The distance from Earth to Mars is about 90 * 106 meters in the best case (the exact distance depends on the relative orbital positions of the two planets and can be much more). 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,

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
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The distance from Earth to Mars is about 90 * 106 meters in the
best case (the exact distance depends on the relative orbital
positions of the two planets and can be much more). 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 3000 bits.
(Recall: light speed is 3,000,000 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?
Transcribed Image Text:The distance from Earth to Mars is about 90 * 106 meters in the best case (the exact distance depends on the relative orbital positions of the two planets and can be much more). 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 3000 bits. (Recall: light speed is 3,000,000 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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