ATM is also running as slow as 9.6 Kbps between ships at sea. ATM is highly scalable and supports transmission speeds of 1.5, 25, 100, 155, 622, 24 Mbps ). For example, idle bandwidth in a videoconference circuit can be used to transfer data.ĪTM is widely used as a backbone technology in carrier networks and large enterprises, but never became popular as a local network (LAN) topology (see below). However, unlike telephone switches that dedicate circuits end to end, unused bandwidth in ATM's logical circuits can be appropriated when needed. The topology uses switches that establish a logical circuit from end to end, which guarantees quality of service (QoS). (Asynchronous Transfer Mode) A network technology for both local and wide area networks (LANs and WANs) that supports realtime voice and video as well as data.
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