as a possible congestion control mechanism in a subnet 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 7 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 fast.
as a possible congestion control mechanism in a subnet 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 7 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 fast.
Chapter9: Computer Networks
Section: Chapter Questions
Problem 10VE
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Question
![as a possible congestion control mechanism in
a subnet 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 7 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
fast.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8a01e8c7-dd2a-4584-9aef-46432e0ee9b7%2F8cb49b9c-6e6a-4d8a-954e-88cc7dc2282d%2Ftb5vqa9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:as a possible congestion control mechanism in
a subnet 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 7 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
fast.
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