In this problem. we consider the delay introduced by the TCP slow-start phase. Consider a client and

Question:

In this problem. we consider the delay introduced by the TCP slow-start phase. Consider a client and a Web server directly connected by one link of rate R. Suppose the client wants to retrieve an object whose size is exactly equal to 15 S, where S is the maximum segment size (MSS). Denote the round-trip time between client and server as RTT (assumed to be constant). Ignoring protocol headers. determine the time to retrieve the object (including TCP connection establishment) when
a. 4 SIR> SIR + RTT > 2SIR
b. SIR + RTT> 4 SIR
c. SIR> RTT.