What is the bandwidth-delay product for communication

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Reference no: EM132177358

You've recently been hired by NASA/JPL to work on data communications to the International Space Station (ISS).

As part of your new job, you've been asked to work on the link layer protocol for a wireless data connection with a bandwidth of 100 Mbps to the ISS.

Assuming the ISS is 250 km from the surface of the earth and the speed of light is c = 3.0 ×10⁸ m/s, answer the following:

(a) What is the bandwidth-delay product for communication between Earth and the ISS?

(b) If your protocol will be the Go-Back-N sliding window protocol, what size window do you need to use in order to achieve a transmission speed of 100 Mbps? Assume the frame size is 4096 bytes, the window is always full, there are no losses, and the ACK trac is negligible.

(c) What size frame do you need in order to achieve an actual data transfer speed of 100 Mbps, assuming 128 bytes of overhead, and the window size is 256?

Reference no: EM132177358

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