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通过分析IEEE 802.6 DQDB和CCITT关于ATM的有关建议,比较了它们的分层结构及信息分组格式,得出可将DQDB城域网作为向B—ISDN过渡的优选网络的结论,讨论了网间互通时的有关问题。
By analyzing the relevant recommendations of IEEE 802.6 DQDB and CCITT on ATM, their hierarchical structure and information packet format are compared, and the conclusion that DQDB metropolitan area network can be used as the preferred network for the transition to B-ISDN is concluded. Inter-network communication When the relevant issues.