| 書目名稱 | Public Data Networks | | 副標(biāo)題 | From Separate PDNs t | | 編輯 | Josef Pu?man,Boris Kubín | | 視頻video | http://file.papertrans.cn/764/763563/763563.mp4 | | 圖書封面 |  | | 描述 | .Public Data Networks. provide a comprehensive survey of PDNs, covering all major countries. PDNs allow efficient and cost-effective telecommunication between a terminal and computer, or between computers, regardless of who owns the data terminal. The authors discuss the current state of, and forthcoming developments in, data communications using public telecommunication facilities. Apart from the classical telecommunication networks (telegraph and telephone), public data networks provide the majority of data communication services worldwide. The range of data services and user facilities has gradually expanded, the quality of services improved, and new services have appeared (e.g. datafax, teletex, videotex, message handling and teleconferencing). The authors concentrate on PDN principles, taking account of the latest CCITT recommendations and ISO standards. Appendices and references provide detailed information for those working on PDNs at research, design an implementation level. Network digitalization and integration of networks and services have aided progress towards the integrated services digital network (ISDN). The ISDN uses advanced transmission and switching techniques t | | 出版日期 | Book 1992 | | 關(guān)鍵詞 | ISDN; Quality of Service; Quality of Service (QoS); Standards; Switching; communication; communication net | | 版次 | 1 | | doi | https://doi.org/10.1007/978-1-4471-1737-7 | | isbn_softcover | 978-3-540-19580-1 | | isbn_ebook | 978-1-4471-1737-7 | | copyright | Josef Pu?man and Boris Kubín 1992 |
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