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As a possible congestion control mechanism in a network using virtual circuits internally,
a router could refrain from acknowledging a received packet until (1) it knows
its last transmission along the virtual circuit was received successfully and (2) it has a
free buffer. For simplicity, assume that the routers use a stop-and-wait protocol and
that each virtual circuit has one buffer dedicated to it for each direction of traffic. If it
takes T sec to transmit a packet (data or acknowledgement) and there are n routers on
the path, what is the rate at which packets are delivered to the destination host? Assume
that transmission errors are rare and that the host-router connection is infinitely
in Computer Networks by Loyal | 41 views

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