for a switching network. Calculate the total data times needed when the follow used: (a) Circuit switching; (b) Virtual circuit and datagram packet switching. T hops (1 hon-4km) the signal propagation speed is 2000 km/s and the line can
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- 17824 bits of data is to be transferred from a station A to station B. Assume a call setup time of 0.01 seconds for a switching network. Calculate the total data times needed when the following switching technology are used: (a) Virtual circuit and datagram packet switching. [The stations are separated by 3 hops (1 hop=4km), the signal propagation speed is 2000 km/s and the line capacity for each hop is 2400bps. Assume that each packet is 512 bits long with only 12 bits of overhead.]17824 bits of data is to be transferred from a station A to station B. Assume a call setup time of 0.01 seconds for a switching network. Calculate the total data times needed when the following switching technologies are used: (a) Circuit switching; (b) Virtual circuit and datagram packet switching. The stations are separated by 3 hops (1 hop=4km), the signal propagation speed is 2000 km/s and the line capacity for each hop is 2400bps. Assume that each packet is 512 bits long with only 12 bits of overhead.17824 bits of data is to be transferred from a station A to station B. Assume a call setup time of 0.01 seconds for a switching network. Calculate the total data times needed when the following switching technologies are used: (i) Circuit switching; (ii) Virtual circuit and datagram packet switching. The stations are separated by 3 hops (1 hop=4km), the signal propagation speed is 2000 km/s and the line capacity for each hop is 2400bps. Assume that each packet is 512 bits long with only 12 bits of overhead.
- Consider two nodes, A and B are attached to opposite ends of an 1200 meter cable with signal propagation speed is 2 x 10^8 m/sec. Frame size used by both nodes is 1500 bits including header and preambles. Assume transmission rate is 100 Mbps and there are four switches between node A and B each insert 20 bit delay as a processing time in addition to store and forward delay. If only A has packet to send, then the time taken to reach A's packet at B is?A frame of 1200 bytes travel through five switches along the path. Each link has a bandwidth of 100 Mbps, a length of 100 m, and a propagation speed of 2 × 10*8 m/sec. Assuming a queuing and processing delay of 2 ms at each switch, what is the approximate end-to-end delay for this packet?Assume a 10Mbps Ethernet has two nodes, A and B, connected by a 360m cable with threerepeaters in between, and they each have one frame of 1,024 bits to send to each other. Further assumethat the signal propagation speed across the cable is 2*10^8 m/sec, CSMA/CD uses back-off intervals ofmultiples of 512 bits, and each repeater will insert a store-and-forward delay equivalent to 20-bittransmission time. At time t=0, both A and B attempt to transmit. After the first collision, A draws K = 0and B draws K = 1 in the exponential back-off protocol after sending the 48bits jam signal. a. What is the one-way propagation delay (including all repeater delays) between A and B inseconds? At what time is A's packet completely delivered at B? b. Now suppose that only A has a packet to send and that the repeaters are replaced with switches.Suppose that each switch has an 8-bit processing delay in addition to a store-and-forward delay.At what time, in seconds, is A's packet delivered at B?
- In the communication in the figureFor Link 1; Bandwidth 150 Mbps Line Length 5 km For Link 2; Bandwidth 50 Mbps Line Length 2000 km For Link 3; Bandwidth 1000 Mbps Line Length 1 km For 4000 bit packet length and the case where fiber optic and light speed of all connections are 3x10^8 m / sec; Question 1. What is the transmission and propagation delays for each line?Question 2. Assuming there are no queue and processing delays, calculate the end-to-end delay in milliseconds.A TCP PDU of length 40,513 octets (including the TCP header) is to be transmitted over a physical link between two nodes at 1,064,218,818 bps using 802.3 with an MTU of 826 octets. Assume a LLC-PDU has an overhead of 4 octets and that the IP-PDU has no options. i) How many bits are sent over the connection from the source to destination assuming only full frames are sent? ii) What is the effective data rate from the TCP-PDU point of view (to nearest integer)? iii) If the propagation time between the two nodes is 5 microseconds what is the line efficiency to 3 decimal places assuming stop and wait is used between the two nodes?Unless specified otherwise, use the free space propagation speed of light 3x108 m/s to calculate the propagation delay. For numerical calculations, the results must show the appropriate unit. Show a complete solution for each problem1. Consider a client-server system with the following parameters and requirements. The client transmits 10x10^6 bits of data every minute to the data server connected directly to it. The transmission link speed is 20x10^6 bps. Each packet is 2,000 bytes long which includes a 20-byte packet header.a. Calculate the number of packets generated per second for data transmission at the client node.b. The system requires every packet must be delivered within 4 ms of generating a data packet. Calculate the maximum link distance between the client and the server that still can meet this requirement. Ignore processing and queuing delays.c. Calculate the number of overhead bits transmitted per second from the client to the server.
- Computer A is sending a 100 kByte long file to Computer B via packet-switching over two consecutive 10 Mbps links of 1000 km length each.Assume that the signal propagation speed on both links is 2.5 x 108 m/s.Furthermore, assume that the maximum length of a packet is 1500 bytes and that Computer A fills each packet to the max, if possible. If transmission starts at time t=0, at which time (in seconds) does the first bit arrive at the switch connecting link 1 and link 2?How would you write a system of linear equations based on the given scenario and directions? Scenario You are employed as a network engineer and have been asked to analyze a communication network to determine the current data rates and ensure that the links aren’t at risk of “reaching capacity.” In the following figure of the network, the sender is transmitting data at a total rate of 100+50 = 150 megabits per second (Mbps). The data is transmitted from the sender to the receiver over a network of five different routers. These routers are labeled A, B, C, D, and E. The connections and data rates between the routers are labeled as x1,x2, x3, x4, and x5 . Directions For this assignment, you will analyze the communication network and solve for the unknown data rates using a variety of techniques. The system can be modeled mathematically as a system of linear equations by writing an equation for each node/router in the network. Each of these equations can be written by noting that the sum…Computer A is sending a 10 MByte long file to Computer B via packet-switching over two consecutive 100 Mbps links of 2000 km length each.Assume that the signal propagation speed on both links is 2 x 108 m/s.Furthermore, assume that the maximum length of a packet is 1480 bytes and that Computer A fills each packet to the max, if possible. If transmission starts at time t=0, at which time (in seconds) does the first bit arrive at the switch connecting link 1 and link 2? (What is the propagation delay for link 1?)