JPS61152144A - Protocol converter - Google Patents

Protocol converter

Info

Publication number
JPS61152144A
JPS61152144A JP59273246A JP27324684A JPS61152144A JP S61152144 A JPS61152144 A JP S61152144A JP 59273246 A JP59273246 A JP 59273246A JP 27324684 A JP27324684 A JP 27324684A JP S61152144 A JPS61152144 A JP S61152144A
Authority
JP
Japan
Prior art keywords
processing routine
protocol
terminal
computer
exchange network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP59273246A
Other languages
Japanese (ja)
Inventor
Yuji Aoyama
青山 勇治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP59273246A priority Critical patent/JPS61152144A/en
Publication of JPS61152144A publication Critical patent/JPS61152144A/en
Pending legal-status Critical Current

Links

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)

Abstract

PURPOSE:To connect data from a terminal equipment or computer without control functions to the opposite device of an arbitrary exchange network by providing a protocol converter with a protocol conversion processing routine and a call connection/cutting processing routine. CONSTITUTION:A computer, a terminal equipment 11 and a various data exchange networks are connected to the communications channels 3, 9 and 10 of the protocol converter 1. A communications processor 2 is also connected to the communications channels 3, 9 and 10. The terminal and computer having no control function are connected to the protocol processing routine 4 of the processor 2 by means of the channel 3. The protocol conversion processing routine 15 between the routine 4 and the channel 10 corrects the protocol of the exchange network and that at the computer side. Then the call connection/ cutting processing routine 7 processes a connection/cutting command request from the terminal 11, and the processor 2 connects the terminal and computer having no control function to the arbitrary exchange network.

Description

【発明の詳細な説明】 [発明の技術分野] 本発明はデータ交換網への接続制御機能を持たない端末
機または計算機と上記データ交換網との間に設けられる
プロトコル交換機に関する。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a protocol exchange installed between a terminal or a computer that does not have a connection control function to a data exchange network and the data exchange network.

[発明の背景技術と問題点] 従来、公衆データ奪換網などに接続される端末機または
計算機(以下DTEと称する)において、任意のデータ
交換網への接続制御機能を持たないものは、接続できる
データ交換網が固定化されてしまう。従って、任意のデ
ータ交換網に接続される任意の相手DTEと通信するた
めには、DTE側のソフトウェアを相手DTEに応じ変
更しなければならないという欠点があった。
[Background Art and Problems of the Invention] Conventionally, terminals or computers (hereinafter referred to as DTE) connected to a public data exchange network, etc., that do not have a connection control function to any data exchange network, The available data exchange network becomes fixed. Therefore, in order to communicate with any other DTE connected to any data exchange network, the software on the DTE side must be changed depending on the other DTE.

また、手動発信による接続制御のDTEでは切断操作の
忘れなどで、呼びが未解放となる事態が発生し、他のD
TEが上記相手DTEと接続出来なくなる欠点が発生す
る。更に、呼びが未解放となれば、通信回線使用料など
の課金が膨大なものとなる欠点があった。
In addition, with DTEs that control connections by manual calling, there are cases where calls are left unreleased due to forgetting to disconnect, etc., and other DTEs
A disadvantage occurs that the TE cannot connect to the partner DTE. Furthermore, if a call is not released, there is a drawback that charges such as communication line usage fees become enormous.

[発明の目的] 本発明は上記欠点を解決するもので、データ交換網への
接続制御機能を持たない端末機または計算機であっても
、任意のデータ交換網の相手装置と接続可能するプロト
コル変換機を提供すること、。
[Object of the Invention] The present invention solves the above-mentioned drawbacks, and provides a protocol conversion that allows even terminals or computers that do not have a connection control function to a data exchange network to connect to a partner device of any data exchange network. to provide the machine.

を目的とする。With the goal.

[発明の概要コ 本発明は、データ交換網への接続制御機能を持たない端
末機または計算機と上記データ交換網との間に設けられ
るプロトコル交換機を提供するもので、上記プロトコル
交換機に上記端末機または計算機と上記データ交換網と
の間のプロトコル変換を行なうプロトコル変換処理手段
と、特定の端末機からの呼び接続/切断コマンドに応じ
上記プロトコル変換処理手段の動作状態を制御する呼び
接続/切断処理手段とを持たせ上記目的を達成するもの
でおる。
[Summary of the Invention] The present invention provides a protocol exchange that is installed between a terminal or a computer that does not have a connection control function to a data exchange network and the data exchange network. or a protocol conversion processing means that performs protocol conversion between the computer and the data exchange network, and a call connection/disconnection process that controls the operating state of the protocol conversion processing means in response to a call connection/disconnection command from a specific terminal. It is intended to achieve the above objectives by providing means.

[発明の実施例コ 第1図は本発明のプロトコル変換機を接続したネットワ
ークシステム全体の構成を示す図でおる。
[Embodiment of the Invention] FIG. 1 is a diagram showing the configuration of the entire network system to which the protocol converter of the invention is connected.

図において、1は端末機または計算機と公衆データ交換
網またはDDX交換網等の各種データ交換網との間に設
けられるプロトコル変換機であり、通信チャネル3,9
.10と、通信処理装置2とで構成される。但し、通信
チャネル9は通信チャネル3の1つとして設計してもよ
い。通信処理装置2はプロトコル処理ルーチン4と、プ
ロトコル変換処理ルーチン5と、タイマ制御ルーチン6
と、呼びの接続/切断処理ルーチン7およびサービスコ
マンド処理ルーチン8を具備する。プロトコル処理ルー
チン4は通信チャネル3に接続される各種端末機または
計算機(DTE)と通信処理装置2間のデータ伝送を制
御する。上記端末機または計算機(DTE)は各種デー
タ交換網への接続制御機能は持っていない。     
   −’=)プロトコル変換処理ルーチン5は上記端
末機または計算機(DTE)側のプロトコルとデータ交
換網のプロトコルの違いを修正するためのプロトコル変
換処理を行なう。タイマ制御ルーチン6はプロトコル変
換処理ルーチン5の制御で行なわれるデータ交信の時間
監視を行なうものである。サービスコマンド処理ルーチ
ン8は通信チャネル9に接続されている端末機11(D
TE>から入力される接続または切断コマンドで指定さ
れる接続/切断相手先アドレスを解析し、接続/切断要
求を呼びの接続/切断処理ルーチン7へ出力するもので
ある。呼びの接続/切断処理ルーチン7はサービスコマ
ンド処理ルーチン8からの要求に従って、プロトコル変
換処理ルーチン5をアクセスし、呼びの接続/切断制御
を行なう。
In the figure, 1 is a protocol converter provided between a terminal or computer and various data exchange networks such as a public data exchange network or a DDX exchange network, and communication channels 3, 9
.. 10 and a communication processing device 2. However, the communication channel 9 may also be designed as one of the communication channels 3. The communication processing device 2 includes a protocol processing routine 4, a protocol conversion processing routine 5, and a timer control routine 6.
, a call connection/disconnection processing routine 7 and a service command processing routine 8 . The protocol processing routine 4 controls data transmission between various terminals or computers (DTEs) connected to the communication channel 3 and the communication processing device 2 . The terminal or computer (DTE) does not have a connection control function to various data exchange networks.
-'=) The protocol conversion processing routine 5 performs a protocol conversion process to correct the difference between the protocol on the terminal or computer (DTE) side and the protocol on the data exchange network. The timer control routine 6 monitors the time of data communication performed under the control of the protocol conversion processing routine 5. The service command processing routine 8 executes a terminal 11 (D
It analyzes the connection/disconnection destination address specified by the connection or disconnection command input from TE> and outputs a connection/disconnection request to the call connection/disconnection processing routine 7. The call connection/disconnection processing routine 7 accesses the protocol conversion processing routine 5 in accordance with a request from the service command processing routine 8 to perform call connection/disconnection control.

次に、本発明の詳細な説明する。Next, the present invention will be explained in detail.

通信チャネル3側に接続されている端末機または計算機
(DTE>は各種データ交換網への接続制御機能を有し
ていない為、システムの立ち上げを行なってもプロトコ
ル処理ルーチン4までの接続しか行なわれない。従って
、本発明では端末機11からの接続/切断コマンド要求
を受けたプロトコル変換機1が上記端末機または計算機
(DTE)と指定のデータ交換網に接続される相手装置
との接続/切断制御を行なうものである。
Since the terminal or computer (DTE>) connected to the communication channel 3 side does not have a connection control function to various data exchange networks, even if the system is started up, only connections up to protocol processing routine 4 will be made. Therefore, in the present invention, the protocol converter 1 that receives a connection/disconnection command request from the terminal 11 performs connection/disconnection between the terminal or computer (DTE) and a partner device connected to a specified data exchange network. It performs cutting control.

即ち、端末機11から接続コマンド(自収容端末機・計
算機のポート番号または端末番号およびデータ交換網に
接続される相手装置アドレスを含む)が出力されると、
通信チャネル9を介してコマンドサービス処理ルーチン
8へ渡される。コマンドサービス処理ルーチン8は上記
コマンドで指定される上記相手アドレスを解析し、呼び
の接続/切断処理ルーチン7へ接続要求を発生する。
That is, when a connection command (including the port number or terminal number of the host terminal/computer and the address of the other device connected to the data exchange network) is output from the terminal 11,
It is passed to the command service processing routine 8 via the communication channel 9. The command service processing routine 8 analyzes the above-mentioned destination address specified by the above-mentioned command, and issues a connection request to the call connection/disconnection processing routine 7.

呼びの接続/切断処理ルーチン7は上記接続要求に基づ
きプロトコル変換処理ルーチン5を起動し、通信チャネ
ル10を介して、上記アドレスに対応するデータ交換網
に接続要求を出力する。この接続要求に応答してデータ
交換網光の相手装置から接続完了信号が発信されると、
上記通信チャネル10.プロトコル変換処理ルーチン5
.呼びの接続/切断処理ルーチン7、サーごンコマンド
処理ルーチン8.および通信チャネル9を介して端末機
11へ伝送され、この端末機11に接続完了メツセージ
が出力される。また、プロトコル変換処理ルーチン5は
接続コマンドのボート番号または端末番号に基づき、プ
ロトコル変換処理ルーチン5とプロトコル処理ルーチン
4間の論理接続ラインを確保する。従って、上記接続完
了メツセージが受信された時には、上記接続コマンドに
よ、。
The call connection/disconnection processing routine 7 starts the protocol conversion processing routine 5 based on the connection request, and outputs the connection request to the data exchange network corresponding to the above address via the communication channel 10. In response to this connection request, when a connection completion signal is sent from the other device of the optical data exchange network,
Communication channel 10 above. Protocol conversion processing routine 5
.. Call connection/disconnection processing routine 7, service command processing routine 8. The message is then transmitted to the terminal 11 via the communication channel 9, and a connection completion message is output to the terminal 11. Further, the protocol conversion processing routine 5 secures a logical connection line between the protocol conversion processing routine 5 and the protocol processing routine 4 based on the boat number or terminal number of the connection command. Therefore, when the connection completion message is received, the connection command is executed.

って指定した端末機または計算機(DTE”)とデータ
交換網に接続される相手装置間の論理通信路が設定され
たことになる。そして、端末機または計算機からの送信
データはプロトコル変換処理ルーチン5によって送信相
手装置が接続されるデータ交換網のプロトコルと一致さ
せるためプロトコル変換(例えばパケット組み立てなど
)が行なわれ、通信チャネル10を介して上記データ交
換網へ出力される。一方、通信チャネル10を介して受
信したデータはプロトコル変換処理ルーチン5によって
端末機または計算機(DTE>のプロトコルと一致させ
るためのプロトコル変換(例えばパケット分解など)が
行なわれ、プロトコル処理ルーチン41通信チャネル3
を介して上記ボート番号または端末番号の端末機または
計算機へ出力される。
This means that a logical communication path has been established between the specified terminal or computer (DTE) and the other device connected to the data exchange network.Then, the data sent from the terminal or computer is processed by the protocol conversion processing routine. 5 performs protocol conversion (for example, packet assembly) to match the protocol of the data exchange network to which the destination device is connected, and outputs the data to the data exchange network via the communication channel 10.On the other hand, the communication channel 10 The data received via the protocol conversion processing routine 5 performs protocol conversion (for example, packet decomposition) to match the protocol of the terminal or computer (DTE), and then the data is transferred to the protocol processing routine 41 communication channel 3.
is output to the terminal or computer of the above boat number or terminal number via.

上記プロトコル変換処理ルーチン5におけるデータ交信
状況はタイマ制御ルーチン6で時間監視されている。そ
して、最新データの送信または受信後、所定時間内に応
答がなければタイマ制御ルーチン6は無通信状態と判断
し、タイムアウト信号を呼びの接続/切断処理ルーチン
7に出力する。
The data communication status in the protocol conversion processing routine 5 is time-monitored by a timer control routine 6. If there is no response within a predetermined time after sending or receiving the latest data, the timer control routine 6 determines that there is no communication, and outputs a timeout signal to the call connection/disconnection processing routine 7.

接続/切断処理ルーチン7では切断処理ルーチンが起動
され、プロトコル変換処理ルーチン5に対し切断指令を
発生し、切断手続きがとられる。
In the connection/disconnection processing routine 7, a disconnection processing routine is started, a disconnection command is issued to the protocol conversion processing routine 5, and a disconnection procedure is performed.

また、切断処理は上記端末機11からの切断コマンドに
よっても実行される。この切断コマンドは接続コマンド
と同様に呼びの接続/切断処理ルーチン7に出力され、
このルーチン7で切断要求を判断すると、プロトコル変
換処理ルーチン5に対し切断指令が発せられ切断手順が
とられる。
Further, the disconnection process is also executed by a disconnection command from the terminal 11. This disconnection command is output to the call connection/disconnection processing routine 7 in the same way as the connection command,
When this routine 7 determines a disconnection request, a disconnection command is issued to the protocol conversion processing routine 5, and a disconnection procedure is performed.

[発明の効果] 本発明によれば、各種データ交換網への接続制御機能を
持たない端末機または計算機からも任意のデータ交換網
の任意の相手装置とのデータ交信が可能となる。また、
無通信状態となっても自動切断を行なうことが出来、切
断操作ミスによる通信課金や、未解放による通信妨害を
防止できる等の優れた効果を有するものである。
[Effects of the Invention] According to the present invention, data communication with any partner device of any data exchange network is possible even from a terminal device or computer that does not have a connection control function to various data exchange networks. Also,
Even if there is no communication, automatic disconnection can be performed, and it has excellent effects such as preventing communication charges due to disconnection operation errors and communication interference due to unreleased connections.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明のプロトコル変換機が接続されるネット
ワークシステム全体の構成を示す図である。 1・・・プロトコル変換機 2・・・通信処理装置 5・・・プロトコル変換処理ルーチン 6・・・タイマ制御ルーチン
FIG. 1 is a diagram showing the overall configuration of a network system to which a protocol converter of the present invention is connected. 1...Protocol converter 2...Communication processing device 5...Protocol conversion processing routine 6...Timer control routine

Claims (1)

【特許請求の範囲】[Claims] データ交換網への接続制御機能を持たない端末機または
計算機と上記データ交換網との間に設けられるプロトコ
ル交換機であつて、上記端末機または計算機と上記デー
タ交換網のプロトコルの違いを変換処理するプロトコル
変換処理手段と、特定の端末機からの呼び接続/切断コ
マンドに応じ上記プロトコル変換処理手段の動作状態を
制御する呼び接続/切断処理手段とを具備することを特
徴とするプロトコル変換機。
A protocol exchange installed between a terminal or computer that does not have a connection control function to a data exchange network and the data exchange network, which converts differences in protocols between the terminal or computer and the data exchange network. 1. A protocol converter comprising: a protocol conversion processing means; and a call connection/disconnection processing means that controls the operating state of the protocol conversion processing means in response to a call connection/disconnection command from a specific terminal.
JP59273246A 1984-12-26 1984-12-26 Protocol converter Pending JPS61152144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59273246A JPS61152144A (en) 1984-12-26 1984-12-26 Protocol converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59273246A JPS61152144A (en) 1984-12-26 1984-12-26 Protocol converter

Publications (1)

Publication Number Publication Date
JPS61152144A true JPS61152144A (en) 1986-07-10

Family

ID=17525157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59273246A Pending JPS61152144A (en) 1984-12-26 1984-12-26 Protocol converter

Country Status (1)

Country Link
JP (1) JPS61152144A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05219146A (en) * 1991-09-03 1993-08-27 Motorola Inc Intelligent interconnection and data transmission method for wide-band optical network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05219146A (en) * 1991-09-03 1993-08-27 Motorola Inc Intelligent interconnection and data transmission method for wide-band optical network

Similar Documents

Publication Publication Date Title
US5561666A (en) Apparatus and method for determining operational mode for a station entering a network
KR20010006035A (en) Method, communication network and service access interface in an osi environment
JPH03159444A (en) Terminal equipment for isdn
JPS61152144A (en) Protocol converter
JPH0473178B2 (en)
JPS6350140A (en) Data exchanging device
JPS6090452A (en) Independently operable local area network
JPS6130148A (en) System for connection between time division telephone exchange network and packet switching network
JPS6351584B2 (en)
JPH06164682A (en) Communication processor
JP2659624B2 (en) Packet switching communication method
TW477135B (en) Data device
JP2656977B2 (en) Connection switching method between data processing program and terminal
US7106754B1 (en) Application programming interface for modem and ISDN processing
JPH06164670A (en) Network repeater
JPS63129748A (en) Digital data communication system
KR100214115B1 (en) The switching system capable of packet service
KR100404565B1 (en) IP Network Connection Architecture In VOIP Gateway System
KR20000000896A (en) Communication line monitoring control method
JPH04130850A (en) Automatic control system for incoming call
JPS6121650A (en) Data terminal connection control system of automatic exchange
JPH04334251A (en) Data line connection system
JPS63294039A (en) Calling system for data terminal
KR20010063747A (en) Method of multi-link ppp data call processing accommodating adsl subscriber in interworking unit
JPH04188928A (en) Data modem for omnibus teleprinter system