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11. Suppose the bandwidth on a point-to-point link is 1 Mbps and the round-trip delay is...
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.
Assume pipelining and 20 packets can be sent without ACK, 100 Mbps link, 10 ms propagation...
Assume pipelining and 20 packets can be sent without ACK, 100 Mbps link, 10 ms propagation delay, 10,000 bit packet. Calculate sender utilization.
The measured average round trip delay on a connection is 50 msec. If the link has...
The measured average round trip delay on a connection is 50 msec. If the link has a bandwidth of 1Gb/sec, what is the minimum number of Bytes that should be available in the window so that the transfer of the data does not become stop and wait
Consider a 1-Mbps satellite channel. Frame length is 1000 bits and the probability of an unsucces...
Please, answer all the parts of the question. The subject is
Networking.
Consider a 1-Mbps satellite channel. Frame length is 1000 bits and the probability of an unsuccessfiul frame transmission is P. Assume that the errors on different frames are independent. Neglect acknowledgment transmission time and receiver processing time and assume a sliding window protocol, using the selective-repeat ARQ method of error recovery. Assume t-50x10° seconds (a) What is the average number of transmission per frame N Assume P 0.01...
Question 4: If the BW of the line is 1.5Mbps, round trip time is 45ms and...
Question 4: If the BW of the line is 1.5Mbps, round trip time is 45ms and packet size is 1kB, what is the link utilisation in stop and wait? Question 5: Consider a transmission line with CSMA/CD. Assume that the signals travel in the fibre optic line at 0.8 times the speed of light, with an round trip time of 3.2ms, and the temperature of the glass medium is 32 degrees Celsius. Considering a packet (frame) size of 1600 bits,...
25. Suppose you are designing a sliding window protocol for a 1-Mbps point-to-point link to the...
25. Suppose you are designing a sliding window protocol for a 1-Mbps point-to-point link to the stationary satellite evolving around the Earth at an altitude of 3 x 104 km. Assuming that each frame carries 1 KB of data, what is the minimum number of bits you need for the sequence number in the following cases? Assume the speed of light is 3 x 108 m/s. (a) RWS-1 (b) RWS-SWS
(a) A data link with a 1 Gigabits/sec capacity is used to transmit packets made up of 1400 bytes of data and 100 bytes of protocol control information. Each packet is acknowledged by a short frame of...
(a) A data link with a 1 Gigabits/sec capacity is used to transmit packets made up of 1400 bytes of data and 100 bytes of protocol control information. Each packet is acknowledged by a short frame of size 150 bytes. The propagation speed in the transmission medium is 200,000 km/sec. Consider the buffering and processing time in the nodes to be negligible. A node A communicates with a node B, with a distance between nodes A and B of 16...
Question#1 1. What is the difference between a BSS and an ESS? 2. Discuss the three...
Question#1 1. What is the difference between a BSS and an ESS? 2. Discuss the three types of mobility in a wireless LAN. Question#2 A network using CSMA/CD has a bandwidth of 10 Mbps. If the maximum propagation time (Including the delays in the devices and ignoring the time needed to send a jamming signal, as we see later) is 25.611US, what is the minimum size of the frame? Question#3 Assume that, in a Stop-and-Wait ARQ system, the bandwidth of...
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...
Suppose that multiple users share a 1 Mbps link. Each user has a data rate of 200 b) kbps when "active", and ea...
Suppose that multiple users share a 1 Mbps link. Each user has a data rate of 200 b) kbps when "active", and each user is active 10% of the time. When circuit switching is used to allocate resources on the shared link, how (2) (i) many users can be supported? When packet switching is used and the total number of users is 20, what is (ii) the probability that more than 5 users are active simultaneously? (3) What are the...
Please, answer all the parts of the question. The subject is
Networking.
Consider a 1-Mbps satellite channel. Frame length is 1000 bits and the probability of an unsuccessfiul frame transmission is P. Assume that the errors on different frames are independent. Neglect acknowledgment transmission time and receiver processing time and assume a sliding window protocol, using the selective-repeat ARQ method of error recovery. Assume t-50x10° seconds (a) What is the average number of transmission per frame N Assume P 0.01...
Question 4: If the BW of the line is 1.5Mbps, round trip time is 45ms and packet size is 1kB, what is the link utilisation in stop and wait? Question 5: Consider a transmission line with CSMA/CD. Assume that the signals travel in the fibre optic line at 0.8 times the speed of light, with an round trip time of 3.2ms, and the temperature of the glass medium is 32 degrees Celsius. Considering a packet (frame) size of 1600 bits,...
25. Suppose you are designing a sliding window protocol for a 1-Mbps point-to-point link to the stationary satellite evolving around the Earth at an altitude of 3 x 104 km. Assuming that each frame carries 1 KB of data, what is the minimum number of bits you need for the sequence number in the following cases? Assume the speed of light is 3 x 108 m/s. (a) RWS-1 (b) RWS-SWS
(a) A data link with a 1 Gigabits/sec capacity is used to transmit packets made up of 1400 bytes of data and 100 bytes of protocol control information. Each packet is acknowledged by a short frame of size 150 bytes. The propagation speed in the transmission medium is 200,000 km/sec. Consider the buffering and processing time in the nodes to be negligible. A node A communicates with a node B, with a distance between nodes A and B of 16...
Suppose that multiple users share a 1 Mbps link. Each user has a data rate of 200 b) kbps when "active", and each user is active 10% of the time. When circuit switching is used to allocate resources on the shared link, how (2) (i) many users can be supported? When packet switching is used and the total number of users is 20, what is (ii) the probability that more than 5 users are active simultaneously? (3) What are the...
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