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Tag Archives: Broadband ISDN and ATM

Broadband ISDN and ATM

Broadband ISDN and ATM

Broadband ISDN and ATM Broadband ISDN and ATM, Even if the above services become popular. the telephone companies are still faced with a far more fundamental problem: multiple networks. POTS (Plain Old Telephone Service) and Telex use the old Circuit-switched network. Each of the new data services such as SMDS and frame relay uses its own packet-switching network. DQDB is different from these, and the …

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