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Suppose that x bits of user data are to be transmitted over a k-hop path in...

Suppose that x bits of user data are to be transmitted over a k-hop path in a packet- switched network as a series of packets, each containing p data bits and h header bits, with x > p + h. The bit rate of the lines is b bps and the propagation delay is negligible. What value of p minimizes the total delay?

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