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Hosts A and B communicate through a store-and-forward switch. The links between the hosts and the...
3. Suppose there is exactly one packet switch (or router) between a sending host and a...
3. Suppose there is exactly one packet switch (or router) between a sending host and a receiving host. The transmission rates between the sending host and the switch and between the switch and the receiving host are R1 = 1Mbps and R2 = 2Mbps, respectively. Assuming that the switch uses store-and-forward packet switching, what is the total end-to-end delay to send a packet of length 18000bits? Assume that the propagation speed is 2 * 108 meters/sec, the distance between source...
Hosts A and B are each connected to a switch S via 1-Gbps links as below....
Hosts A and B are each connected to a switch S via 1-Gbps links as below. The propagation delay on each link is 20 μs. S is a store-and-forward device; it begins retransmitting a received packet 35μs after it has finished receiving it. Calculate the total time required to transmit 10,000 bits from A to B in the following two cases: When all the 10,000 bits are transmitted in a single packet? When the 10,000 bits are transmitted in two...
Host A is sending a file to Host B. There are 3 links (therefore 2 switches)...
Host A is sending a file to Host B. There are 3 links (therefore 2 switches) between the hosts. The file is segmented into packets of 40 bytes, with a 10-byte header added to each packet. Each link has a transmission rate of 100 kbps and a speed of 1000 km per sec. The switches are 100km away from each other. Host A is 50 km away from the first switch while Host B is 150 km away from the...
Questions: 1. (15pt.) Suppose that a file of 10 bytes is transferred between two hosts, and packet size is 10 bytes. Assume packets are sent back-to-back with no overhead of encapsulation. Calcula...
Questions: 1. (15pt.) Suppose that a file of 10 bytes is transferred between two hosts, and packet size is 10 bytes. Assume packets are sent back-to-back with no overhead of encapsulation. Calculate the file transmission latency (from first bit sent to last bit received) for (a) Single store-and-forward 1-Gbps switch is in the path, each link introduces a propagation delay of lus, and either queucing or processing delay can be omitted (b) Same as (a) but with three switches; (e)...
Transmission Delay Consider sending N packets each of length L bits from Host A to Host B, as shown in the figure below. Assume that the links between Host A and the Router and between the Router and...
Transmission Delay
Consider sending N packets each of length L bits from Host A to
Host B, as shown in the figure below. Assume that the links between
Host A and the Router and between the Router and Host B each has a
transmission rate of R bits per second. Assume all buffers are of
infinite capacity. Ignore all processing and propagation
delays.
a) Express the delay it takes to send 2 packets
from A to B as a function...
Please Answer all Questions on Networks, They all involve calculation ( 1-9 Questions) "A single router...
Please Answer all Questions on Networks, They all involve calculation ( 1-9 Questions) "A single router is transmitting packets, each of length L bits, over a single link with transmission rate R Mbps to another router at the other end of the link. Suppose that the packet length is L= 12000 bits, and that the link transmission rate along the link to router on the right is R = 1000 Mbps. What is the maximum number of packets per second...
10. Suppose there is exactly one packet switch between a sending host and a receiving host....
10. Suppose there is exactly one packet switch between a sending host and a receiving host. The transmission rates between the sending host and the switch and between the switch and the receiving host are R1 and R2, respectively. Assuming that the switch uses store-and-forward packet switching, what is the total end-to- end delay to send a packet of length L? (Ignore queuing, propagation delay, and processing delay.) 11. Draw a sketch of computers and network routers and links, to...
Consider sending a large file of Z bits from Host A to Host B. There are four links (and three sw...
Consider sending a large file of Z bits from Host A to Host B. There are four links (and three switches) between A and B, and the links are uncongested (that is, no queuing delays). Host A segments the file segments of S bits each and adds 60 bits of header to each segment, forming packets of L 60S bits. Each link has a transmitting rte of R bps. Propagation delay is ρ microseconds kilometer. Consider the following distances: A...
Suppose two hosts, Host A and B, are separated by 10,000 kilometers and are connected by...
Suppose two hosts, Host A and B, are separated by 10,000 kilometers and are connected by a direct link of R-1 Mbps. Suppose the propagation speed over the link is 2.5 10 meters/sec. The propagation delay of the link is dprop (a) Calculate the bandwidth-delay product, R dpop (b) Consider sending a file of 400,000 bits from Host A to Host B. Suppose the file is sent continuously as one large message. What is the maximum number of bits that...
Consider sending a large file of F bits from Host A to Host B. There are...
Consider sending a large file of F bits from Host A to Host B. There are m links (and m-1 switches) between A and B, and the links are uncongested (that is, no queueing delays). Host A segments the file into segments of S bits each and adds H bits of header to each segment, forming packets of L = H + S bits. Each link has a transmission rate of R bps. Find the value of S that minimizes...
Questions: 1. (15pt.) Suppose that a file of 10 bytes is transferred between two hosts, and packet size is 10 bytes. Assume packets are sent back-to-back with no overhead of encapsulation. Calculate the file transmission latency (from first bit sent to last bit received) for (a) Single store-and-forward 1-Gbps switch is in the path, each link introduces a propagation delay of lus, and either queucing or processing delay can be omitted (b) Same as (a) but with three switches; (e)...
Transmission Delay
Consider sending N packets each of length L bits from Host A to
Host B, as shown in the figure below. Assume that the links between
Host A and the Router and between the Router and Host B each has a
transmission rate of R bits per second. Assume all buffers are of
infinite capacity. Ignore all processing and propagation
delays.
a) Express the delay it takes to send 2 packets
from A to B as a function...
10. Suppose there is exactly one packet switch between a sending host and a receiving host. The transmission rates between the sending host and the switch and between the switch and the receiving host are R1 and R2, respectively. Assuming that the switch uses store-and-forward packet switching, what is the total end-to- end delay to send a packet of length L? (Ignore queuing, propagation delay, and processing delay.) 11. Draw a sketch of computers and network routers and links, to...
Consider sending a large file of Z bits from Host A to Host B. There are four links (and three switches) between A and B, and the links are uncongested (that is, no queuing delays). Host A segments the file segments of S bits each and adds 60 bits of header to each segment, forming packets of L 60S bits. Each link has a transmitting rte of R bps. Propagation delay is ρ microseconds kilometer. Consider the following distances: A...
Suppose two hosts, Host A and B, are separated by 10,000 kilometers and are connected by a direct link of R-1 Mbps. Suppose the propagation speed over the link is 2.5 10 meters/sec. The propagation delay of the link is dprop (a) Calculate the bandwidth-delay product, R dpop (b) Consider sending a file of 400,000 bits from Host A to Host B. Suppose the file is sent continuously as one large message. What is the maximum number of bits that...
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