Recent questions tagged congestion-control

16 16 votes
4 4 answers
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Consider a new TCP connection between a sender and a receiver. The receiver advertised window is constant at $48$ KB, the maximum segment size (MSS) is $2$ KB, and the sl...
11 11 votes
3 3 answers
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A TCP sender successfully establishes a connection with a TCP receiver and starts the transmission of segments. The TCP congestion control mechanism's slow-start threshol...
2 2 votes
1 1 answer
666
666 views
TCP successfully establishes a connection with a receiver and starts the transmission of segments. The TCP congestion control mechanism's slow start threshold is set to $...
2 2 votes
1 1 answer
426
426 views
Suppose two hosts use a TCP connection to transfer a large file.Which of the following statements is/are FALSE with respect to the TCP Congestion Control Algorithm? I. Co...
3 3 votes
1 answers 1 answer
461
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1 1 vote
1 1 answer
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320 views
The packet sent by a node to the source to inform it of congestion is calledExplicitBackpressureChokeRetransmission
1 1 vote
1 1 answer
289
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What happens in $\text{TCP}$ when congestion is detected in the network?The sender reduces its congestion windowThe sender increases its congestion windowThe receiver sen...
1 1 vote
0 0 answers
353
353 views
Consider the TCP Congestion Avoidance (CA) phase. Let the current size of the congestion window be CWND bytes, and the maximum segment size be MSS bytes. How many bytes s...
0 0 votes
1 1 answer
551
551 views
Source: Forouzan Page 771Congestion Avoidance Algorithm:In this algorithm, each time the whole window of segments is acknowledged (one round), the size of the congestion ...
0 0 votes
2 2 answers
987
987 views
if a reciever window size is 16000 bytes and maximuim segment size is 1000 bytes, then after how many RTT sender will send full window?a) 5b)16c) 11d) none of the above
1 1 vote
1 answers 1 answer
772
772 views
Assume a TCP implementation over a 10Gbps link with one way dealy of 80ms if TCP receiver window size is 2MB and TCP send 1KB packet then how many RTT does it take until ...
28 28 votes
4 4 answers
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Consider a $\text{TCP}$ connection operating at a point of time with the congestion window of size $12$ $\text{MSS}$ (Maximum Segment Size), when a timeout occurs due to ...
0 0 votes
1 1 answer
675
675 views
Assume the scenario of AIMD where the size of the congestion window of a TCP connection is 40KB when a timeout occurs, the initial threshold is 38 KB. The MSS is 2KB. At ...
0 0 votes
1 1 answer
545
545 views
The Solution to Silly Window Syndrome problem is/are:Nagle's AlgorithmClark's AlgorithmJacobson's AlgorithmPiggy backing AlgorithmChoose the correct answer from the optio...
1 1 vote
1 1 answer
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Consider the following Statements: Statement I. If there is no congestion, initially, the ssthres (slow start threshold) is set as high as the advertised window siz...
0 0 votes
1 1 answer
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5 5 votes
2 answers 2 answers
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In TCP, MSS is 8B. If during the 6th RTT the network is congested and timeout occurs, by using the congestion algorithm, then the threshold value is _________(in Bytes). ...
4 4 votes
1 answers 1 answer
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Suppose TCP uses congestion control without slow start.The first transmission start with 1 MSS, Assuming cwnd increases by 3 MSS every time a batch of ACKs is received a...
2 2 votes
2 answers 2 answers
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In the TCP connection, the maximum segment size used by the connection is 1000 bytes. What is the congestion window(in bytes) after the 4th transmission and receives acks...
2 2 votes
1 answers 1 answer
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Suppose TCP uses AIMD for its congestion control without slow start. Assuming cwnd increases by 2 MSS every time a batch of ACKs is received and assuming approximately co...
2 2 votes
1 answers 1 answer
974
974 views
Consider the size of the congestion window of a TCP connection be 40 KB when a timeout occurs. The round trip time of the connection is 50 msec and the maximum segment si...
4 4 votes
1 answers 1 answer
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On any given Sunday, Sam initiates a connection with his girlfriend Alice in order to plan out what movie they’re going to watch on Tuesdays with Morrie. This Sunday, imm...
0 0 votes
1 answers 1 answer
915
915 views
Consider the effect of using additive increase multiplicative decrease(AIMD) on a line with propagation delay of 10ms.The receive window is 24KB and the maximum segment s...
0 0 votes
1 answers 1 answer
975
975 views
Consider the effect of using slow start on a line with 12 msec round trip time. The size of the congestion window is set to 40 KB. The sender side threshold is set to 20 ...