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émetteur récepteur
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trame(1)
trame(1)
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tem
poris
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ACK(1)
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N+1
N+2
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temps
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N+1 N+1
N+1
N+1 N+1 N+1 N+1
N+2
N+2
N+2 N+2 N+2
N N N N N
N+3
N+3
N+3 N+3 N+3
N+4
N+3
N+2
N+4
N+4
N+4 N+4
N+5
N+5
N+5
T(N) T(N+1) T(N+2) T(N+3) T(N+4) T(N+5)
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récepteur
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tam
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taille de la fenêtre
temps
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Émetteur
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7
6 1
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0
4X
3Y
7
6 1
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0
4 3Y
7
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4X
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7
6 1
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4X
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7
6 1
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7
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(a) (b) (c) (d)
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N+1 N+1
N+1
N+2
N+2
N N+2 N+2
N+3
N+3
N+4
N+4
T(N) T(N+1) T(N+2) T(N+3) T(N+4)
T(N) T(N+2) T(N+3) T(N+4)
ACK(N) ACK(N+2) ACK(N+3) ACK(N+4)
tam
ponsN+1
N+1
N+1
N+2
N+3
N+4
T(N+1)
N+3
N+2
N+3
N+4
N+3
N+4
N+1
T(N+1)
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récepteur
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tam
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temps
N N N
N+1 N+1
N+2
N N+2 N+3
N+3
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ACK(N) ACK(N+2) ACK(N+3)
récepteur
émetteur
tam
pons
N+1
N+3
N+2
N+1
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N N N
N+1 N+1
N+1
N+2
N+2
N
N+3
T(N) T(N+1) T(N+2) T(N+3) T(N+4)
T(N) T(N+2) T(N+3) T(N+4)
ACK(N) NAK(N+1)
N+1
N+2
N+3
N+4
T(N+1)
T(N+1)
perdueTrame(N+1)
N+1
N+3
N+4
N+2
N+4
N+1
N+2
N+3
N+5
N+5
T(N+5)
T(N+5)
N+2 N+2
N+3
N+2
N+3
N+4
N+2
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N+4
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émetteur
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