...X.25 was later incorporated into the OSI protocol, which was standardized in the 1980s. X.25 was designed to connect a large number of terminals to a small number of large computers, and in Japan, public data networks that use it to provide packet-switched services are provided by telecommunications companies such as NTT. Examples of the use of public data networks include online systems that connect bank automatic withdrawal machines to host computers, and networks that authenticate credit cards. ... From [Communications Equipment Industry] ...Due to the significant increase in the number of subscribers to mobile communications services, wireless communication equipment experienced high growth at an average annual rate of 13.4% over the 10 years from 1987 to 1997. *Some of the terminology referenced in "NTT Corporation" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…その後,X.25は,80年代に標準化が進んだOSIプロトコルの一部に組み込まれた。X.25は,多数の端末を少数の大型コンピューターへ接続することを想定して設計されており,日本でも,それを使用してパケット交換のサービスを行う公衆データ網がNTTをはじめとする通信会社の手によって提供されている。公衆データ網の利用例として,銀行の自動払出し機とホストコンピューターとを結ぶオンラインシステムや,クレジットカードの認証を行うネットワークなどを挙げることができる。… 【通信機工業】より…こうした移動体通信サービスへの加入者の大幅な増加を受け,無線通信装置は,1987ー97年の10年間に年平均で13.4%の高い成長を遂げた。 ※「NTT[株]」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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