JPS60169252A - Network management method - Google Patents
Network management methodInfo
- Publication number
- JPS60169252A JPS60169252A JP59023436A JP2343684A JPS60169252A JP S60169252 A JPS60169252 A JP S60169252A JP 59023436 A JP59023436 A JP 59023436A JP 2343684 A JP2343684 A JP 2343684A JP S60169252 A JPS60169252 A JP S60169252A
- Authority
- JP
- Japan
- Prior art keywords
- communication
- network management
- network
- communication device
- status
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔技術分野〕
本発明は端末装置を収容する通信装置（通信制御装繁）
を通信回釉によって相互ｋｇして成るバス構造ネットワ
ークに関する。[Detailed Description of the Invention] [Technical Field] The present invention relates to a communication device (communication control device) accommodating a terminal device.
It is related to the bus structure network consisting of mutual kg by means of a communication cycle.
従来のバス格造ネットワークにおいては、通信回線を介
して相互接続される通信装置の状態は他の通信装置から
は認識することが不可能であるため、データの送信に対
する応答によシ相手先の通信装置の状態を認識している
。しかしながら、このようなネットワークでは通信回線
を不要なデータ伝送によシ占有する時間が生じ、ネット
ワークの使用効率低下を免れ得ない、。In a conventional bus network, it is impossible for other communication devices to recognize the status of communication devices interconnected via communication lines. Recognizes the status of the communication device. However, in such a network, there is a time when the communication line is occupied by unnecessary data transmission, which inevitably reduces the efficiency of network usage.
本発明の目的は、ネットワークに接続される全通信装置
の最新の状態を各通信装置がそれぞれ保すＪ「すること
により、ネットワークの使用効率低下を防止できるネッ
トワーク管理方式を提供することにある。An object of the present invention is to provide a network management method that prevents a decrease in network usage efficiency by allowing each communication device to maintain the latest status of all communication devices connected to the network.
本発明によるネットワーク管理方式は、通信回線によっ
て相互接続される全通信装置が一定時間毎に自通信装置
の状態を他の通信装置に一斉同報通知し、受イｈ側の各
通信装置は送信元通信装置の状態情報を受信する毎に更
新して保持することを特徴とする特
〔実施例の説明〕
次に、本発明の実施例について図面を参照して説明する
。In the network management system according to the present invention, all communication devices interconnected through communication lines broadcast the status of their own communication devices to other communication devices at regular intervals, and each communication device on the receiving side sends a message. A special feature characterized in that status information of the original communication device is updated and held every time it is received [Description of Embodiments] Next, embodiments of the present invention will be described with reference to the drawings.
第１図は本発明においてネットワーク管理情報を送信す
るときのパケットフォーマットを示し、−斉り報用宛先
アドレスＰ１と、発信元アドレスＰ２と、ネットワーク
管理用パケット識別コードのセットされたコントロール
フィールドＰ３と、ネットワーク管理情報データＰ４と
からなる。FIG. 1 shows a packet format when transmitting network management information in the present invention, including a broadcast destination address P1, a source address P2, and a control field P3 in which a network management packet identification code is set. , network management information data P4.
第２図はバス構造ネットワークの番数を示す図である。FIG. 2 is a diagram showing the numbers of bus structure networks.
同図において、上述のネットワーク管理情報は全通化装
置が一定時間毎に一斉回報で送信し、例えば赤信装置１
が括続されている端末装置１ａの切υ離し情報を送信し
た場合、受＠側の各通信装置２〜ｎは通信回線１０を介
して受信したパケットのコントロールフィールドＰ３の
識別コードがネットワーク管理コードであると判断する
と、通常のデータ受信時の処理とは異なるネットワーク
管理情報受信処理を実行して、通信装置２〜ｎ内に保持
ｌ−ている自通信装置以外の他の通信装置のネットワー
ク管理情報のうちの送信元の道花器珈′１のネットワー
ク管理情報のみを更新する。In the figure, the above-mentioned network management information is transmitted by the general communication device at regular intervals, for example, from the red light device 1.
When transmitting disconnection information for the terminal device 1a that is connected to If it is determined that this is the case, network management information reception processing that is different from the processing when receiving normal data is executed to perform network management of other communication devices other than the own communication device held in the communication devices 2 to n. Of the information, only the network management information of the transmitting source, Doukaki'1, is updated.
以後、通信装置２〜ｎに接続されている端末装置２ａ−
−ｎａから通信装置１に接紗込れている端末装ｈ１ａに
データを送信しようとした場合は、通信装置２〜ｎが保
持している最新のネットワーク管理情報によって、端末
装置１ａが通信装置１から切＃）離ネれていることを認
識できるので、通信装置２〜ｎはネットワークにデータ
を送出しないで、端末装置ｔ２ａ−ｎａＫ端末装置１ａ
の切シ離し状態を通知する。Thereafter, the terminal devices 2a- connected to the communication devices 2 to n
If an attempt is made to send data from -na to the terminal h1a plugged into the communication device 1, the latest network management information held by the communication devices 2 to n will cause the terminal device 1a to connect to the communication device 1. Since the communication devices 2-n can recognize that they are separated from each other, they do not send data to the network, and the terminal devices t2a-naK terminal device 1a
Notifies the disconnection status of the
以上ｂ・、明したように本発明によれは、通信装置を相
互接続する通信回線に不要なデータを送出することがな
いため、ネットワークの使用効率を上げることができる
。b. As explained above, according to the present invention, since unnecessary data is not sent to the communication line interconnecting communication devices, it is possible to improve the usage efficiency of the network.
第１図は本発明の一実施例におけるネットワーク管理情
報送信用パケットフォーマットを示す図、第２図は本発
明の一実施例におけるバス構造ネットワークの梧成例を
示す図である。
１〜ｒｌ・・・・・・通信装置、１ａ−ｎａ・・・・・
・端末装置、１０・・・・・・通傷回＆！１゜
第１圀FIG. 1 is a diagram showing a packet format for transmitting network management information in one embodiment of the present invention, and FIG. 2 is a diagram showing an example of the construction of a bus structure network in one embodiment of the present invention. 1~rl... Communication device, 1a-na...
・Terminal device, 10... Passage times &! 1゜First area
Claims (1)
相互接続して成るバス格造ネットワークにおいて、一定
時間毎に自通信装置の状態を他の通信装置に一斉回報通
知し、各受信側通信装置は送信元通信装置の状態を受信
する毎に更新して保持することを特徴とするネットワー
ク管理方式。In a bus network in which multiple communication devices that accommodate terminal devices are interconnected via communication lines, the status of its own communication device is broadcasted to other communication devices at regular intervals, and each receiving communication device A network management method characterized by updating and retaining the status of a source communication device each time it is received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59023436A JPS60169252A (en) | 1984-02-10 | 1984-02-10 | Network management method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59023436A JPS60169252A (en) | 1984-02-10 | 1984-02-10 | Network management method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60169252A true JPS60169252A (en) | 1985-09-02 |
Family
ID=12110447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59023436A Pending JPS60169252A (en) | 1984-02-10 | 1984-02-10 | Network management method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60169252A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62143537A (en) * | 1985-12-18 | 1987-06-26 | Nec Corp | Communication network administration system |
| JPS63173436A (en) * | 1987-01-13 | 1988-07-18 | Hitachi Ltd | Terminal status management method |
| JPS645246A (en) * | 1987-06-15 | 1989-01-10 | Ibm | Method of maintaining topology information |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5685143A (en) * | 1979-12-14 | 1981-07-11 | Fujitsu Ltd | Inter-system synchronizing method |
| JPS58184849A (en) * | 1982-04-22 | 1983-10-28 | Mitsubishi Electric Corp | Communicating device |
-
1984
- 1984-02-10 JP JP59023436A patent/JPS60169252A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5685143A (en) * | 1979-12-14 | 1981-07-11 | Fujitsu Ltd | Inter-system synchronizing method |
| JPS58184849A (en) * | 1982-04-22 | 1983-10-28 | Mitsubishi Electric Corp | Communicating device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62143537A (en) * | 1985-12-18 | 1987-06-26 | Nec Corp | Communication network administration system |
| JPH0520015B2 (en) * | 1985-12-18 | 1993-03-18 | Nippon Electric Co | |
| JPS63173436A (en) * | 1987-01-13 | 1988-07-18 | Hitachi Ltd | Terminal status management method |
| JPS645246A (en) * | 1987-06-15 | 1989-01-10 | Ibm | Method of maintaining topology information |
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