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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 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...
2. (10 pts.) Consider sending a large file of F bits from Host A to Host...
2. (10 pts.) Consider sending a large file of F bits from Host A to Host B. There are six links (and five switches) between A and B, and the links are not congested (that is, no queueing delays). Host A segments the file into segments of S bits each and adds 30 bits of header to each segment, forming packets of L 30+S bits. Each link has a transmission rate of R bps. Find the value of S that...
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...
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...
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...
Q2.3. (15%) Consider sending a file of F bytes over a path of Q links. Each...
Q2.3. (15%) Consider sending a file of F bytes over a path of Q links. Each link transmits at R bps. The network is lightly loaded so that there are no queuing delays at any link. The propagation delay on each link is Tp seconds on average. 1. Suppose the network is a packet-switched virtual-circuit network. Assume the VC setup time is Ts seconds. Suppose the sending layers add a total of h bits of header to the file, and...
Consider sending a file of size 1 Gigabits from a server to a client. The server...
Consider sending a file of size 1 Gigabits from a server to a client. The server segments the files into packets of the size 10 megabits. There are 5 routers (6 links) between the client and the server. Assume there is no queuing delay and end-to-end propagation delay is 10 seconds. Compute the total delay for sending this file from server to client. Assuming we are sending the packets back to back and all links have the transmission rate 100...
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...
Note: b denotes bits and B denotes Bytes (1 Byte = 8 bits). Consider a packet...
Note: b denotes bits and B denotes Bytes (1 Byte = 8 bits). Consider a packet of length L, which begins at source and travels over seven links to a destination. These links are connected through six routers. Let di, si, and Ri denote the length, propagation speed, and the transmission rate of link i, for i = 1 to 7. The processing delay at each router is d-proc. The queuing delay at each router is d-que. What is the...
3. Consider sending real-time data from Host A to Host B over a packet-switched network. Host...
3. Consider sending real-time data from Host A to Host B over a packet-switched network. Host A takes a 32-bit measurement every millisecond, and Host A collects these into 128-byte packets. There is one link between Hosts A and B; its transmission rate is 2 Mbps, its propagation delay is 2 × 108 meters/sec, and its length is 1500 km. As soon as Host A gathers a packet, it sends the packet to Host B. How much time elapses from...
2. (10 pts.) Consider sending a large file of F bits from Host A to Host B. There are six links (and five switches) between A and B, and the links are not congested (that is, no queueing delays). Host A segments the file into segments of S bits each and adds 30 bits of header to each segment, forming packets of L 30+S bits. Each link has a transmission rate of R bps. Find the value of S that...
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...
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...
Q2.3. (15%) Consider sending a file of F bytes over a path of Q links. Each link transmits at R bps. The network is lightly loaded so that there are no queuing delays at any link. The propagation delay on each link is Tp seconds on average. 1. Suppose the network is a packet-switched virtual-circuit network. Assume the VC setup time is Ts seconds. Suppose the sending layers add a total of h bits of header to the file, and...
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