IP over ATM

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IP over ATM

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The Internet Protocol (IP) is a routed protocol that is used to transmit data in packets. It uses the best-effort delivery for individual packets without any flow control. Transmission Control Protocol (TCP) is used with IP to provide a connection-oriented service. Asynchronous Transfer Mode (ATM), on the other hand, provides connections between endpoints in the ATM network. The connections are called virtual circuits (VCs). IP’s default best effort service can be supplemented by differentiated quality of service based on IP precedence or DSCP marking. A QoS solution using IP precedence is limited to 8 classes, 2 of which are reserved and 1 should be used for the default best-effort class....

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