GATE Computer Science (CS) 2020 Solved Papers

Question : 37 of 65

Marks: +1, -0

Consider a TCP connection between a client and a server with the following specifications: the round trip time is 6 ms, the size of the receiver advert window is 50 KB, slow-start threshold at the client is 32 KB, and the maximum segment size is 2 KB. The connection is established at time t = 0. Assume that there are no timeouts and errors during transmission. Then the size of the congestion window (in KB) at time t + 60 ms after all acknowledgements processed is _______

Your Answer:

Validate

Solution:

TCP connections at t = 0
1MSS = 2KB Threshold = 32KB (slow start)
RTT = 6ms. Then how big packet it (packet size) may deliver after t + 60 ms

1 {RTT}=6 {ms}

⇒ 10 {RTT}=60 {ms}

{t}+60=0+60=60 {ms}

60 {ms}, {CWND}=22 {MSS}

1 {MSS}=2 {KB}

⇒ 22 {MSS}=22 × 22=44 {KB}

Go to Question:

Prev Question

Next Question