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How to calculate window size in Stop and Wait, Select and Repeat, GBN.

Some where I have seen window size as w = 1+2a

where a = PT/TT.

and some where it is calculated as:

if we have

RTT = 160msec

BW = 256 Kbps

Data size  = 64Bytes

then window size as

[160 * 10^(-3) * 256 * 10^(3)]/(64 * 8)

which one to follow.

And how to calculate Throughput and Efficiency ib all three protocol u can take above configuration to derive result.

Please explian it.

1 Answer

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this is how to find efficiency,throughput and window size

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