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1 votes
1 votes
Window size: 3

Every 3rd packet get lost.

Total packet to send: 7

What would be total no. Of transmission? Use selective repeat

2 Answers

0 votes
0 votes
1

2

3 lost:but in selective repeat no need to send lost packet immediately

4

5

6 lost

7

4

6 again lost

6

Total transmission =10
0 votes
0 votes

Selective Repeat:

1

3(lost),

4,

5,

3(resend & lost),

6,

7,

3(resend & lost),

3

Total = 10 time transmission done.

Sequence:  123453’673’3’ {where 3’ – Retransmitted]

 

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