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Question 3:Consider a message that is 10 Mbits long that is to be sent from source to destination in Figure 1. Suppose each link is of 2Mbps. Only consider transmission delay, and Ignore, queuing, processing and propagation delay. Packet Source Packet switch Packet switch Destination Assume that the message is divided into 500 packets. a. How many bits are there in each packet? b. At what time the first packet will be received at first packet switch? c. At what time will the first packet will be received at Destination? d. At what time all the packets will be received at Destination?

Question 3:Consider a message that is 10 Mbits long that is to be sent from source to destination in Figure 1. Suppose each link is of 2Mbps. Only consider transmission delay, and Ignore, queuing, processing and propagation delay. Packet Source Packet switch Packet switch Destination Assume that the message is divided into 500 packets. a. How many bits are there in each packet? b. At what time the first packet will be received at first packet switch? c. At what time will the first packet will be received at Destination? d. At what time all the packets will be received at Destination?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question 3:Consider a message that is 10 Mbits long that is to be sent from source to destination in Figure 1. Suppose each link is of 2Mbps. Only considertransmission delay, and Ignore, queuing, processing and propagation delay. Packet Source Packet switch Packet switch Destination Assume that the message is divided into 500 packets. a. How many bits are there in each packet? b. At what time the first packet will be received at first packet switch? c. At what time will the first packet will be received at Destination? d. At what time all the packets will be received at Destination?
Transcribed Image Text:Question 3:Consider a message that is 10 Mbits long that is to be sent from source to destination in Figure 1. Suppose each link is of 2Mbps. Only considertransmission delay, and Ignore, queuing, processing and propagation delay. Packet Source Packet switch Packet switch Destination Assume that the message is divided into 500 packets. a. How many bits are there in each packet? b. At what time the first packet will be received at first packet switch? c. At what time will the first packet will be received at Destination? d. At what time all the packets will be received at Destination?
Question 4: Considerthe figure below, with three links, each with the specified transmission rate and link length. +Link 1 Link 2 +Link 3+ Transmission rate: 1000 Mbps Link Length: 1 Km Transmission rate: 10 Mbps Link Length: 2 Km Transmission rate: 100 Mbps Link Length: 5000 Km Assume a packetlength of 8000 bits is transmitted from host to destination. 1. Find the delay on each link for one packet. 2. Find the end to end (host to destination) delay for one packet Considertransmission delays and propagation delays but ignoring queuing delays and processing delays. Formulas: Transmission delay= Length of packet in bits / Transmission rate Propagation delay = distance between two nodes/3 x 108 m/s Total delay at each link= Transmission delay + Propagation delay.
Transcribed Image Text:Question 4: Considerthe figure below, with three links, each with the specified transmission rate and link length. +Link 1 Link 2 +Link 3+ Transmission rate: 1000 Mbps Link Length: 1 Km Transmission rate: 10 Mbps Link Length: 2 Km Transmission rate: 100 Mbps Link Length: 5000 Km Assume a packetlength of 8000 bits is transmitted from host to destination. 1. Find the delay on each link for one packet. 2. Find the end to end (host to destination) delay for one packet Considertransmission delays and propagation delays but ignoring queuing delays and processing delays. Formulas: Transmission delay= Length of packet in bits / Transmission rate Propagation delay = distance between two nodes/3 x 108 m/s Total delay at each link= Transmission delay + Propagation delay.
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