FIll in the chart (edited for more info request) 2. (10 points) Let\'s examine T

Question

FIll in the chart (edited for more info request)

2. (10 points) Let's examine TCP Reno from a closer perspective again. Suppose sender is in its slow start phase. Assume MSS 2000bytes, CongWin 4000bytes, LastByxteACKed 3000, LastBxteent-7000. Assume each of the ACKs acknowledges exactly 1 MSS, or 2000 bytes. Sender always sends the largest allowed number of bytes and each packet the sender sends is exactly of size 1 MSS. Fill up the following chart to show the values of MSS, Cangin LatBtedCked(LBA), LastBvteSentLBS), and RightWallofCangestinllindeu(RightWal) after each of the next 6 ACKs received and new segments sent. Hint: Among the 6 ACKS received, 2 ACKs were received in one RTT and 4 ACKS were received in the next RTT. After ACK MSS LBA LBS st nd 3rd th 5th 2 Use diagrams similar to what I drew on the board in class to justifv your answers above .. Remember, no justificationpoint.

Explanation / Answer

Upon receiving ACK

Increase cwnd by MSS/cwnd

Results in additive increase

Loss implies congestion – why?

Not necessarily true on all link types

If loss occurs when cwnd = W

Network can handle 0.5W ~ W segments

Set cwnd to 0.5W (multiplicative decrease

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