing device, and activates the established physical communication path. The communication processing device is provided with a mechanism for establishing a logical communication path between all terminal devices under the terminal control device and the host computer through a communication path, and after sending a communication processing device activation command including a batch establishment instruction. , by receiving notification of completion from the communication processing device, changes the management state of all terminal control devices connected to the communication processing device and all terminal devices under the control to the physical/logical communication path established state. A method for collectively establishing physical/logical communication paths in a data communication system, characterized in that the host computer is provided with a mechanism for setting physical/logical communication paths. (2) In a data communication system in which a host computer and a terminal device are connected via a communication processing device, a communication line, and a terminal control device, by receiving a communication processing device activation command including a batch establishment instruction from the host computer, In addition to activating the own communication processing device and notifying the completion thereof to the host computer, the communication processing device is activated and the terminal control device that is preset as the batch establishment target device among the terminal control devices connected to the own communication processing device is activated. Establishing a physical communication path, and establishing a logical communication path between the host computer and a terminal device that is preset as a batch establishment target device among the terminal devices under the terminal control device through the established physical communication path. a terminal control device connected to the communication processing device by providing a mechanism in the communication processing device, and receiving a notification of completion from the communication processing device after sending a communication processing device activation command including a batch establishment instruction. Data communication characterized in that the host computer is equipped with a mechanism for setting the management state of the device, which has been preset as a device to be collectively established among the terminal devices under the host computer, to a physical/logical communication path established state. A method for establishing physical/logical communication channels in a system at once.