JPH01292456A - Plural-protocol communication control system - Google Patents

Abstract

PURPOSE:To attain communication with a center having a different protocol by providing the title system with a processor for converting a protocol in accordance with a start command inputted from a terminal. CONSTITUTION:A start command using a center number (CAPTAIN procedure or GT procedure) of a connected destination and a utilizing numbers as parameters is inputted from the terminal 10 and transferred to a control part 6 in an OS 2. A protocol identification part 6-1 in the control part 6 identifies the center number and starts a GT procedure protocol conversion part 4-1 or a CAPTAIN protocol conversion part 4-2. Respective conversion parts 4-1, 4-2 execute protocol conversion between the terminal 10 and a CAPTAIN information center 12 based upon the GT procedure or an external information center 13 based upon the CAPTAIN protocol to interface communication. Thus, communication with the information center using different procedure can be attained by the start command inputted from the terminal 10.

Description

[Detailed Description of the Invention] [Summary] Regarding a multi-protocol communication control method that communicates with a center using a protocol different from the protocol used by a terminal, an office processor is placed between the terminal and an information center. , the purpose of communication is to input a startup command from a terminal and have the office processor mediate between different protocols between the terminal and the information center, and to transmit information communicated with the terminal using a certain protocol. , identifies a protocol converter that communicates with the center using a predetermined protocol among multiple other protocols and a protocol instructed by the terminal, and uses the identified protocol in the protocol converter. An office processor disposed between the terminal and the center is provided with a protocol identification unit that instructs communication with the center;
This protocol identification unit instructs the protocol conversion unit to communicate using the protocol notified from the terminal, and in response to this instruction, the protocol conversion unit
The configuration is configured to perform communication by converting protocols between centers.

[Industrial application field]

The present invention relates to a multi-protocol communication control method for communicating with a center using a protocol different from the protocol used by a terminal.

[Problems to be solved by the conventional technology and the invention] The conventional captain-type Videotex user terminal has a fourth
As shown in the figure, +1) a dedicated terminal, (2) a television receiver connected to an adapter, and (3) an adapter/emulator for receiving image data sent from an external information center or captain information center. There are computers equipped with it. These (1), (2), and (3) are all achieved by a communication control procedure called the GT procedure.
Information is sent and received via telephone lines.

However, terminals such as the workstation computer (hereinafter referred to as WS) of the host computer differ from the above GT procedure,
Communication is performed using a unique communication control procedure (for example, the Fujitsu F6650 procedure), and the same terminal is used as a workstation or as a user terminal for Captain-type Videotex using the GT procedure described above. The problem was that I couldn't do it.

An object of the present invention is to arrange an office processor between a terminal and an information center, input a startup command from the terminal, and have the office processor mediate different protocols between the terminal and the information center to perform communication. It is said that

[Means to solve problems]

In FIG. 1, which describes means for solving the problem with reference to FIG. 1, an office processor 1 is placed between a terminal 10 and an information center to perform protocol conversion and the like.

The protocol converter 4 performs protocol conversion, and includes a GT procedure protocol converter 4-1, a captain protocol converter 4-2, and the like.

The GT procedure protocol conversion units 4 to 1 perform protocol conversion between a certain communication control procedure (eg, F6650 procedure) and a GT procedure.

The captain protocol conversion unit 4-2 performs protocol conversion between a certain communication control procedure (eg, F6650 procedure) and the captain protocol.

The terminal 10 is a WS or the like, and the office processor 1
This is a terminal that is connected to the computer and used to perform various processes.

The captain information center 12 and the external information center 13 are
This is an information center that exchanges image information and the like using the T procedure and Captain protocol.

[Effect]

As shown in FIG. 1, in the present invention, when the terminal 10 inputs a startup command (CGT procedure, captain protocol, etc.) to the office processor 1, the protocol identifying section 6-1 configures the protocol converting section 4. The terminal 10 and the GT
Depending on the procedure, protocol conversion is performed between the captain information center 12 or the external information center 13 using the captain protocol to mediate communication.

Therefore, the terminal 10 normally performs various processes by communicating with the office processor 1 using a certain protocol (for example, the Fujitsu F6650 procedure), and inputs a startup command as necessary to provide information that uses a different procedure. It becomes possible to perform processing by communicating with the center.

〔Example〕

Next, the configuration and operation of one embodiment of the present invention will be explained in detail using FIGS. 1 to 3.

In FIG. 1, an office processor 1 performs various controls under the control of an O8 (operating system) 2, and is connected to a plurality of terminals 10.
It performs various processing.

One component of this 032 is the captain emulator control processor according to this embodiment. This captain emulator'M control sensor is activated by inputting a startup command from the terminal 10, and includes a control section 6 that controls the entire processor, and a protocol identification system that determines which protocol is specified. unit 6-1, the center access unit 5 which performs communication control 'B with the information center, and the data from the information center F665.
The protocol conversion unit 4 converts the F6650 protocol into the GT protocol or the captain protocol, and the WS access unit 7 performs communication with the terminal 10.

The center program 9 is a program that performs center operations, and sends and receives videotex data and the like using WRITE/READ commands as necessary.

The line control program 8 controls the line with the information center.

The WS control program 7 controls the connection with the terminal 1o.

The captain information center I2 is an information center that communicates through the Videotex communication network 1) using the GT procedure via telephone lines.

The external information center 13 is an information center that communicates via a dedicated line using the captain protocol.

Next, the operation of the configuration shown in FIG. 1 in the case of 07 procedure connection will be explained in detail using FIG.

In FIG. 2, at (■), the terminal 1o inputs a startup command to start the captain emulator control processor. At this time, the activated captain emulator control processor, which passes the connection destination center number (CAT procedure) and user number as parameters, performs the following processing.

(2) requests and acquires access rights to the terminal 10 from the WS\f1?1]1 program 7.

(2) sends a videotex start message to the terminal 10;

(2) receives a terminal attribute notification message (attribute notification message of code data, graphic data, etc.) as a response to the videotex start message. Thereafter, communication was carried out with the captain information center 12 via the telephone line and Videotex communication network 1) using the GT procedure in the extended data stream of the F6650 procedure, which is the communication procedure with the terminal 10. Videotex data is loaded and data is exchanged.

(2) makes a call to the captain information center 12 via the telephone line.

(2) creates a terminal profile from the terminal attribute notification message received in (2) and sends it to the captain information center 12.

■Receives image data (initial screen).

(2) reconfigures the image data received in (2) into captain protocol data (response) and converts the image data into F6650 procedure data, and transmits the image data to the terminal 10. The terminal 10 that has received this image data displays the received image data (initial screen) on its screen.

(2) receives a request from the terminal 10;

[Phase] is converted into 07 procedure data and transmitted to the captain information center 12.

(2) Receives image data. Similarly, this image data is transmitted to the terminal 10 and displayed.

(3) receives the termination message “FN” from the terminal 10;

(2) sends a termination message to the captain information center 12;

■Receive the final screen.

■Disconnect the telephone line.

[phase] releases access rights and ends. As a result, the WS screen is displayed on the terminal 10.

As described above, by inputting a startup command from the terminal (WS) 10, the captain emulator control processor is activated to perform mediation, and to communicate with the captain information center 12 using a different protocol, ie, the GT procedure. becomes possible.

Next, the operation of the configuration shown in FIG. 1 in the case of captain protocol connection will be explained in detail using FIG.

In FIG. 3, at (2), the terminal 10 inputs a startup command to start the captain emulator control processor. At this time, the started captain emulator control processor, which passes the connection destination center number (captain protocol) and user number as parameters,
Processing is performed in the same manner as in the case of the GT procedure shown in the figure.

(2) is obtained by requesting the ws@q column program 7 for terminal IO access rights.

(2) sends a videotex start message to the terminal 10;

(2) receives a terminal attribute notification message (attribute notification message of code data, graphic data, etc.) as a response to the videotex start message. Thereafter, captain protocol data for communicating with the external information center 13 via a dedicated line using the captain protocol is loaded in the extended data stream of the F6650 procedure, which is a communication procedure with the terminal 10. Try to give and receive. Specifically, the captain adds headers before and after the captain protocol data and sends it to the terminal 10 as an extended data stream of the F6650 procedure, or conversely, the captain removes the header from the extended data stream of the F6650 procedure to which the header has been added. Send the protocol data to the external information center 13.

This allows the terminal 10 to communicate with the external information center 13.

(2) transmits CN (connect) to the external information center 13;

(2) receives AC (accept).

(2) transmits TPF (terminal attribute).

(2) receives PI (initial screen data).

(2) converts the initial screen data received in (2) into F6650 procedure data (adds headers before and after), transmits it to the terminal 10, and displays the initial screen.

[Stock] receives a request from the terminal 10.

0 converts the request received in [phase] into a captain protocol and sends it to the external information center 13.

(2) receives PI (image data). And terminal 1
0 and display it.

■ receives FN (#complete) from the four terminals 10.

(3) sends (says) FN (end) to the external information center 13;

[Phase] receives FN (finish).

(2) receives a DN (disconnect).

0 releases access rights and exits. As a result, the WS screen is displayed on the terminal 10.

As described above, by inputting a startup command from the terminal (WS) 20, the captain emulator control processor is activated to perform mediation, and communicate with the external information center 13 that uses a different protocol, the captain protocol. becomes possible.

〔Effect of the invention〕

As explained above, according to the present invention, the terminal (WS) 1
When 0 sends a startup command (GT procedure, captain protocol, etc.) to office processor 1, it starts the captain emulator control processor, mediates between different protocols, and communicates with the external information center. Since the terminal 10 normally communicates with the office processor 1 according to a certain protocol (for example, Fujitsu F6650 procedure) and performs various processes, the terminal 10 inputs a startup command as necessary to perform different processing. Processing can be performed by communicating with an information center that uses the procedure.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of one embodiment of the present invention, FIGS. 2 and 3 are processing sequence examples of the present invention, and FIG. 4 is an example of a conventional captain system. In the figure, 1 is an office processor, 2 is an O3 (operating system), 4 is a protocol converter, and 4-1 is a G
4-2 is a captain protocol conversion unit, 6-1 is a protocol identification unit, 10 is a terminal (W
S), 12 represents a captain information center, and 13 represents an external information center.

Claims (1)

[Claims] In a multi-protocol communication control method in which a terminal communicates with a center using another protocol different from the protocol used, information communicated with a terminal using one protocol is transferred to another protocol. a protocol converter (4) that communicates with the center using a predetermined protocol among the multiple protocols; and a protocol converter (4) that identifies the protocol instructed by the terminal, The office processor (1) disposed between the terminal and the center is equipped with a protocol identification unit (6-1) that instructs communication with the center using the protocol.
) instructs the protocol converter (4) to communicate using the protocol notified from the terminal, and in response to this instruction, the protocol converter (4) converts the protocol between the terminal and the center. A multi-protocol communication control method characterized by being configured to perform communication.