For a 55Mbits/sec channel with 83ms propagation delay, what is the channel utilization when sending 57KByte...
For a 55Mbits/sec channel with 83ms propagation delay, what is the channel utilization when sending 57KByte frames if Stop-and-Wait is used? (round the final answer to 2 decimal points)
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For a 55Mbits/sec channel with 83ms propagation delay, what is
the channel utilization when sending 57KByte...
A channel has a bit rate of 15kbps and a propagation delay of 20ms. For what...
A channel has a bit rate of 15kbps and a propagation delay of 20ms. For what value of frame size does stop-and-wait protocol give an efficiency of 25 percent? Any help is highly appreciated.
Problem 2. Sender Utilization (20 pt.) Assume stop-and-wait, 100 Mbps link, 10 ms propagation delay, 10,000...
Problem 2. Sender Utilization (20 pt.) Assume stop-and-wait, 100 Mbps link, 10 ms propagation delay, 10,000 bit packet. Calculate sender utilization. Assume pipelining and 20 packets can be sent without ACK, 100 Mbps link, 10 ms propagation delay, 10,000 bit packet. Calculate sender utilization.
1. (1 pt) Under what conditions would an open-loop protocol such as an error-correcting Hamming code...
1. (1 pt) Under what conditions would an open-loop protocol such as an error-correcting Hamming code be preferable to the feedback type protocols discussed in Chapter 3? 2. (1 pt) Suppose that a stop-and-wait protocol was used on a channel has a 300 millisecond propagation delay and sender frames sizes of 100 milliseconds. The receiver must fully receive the frame before sending an acknowledgment. The size of the acknowledgment can be ignored. What is the channel utilization? 3. (1 pt)...
03) Consider sending a file size of O bits over a path of 2 links. Suppose...
03) Consider sending a file size of O bits over a path of 2 links. Suppose the first link can transmit at R1 bit/sec (bps) and the second link can transmit R2 bits/sec (bps) (R1+ R2), both links have a propagation delay of tp, network lightly loaded (no queuing delays), and each link's maximum frame size, S bits, is same (S < O and number of segments is integer and headers are negligible.). (a) How long does it take to...
Suppose nodes A and B are on the same 10 Mbps broadcast channel, and the propagation...
Suppose nodes A and B are on the same 10 Mbps broadcast channel, and the propagation delay between the two nodes is 245 bit times. Suppose A and B send Ethernet frames at the same time, the frames collide, and then A and B choose different values of K in the CSMA/CD algorithm. Assuming no other nodes are active, can the retransmissions from A and B collide? For our purposes, it suffices to work out the following example. Suppose A...
Performance of Stop and wait protocol (1) Performance of Stop-and-wait protocol Consicder a DCsysicrm rurning Stop...
Performance of Stop and wait protocol
(1) Performance of Stop-and-wait protocol Consicder a DCsysicrm rurning Stop rii wwaii proioco ith the: followin parameters H>Packet size is 1250 bytes including 25 bytes of overhead <ACK packets are 25 bytes long > Channel capacity (speed) is 1Mbps (Mega bits/sec) <#> Propagation delays 0.5ms <H> Ignore the processing delay at both Tx & Rx <a> Calculate the channel efficiency [3 pt <b> Re do part cas for propagation delay of!ims !iOms l4pi do...
The objective of this exercise is to realize high distance and high bandwidth affect the performance of stop and wait....
The objective of this exercise is to realize high distance and high bandwidth affect the performance of stop and wait. The distance from Earth to a distant planet is approximately 9 x 10 km. Assume that the frame size is 32 KB and the speed of light is 3 108 m/s. Assume that the bit rate is 32 Mbps a) (5 points) What is the efficiency (channel utilization) if a stop-and-wait protocol is used? b) (15 points) Suppose we use...
show all work please 2. Consider the use of 1000 bit frames on a 1 Mbps...
show all work please
2. Consider the use of 1000 bit frames on a 1 Mbps satellite channel with a 290 ms delay. [Stallings 7.3] What is the maximum link utilization for: [10 points) Stop-and-wait flow control? Continuous flow control with a window size of 7? Continuous flow control with a window size of 127? Continuous flow control with a window size of 255?
What are processing delay, queuing delay, transmission delay, and propagation delay respectively? Explain in detail why...
What are processing delay, queuing delay, transmission delay, and propagation delay respectively? Explain in detail why the traffic intensity should be no greater than one (1) when designing a network system?
Assume a TCP sender is continuously sending 1,369-byte segment. If a TCP receiver advertises a window...
Assume a TCP sender is continuously sending 1,369-byte segment. If a TCP receiver advertises a window size of 7,001 bytes, and with a link transmission rate 34 Mbps an end-to-end propagation delay of 30.7 ms, what is the utilization? Assume no errors, no processing or queueing delay, and ACKs transmit instantly. Also assume the sender will not transmit a non-full segment. Give answer in percentages, rounded to one decimal place, without units (e.g. for an answer of 10.43% you would...
1. (1 pt) Under what conditions would an open-loop protocol such as an error-correcting Hamming code be preferable to the feedback type protocols discussed in Chapter 3? 2. (1 pt) Suppose that a stop-and-wait protocol was used on a channel has a 300 millisecond propagation delay and sender frames sizes of 100 milliseconds. The receiver must fully receive the frame before sending an acknowledgment. The size of the acknowledgment can be ignored. What is the channel utilization? 3. (1 pt)...
03) Consider sending a file size of O bits over a path of 2 links. Suppose the first link can transmit at R1 bit/sec (bps) and the second link can transmit R2 bits/sec (bps) (R1+ R2), both links have a propagation delay of tp, network lightly loaded (no queuing delays), and each link's maximum frame size, S bits, is same (S < O and number of segments is integer and headers are negligible.). (a) How long does it take to...
Performance of Stop and wait protocol
(1) Performance of Stop-and-wait protocol Consicder a DCsysicrm rurning Stop rii wwaii proioco ith the: followin parameters H>Packet size is 1250 bytes including 25 bytes of overhead <ACK packets are 25 bytes long > Channel capacity (speed) is 1Mbps (Mega bits/sec) <#> Propagation delays 0.5ms <H> Ignore the processing delay at both Tx & Rx <a> Calculate the channel efficiency [3 pt <b> Re do part cas for propagation delay of!ims !iOms l4pi do...
The objective of this exercise is to realize high distance and high bandwidth affect the performance of stop and wait. The distance from Earth to a distant planet is approximately 9 x 10 km. Assume that the frame size is 32 KB and the speed of light is 3 108 m/s. Assume that the bit rate is 32 Mbps a) (5 points) What is the efficiency (channel utilization) if a stop-and-wait protocol is used? b) (15 points) Suppose we use...
show all work please
2. Consider the use of 1000 bit frames on a 1 Mbps satellite channel with a 290 ms delay. [Stallings 7.3] What is the maximum link utilization for: [10 points) Stop-and-wait flow control? Continuous flow control with a window size of 7? Continuous flow control with a window size of 127? Continuous flow control with a window size of 255?
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