ASYNCHRONOUS TRANSFER MODE
ATM – definition: A transfer mode in which information is organized into cells; it is asynchronous in the sense that the recurrence of cells containing information from an individual user is not necessarily periodic". OR High-speed transfer technology for voice, video, and data over public networks. ATM VS X.25 — As the speed and number of local area networks (LANs) continue their relentless growth, increasing demand is place on wide area packet-switching networks to support the tremendous throughput generated by these LANs. — X.25 was designed to support direct connection of terminals and computers over long distances. — X.25 packets may be of varying length, whereas ATM packets are of fixed size. — X.25, with its substantial overhead, is being recognized as an inadequate tool for wide area networking. ATM VS FRAME RELAY — ATM is normally utilized for high bandwidths of 34 Mbps and upwards. — At speeds of 2 Mbps and below, Frame Relay is more bandwidth effi