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+1 vote
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How is the initial slow-start threshold value (ssthresh) determined for the very first time of data transfer?
asked in Computer Networks by (247 points) | 298 views
–1
@arjun

@gate-keeda
0
it is 1/2 of the window size given.
0
0
@uddipto

Could you provide/refer some good material regarding this?

Please help.
0
i always prefer foruzan /kureose ross book

and NPTEL video lecture is also good
0
If it is not mentioned in the question then no need to calculate threshold window size at the begining but need to calculate threshold when first timeout occur or packet is lost.

2 Answers

0 votes
it is decidec by the minmum of current congestion window of network and receiver window size
answered by Active (1.3k points)
0 votes
First we have to take min[ W(C),W(R) ] where W(C)= capacity of network and W(R)= receiver window size.

Then Threshold will be 1/2(min of these two).

Now let sender window size=16 and Threshold turn out to be 8.

1,2,4,8,9,10,11,12,13,14,15,16,16,16,16,16.....
answered by (49 points)


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