ATM (Asynchronous Transfer Mode) is a technological system developed for both local and wide area networks (LAN and WAN), and designed to handle data as well as video and voice traffic in real time, all at the same time. The system architecture makes use of switches that set up logical circuits at both ends of the data stream, which ensures unprecedented quality of service (QoS).
Unlike conventional telephone switches that sets up dedicated end-to-end circuits, unused bandwidth in Asynchronous Transfer Mode (ATM) can be used for other purposes if needed. For example, idle or unused bandwidth in a video conferencing meeting can be used to transfer data along the same line.
Large carrier networks (telcos) and large enterprises have made use of ATM technology but it has never been picked up for LAN use.
Posted by: Wasim Javed
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