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Recent questions tagged congestion-control
2
votes
2
answers
61
slow start
Suppose TCP's additive increase and multiplicative decrease algorithm is used as a congestion control algorithm. The slow start phase begins with 4 MSS and threshold at start of first transmission is 16 MSS. Assume that a time-out occurs during 6 th transmission ... ://gateoverflow.in/2156/gate2012_45 I'm not satisfied with the answer here. Shouldn't it start with 1 MSS again?
Warlock lord
asked
in
Computer Networks
Jan 16, 2018
by
Warlock lord
605
views
congestion-control
sliding-window
2
votes
1
answer
62
Ack Duplicacy in TCP
After receiving 3 duplicate ACKs sender will go to slow start phase or congestion avoidance? Somewhere, I read that, 3 duplicacy means the weak-possibility of congestion. When does global timer expire?
Shubhanshu
asked
in
Computer Networks
Jan 16, 2018
by
Shubhanshu
843
views
computer-networks
tcp
congestion-control
3
votes
1
answer
63
Test Series
Say the receiver host B, has a buffer size of 4500 bytes and 1500 bytes of received and unprocessed data. If the value of congestion window is 3500 bytes then what will be the size of the window for sender host A?( Marks: -0.33 ) 3500 B 4500 ... 3000B as congestion window is 3500 B and receiver window is 4500-1500 = 3000B Can anyone please explain it in details about congestion window?
ankit_thawal
asked
in
Computer Networks
Jan 15, 2018
by
ankit_thawal
735
views
tcp
congestion-control
2
votes
0
answers
64
MadeEasy Test Series 2018: Computer Networks - Congestion Control
charul
asked
in
Computer Networks
Jan 13, 2018
by
charul
660
views
computer-networks
congestion-control
madeeasy-testseries-2018
made-easy-test-series
3
votes
1
answer
65
TCP Congestion Control
Consider an instance of TCP’s Additive Increase Multiplicative Decrease (AIMD) algorithm where the window size at the start of slow start phase is 2 KB and the threshold at the start of first transmission is 24 KB. Assume that 3 duplicate ACK are received during the 5th transmission what is the congestion window size at the end of 10th transmission?
VS
asked
in
Computer Networks
Jan 6, 2018
by
VS
1.3k
views
computer-networks
congestion-control
1
vote
1
answer
66
MadeEasy Test Series: Computer Networks - Congestion Control
Assume a scenario where the size of congestion window of a TCP connection be 40 KB when a timeout occurs. The maximum segment size (MSS) be 2 KB. Let the propagation delay be 200 msec. The time taken by the TCP connection to get ... . I think answer should be 5600. But 6000 is given. They have added the last RTT also. Will it be added?
Rishabh Gupta 2
asked
in
Computer Networks
Jan 5, 2018
by
Rishabh Gupta 2
1.2k
views
computer-networks
congestion-control
made-easy-test-series
sliding-window
–1
vote
1
answer
67
MadeEasy Test Series: Computer Networks - Congestion Control
Assume a scenario where the size of congestion window of a TCP connection be 40 KB when a timeout occurs. The maximum segment size (MSS) be 2 KB. Let the propagation delay be 200 msec. The time taken by the TCP connection to get back to 40 KB congestion window is _________ msec.
ashish pal
asked
in
Computer Networks
Jan 3, 2018
by
ashish pal
287
views
made-easy-test-series
computer-networks
congestion-control
2
votes
1
answer
68
MadeEasy Test Series: Computer Networks - Congestion Control
. 63 Consider an instance of TCP's Additive Increase Multiplicative Decrease (AIMD) algorithm where the window size at the start of slow start phase is 2 MSS and the threshold at the start is 1st transmission is 16 MSS. Assume ... after transmission of 7th packet . The congestion window size at the end of 14 RTT is _________ (in MSS).
sunita24
asked
in
Computer Networks
Dec 31, 2017
by
sunita24
365
views
computer-networks
made-easy-test-series
congestion-control
1
vote
1
answer
69
MadeEasy Test Series 2017: Computer Networks - Congestion Control
Let the size of congestion window of a TCP connection be 38 KB when a timeout occurs. The propagation time of the connection is 100 msec and the maximum segment size used is 2 KB. The time taken (in msec) by the TCP connection to get back to 36 KB congestion window is ________.
rahul sharma 5
asked
in
Computer Networks
Dec 30, 2017
by
rahul sharma 5
835
views
made-easy-test-series
computer-networks
congestion-control
madeeasy-testseries-2017
1
vote
0
answers
70
Is load distributed uniformly?
The answer given is 2 and 3. How 2nd points favor the departure of throughput from the ideal state? Thank you..!!
Hemant Parihar
asked
in
Computer Networks
Dec 28, 2017
by
Hemant Parihar
266
views
computer-networks
congestion-control
1
vote
0
answers
71
Ace Test Series: Computer Networks - Congestion Control
Akshay Koli 4
asked
in
Computer Networks
Dec 27, 2017
by
Akshay Koli 4
389
views
ace-test-series
computer-networks
congestion-control
1
vote
1
answer
72
Congestion Control
Please Confirm whether 10 MSS is correct or not ?
ankitgupta.1729
asked
in
Computer Networks
Dec 20, 2017
by
ankitgupta.1729
653
views
computer-networks
congestion-control
tcp
0
votes
0
answers
73
Confusion in #RTTs : Slow start-first full window
Suppose, size of a full window is 24 Kb. There is no congestion. 1 MSS = 2 Kb. RTT = 10 ms How long does it take to send the first full window? Approach 1) 2 | 4 | 8 | 16 | 24 = 4 RTTs =4 * 10 ms = 40ms Approach 2) 2 | 4 | 8 | 16 | 24 | = 5 RTTs = 5 * 10 ms = 50ms Which approach is correct?
Tuhin Dutta
asked
in
Computer Networks
Dec 19, 2017
by
Tuhin Dutta
430
views
computer-networks
congestion-control
sliding-window
2
votes
4
answers
74
TCP-congestion control
Assume a scenario where the size of congestion window of a TCP connection be 40 KB when a timeout occurs. The maximum segment size (MSS) be 2 KB. Let the propagation delay be 200 msec. The time taken by the TCP connection to get back to 40 ... is 6000msec.I am taking MSS as 2KB.ls someone explain NOTE:same question also asked here https://gateoverflow.in/1794/gate2014-1-27
set2018
asked
in
Computer Networks
Dec 7, 2017
by
set2018
3.5k
views
computer-networks
congestion-control
4
votes
0
answers
75
Computer Network: Network Congestion
For a host machine that uses the Token Bucket Algorithm for congestion control, the token bucket has a capacity of 1MB and the maximum output rate is 10MBPS, Tokens arrive at a rate to sustain output at a rate of 5MBPS. The token bucket is currently full and the machine ... sent = 8/5 = 1.6 seconds Total time to send 10 MB = 1.6 + 2 = 1.8 Seconds ( correct?)
Manu Thakur
asked
in
Computer Networks
Dec 3, 2017
by
Manu Thakur
768
views
computer-networks
congestion-control
1
vote
2
answers
76
Test series
Consider the effect of using slow start on a line with 10 msec round trip time. The receiver window and the size of congestion window are set to 38 KB and 36 KB respectively. Sender side threshold is set to 18 KB. After 8 transmission a time-out occurs, after time ... (in msec). Assume window size at the start of slow start phase is 2 KB ans 70 msec ....explain if anyone can?
Chirag arora
asked
in
Computer Networks
Nov 21, 2017
by
Chirag arora
841
views
congestion-control
2
votes
1
answer
77
computer network
plz anyone explain me the formula of token bucket algo given below:- According to the token bucket algorithm, the minimum time required to send data or the maximum rate of data transmission is given by: S = C / (M - P) Where, M = Maximum burst rate, P = Rate of arrival of a token, C = capacity of the bucket
Ravi prakash pandey
asked
in
Computer Networks
Nov 11, 2017
by
Ravi prakash pandey
2.8k
views
congestion-control
2
votes
2
answers
78
Congest oSlow start
What is the effective throughput for transferring a 1600 KB file when TCP using slow start congestion control technique. Given round trip time 20 ms and Maximum segment size 800 bytes. Assume there are no packet losses, unlimited bandwidth, and receiver window size. Assume slow start begins initially with a congestion window size of 1. Answer given = 8MBPS.
Shubhanshu
asked
in
Computer Networks
Nov 11, 2017
by
Shubhanshu
930
views
computer-networks
tcp
congestion-control
0
votes
0
answers
79
Computer Networks - Congestion Control
Consider the effect of using slow start on a line with 10 msec round trip time. The receiver window and the size of congestion window are set to 38 KB and 36 KB respectively. Sender side threshold is set to 18 KB. After 8 transmission a time- ... first full window of 18 KB is____________ (in msec). Assume window size at the start of slow start phase is 2 KB.
targate2018
asked
in
Computer Networks
Nov 4, 2017
by
targate2018
440
views
computer-networks
congestion-control
made-easy-test-series
network
2
votes
1
answer
80
MadeEasy Subject Test: Computer Networks - Congestion Control
Assume a scenario where the size of congestion window of a TCP connection be 40 KB when a timeout occurs. The maximum segment size (MSS) be 2 KB. Let the propagation delay be 200 msec. The time taken by the TCP connection to get back to 40 KB congestion window is _________ msec.
Shivi rao
asked
in
Computer Networks
Oct 24, 2017
by
Shivi rao
1.0k
views
made-easy-test-series
computer-networks
congestion-control
tcp
4
votes
2
answers
81
TCP CONGESTION
Can anyone confirm this i iam getting 2800 ms here ?
junaid ahmad
asked
in
Computer Networks
Oct 20, 2017
by
junaid ahmad
474
views
computer-networks
congestion-control
0
votes
1
answer
82
MadeEasy Subject Test: Computer Networks - Congestion Control
rajoramanoj
asked
in
Computer Networks
Sep 27, 2017
by
rajoramanoj
473
views
made-easy-test-series
computer-networks
congestion-control
0
votes
1
answer
83
cogestion window
Sunil8860
asked
in
Computer Networks
Sep 19, 2017
by
Sunil8860
276
views
congestion-control
0
votes
2
answers
84
Token Bucket
A computer on a 10Mbps network is regulated by a token bucket. The token bucket is filled at a rate of 4 Mbps. It is initially filled to capacity with 15 Megabits. How long can the computer transmit at the full 8 Mbps (in seconds) upto two decimal places? a. 3.75 sec b. 3.55 sec c. 4.20 sec d. 3.46 sec
Shubhanshu
asked
in
Computer Networks
Aug 25, 2017
by
Shubhanshu
2.9k
views
token-bucket
congestion-control
computer-networks
5
votes
1
answer
85
Congestion Control
Q1 Let the size of the congestion window of a TCP connection be 64KB when a timeout occurs. The RTT of the connection is 50m sec and maximum segment size is 2 KB. The time taken by the TCP to get back to 64KB congestion window is _________. I am getting difficulty in finding the RTT's of the connection.
Shubhanshu
asked
in
Computer Networks
Aug 23, 2017
by
Shubhanshu
3.0k
views
computer-networks
congestion-control
tcp
5
votes
0
answers
86
Computer Networks: AIMD and Slow Start
Consider a system, where sender sends 50 packets to the receiver, and suppose during the transmission packet no 10, 25, 34, 45 are lost, then calculate the through put(in bits/sec) of the system, using i) AIMD ii) Slow Start 1 RTT = 100ms. Packet size = 1024 B = 1 KB.
Shubhanshu
asked
in
Computer Networks
Aug 18, 2017
by
Shubhanshu
867
views
congestion-control
computer-networks
tcp
3
votes
1
answer
87
CN Slow Start Throughput
R.T.T=10 microsec. M.S.S=100 Bytes Slow start protocol used to send data.Sender needs to send data till it completes sending window size 8MSS.Find:- a. Total Time taken b. Throughput for 1st RTT c. Total Throughput d. Average Throughput
rahul sharma 5
asked
in
Computer Networks
Aug 13, 2017
by
rahul sharma 5
1.1k
views
congestion-control
computer-networks
tcp
3
votes
1
answer
88
# Token Bucket and Leaky Bucket Confusion
What happens in Token Bucket exactly and what happens in Leaky Bucket somebody please explain ?
LavTheRawkstar
asked
in
Computer Networks
Apr 7, 2017
by
LavTheRawkstar
1.9k
views
computer-networks
leaky-bucket
token-bucket
congestion-control
4
votes
4
answers
89
Congestion avoidance in TCP
During Congestion avoidance(Additive Increase) in tcp when 3 duplicate ACKs arrived then during that arrival phase by which algorithm did the sender window adopt increment procedure? a) Sender window uses additive increase b)Sender window uses slow start which option is correct?
Shubham Sharma 2
asked
in
Computer Networks
Feb 19, 2017
by
Shubham Sharma 2
2.5k
views
computer-networks
tcp
congestion-control
0
votes
1
answer
90
pre ladder quiz
Consider the TCP is using slow-start congestion control.After having 10th consecutive transmission failed due to Timeout,the current threshold value is set to 7KB .what was the congestion window size at the time of starting of these transmissions ? assume MSS= 1kb
anonymous
asked
in
Computer Networks
Feb 15, 2017
by
anonymous
573
views
tcp
congestion-control
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