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本文讨论了一个宽带光纤综合业务网及结点的设计．该光纤网使用ＡＴＭ技术和修改的ＤＱＤＢ协议（Ｍｏｄｉｆｉｅｄ－ＤｉｓｔｒｉｂｕｔｅｄＱｕｅｕｅＤｕａｌＢｕｓ），在Ｍ－ＤＱＤＢ中使用全分组交换方式，信元（ｃｅｌｌ）的结构与Ｂ－ＩＳＤＮ相符，提高了与Ｂ－ＩＳＤＮ的兼容性．作为骨干网的数据速率为１５５．５２０Ｍｂ／Ｓ．
This article discusses the design of a broadband optical fiber integrated services network and nodes. The fiber network uses ATM technology and modified DQB (Modified-DistributedQualuityBus), using full packet switching in M-DQDB, cell structure consistent with B-ISDN, improved compatibility with B-ISDN . The data rate for the backbone is 155.520 Mb / s.