No matter if it’s called Carrier Ethernet, Metro-Ethernet, or Business Ethernet the premise is pretty a great deal the similar. While 100-megabit Ethernet and other higher-speed networks can offer comparable bandwidth, only ATM can supply the QoS guarantees needed for true-time telephony, VCR-high quality video streaming, CD-quality sound, smooth videoconferencing, and other delay-sensitive voice and video applications.
In the instance (from Asynchronous Transfer Mode Techonology by Martin de Prycker), we see that a virtual path is established among nodes A and C. Two cells, with a VCI of three and 4 and each obtaining a VPI of 9 are routed at node A to the path leading to node C, purely by virtue of their VPI.
ATM is struggling to adapt, nonetheless, to the speed and targeted traffic-shaping specifications of convergent network technologies, specifically with respect to the complexity connected with Segmentation and Reassembly (SAR), which is the supply of …
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