A client and server (both on the Earth’s surface) use a satellite network to com

Question

A client and server (both on the Earth’s surface) use a satellite network to communicate, with the satellite at an altitude of 60,000 km. What is the best case delay in response to a request? In other words, from the time the client transmits its request, how long before it receives the response? Remember that radio waves travel at the speed of light = 3x10^8 meters/second. A client and server (both on the Earth’s surface) use a satellite network to communicate, with the satellite at an altitude of 60,000 km. What is the best case delay in response to a request? In other words, from the time the client transmits its request, how long before it receives the response? Remember that radio waves travel at the speed of light = 3x10^8 meters/second.

Explanation / Answer

The total distance that the radio waves must travel in this case will be 60,000 x 4(from Client ->Satellite->Server and back). which will be equal to 240000km.

The speed of radio waves is 3 x 10^8 metres/second.

therefore total time taken to get the response from the server will be (240000 x 1000) metrs /3 x 10^8 = 2.4/3 = 0.8 seconds.

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