The distance from Earth to Mars is about 90 106 meters in the best case. Assume there is a link between Earth and Mars with a transmission rate of 2Mb/s. We need to send a packet from Earth to Mars over this link, and the packet has a length of 20000 bits. (Recall: light speed is 300,000,000 meters/sec) 1. What's the transmit delay? 2. What's the propagation delay? 3. Ignore queuing and processing delay, what's the end to end delay?

The distance from Earth to Mars is about 90 106 meters in the best case. Assume there is a link between Earth and Mars with a transmission rate of 2Mb/s. We need to send a packet from Earth to Mars over this link, and the packet has a length of 20000 bits. (Recall: light speed is 300,000,000 meters/sec) 1. What's the transmit delay? 2. What's the propagation delay? 3. Ignore queuing and processing delay, what's the end to end delay?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Network transmission cabling

A network is a collection of devices connected by communication links. A device can be a computer or any instrument capable of sending and receiving data or information formed by other nodes toward the network. A channel that connects people or things is known as a network. It sends the data from one place to another. It is the basic concept of a computer, network, and data communications.

Question

The distance from Earth to Mars is about \(90 \times 10^6\) meters in the best case. Assume there is a link between Earth and Mars with a transmission rate of 2 Mb/s. We need to send a packet from Earth to Mars over this link, and the packet has a length of 20000 bits.

(Recall: light speed is 300,000,000 meters/sec)

1. What's the transmit delay?
2. What's the propagation delay?
3. Ignore queuing and processing delay, what's the end to end delay?

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