
426 Networking Explained, Second Edition
“space” to move the information efficiently in the required time frame. (This is called iso-
chronous communications.) This requires various handshaking between systems, band-
width allocation and management facilities, QoS delivery facilities, and a host of other
technologies, algorithms, and techniques to ensure the path between source and destina-
tion is clean, fast, and efficient. All this adds up to the need to have a “network in a net-
work” so that ATM devices can properly manage the path of activity between the source
and destination systems on the network.
6. Does this mean that communication protocols ...