Suppose two TCP connections are present over some bottleneck link of rate R bps. Both connections have a huge file to send (in the same direction over the bottleneck link). The transmissions of the files start at the same time. What transmission rate would TCP like to give to each of the connections?

R/2 bps

Explanation:

The TCP protocol is a connection oriented protocol that establishes a three way connection to transfer packets between hosts in a network. It is a protocol in the transport layer of the OSI network model. It is reliable given that all packets dropped are retransmitted.

A bottleneck link is a link of which it's bandwidth continuously reduces to a narrow channel. When two TCP connections are present in a bottleneck, the bandwidth used by the TCP protocol is divided to two halves for both connections, that is R bps/ 2.

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