Tx a b Transmitter: Time instant a: Time instant b: Time instant c: Fo EL RRI F2 Rx e K=3 bits W=6. Assume no transmission evors Time instant d: Receiver: Time instant e: Time instant f: Time instant g: Time instant h: PR3 F4 F5 76 g F6 h

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For a sliding window flow control mechanism, a time-serial interaction between transmitter and receiver is given in the following figure. Please draw the buffer layout of the transmitter and receiver at the marked time instants. Note that the buffer layout refers to the buffer having frames with different sequences, a sliding window covering a certain number of frames and the vertical bar separating the confirmed frames from the unconfirmed ones.
Setup: k=3 bits, maximum window size W = 6. Assume no frames errors.

Tx
a
b
Transmitter:
Time instant a:
Time instant b:
Time instant c:
Fo
EL
RRI
F2
Rx
e
K=3 bits
W=6.
Assume no transmission evors
Time instant d:
Receiver:
Time instant e:
Time instant f:
Time instant g:
Time instant h:
PR3
F4
F5
76
g
F6
h
Transcribed Image Text:Tx a b Transmitter: Time instant a: Time instant b: Time instant c: Fo EL RRI F2 Rx e K=3 bits W=6. Assume no transmission evors Time instant d: Receiver: Time instant e: Time instant f: Time instant g: Time instant h: PR3 F4 F5 76 g F6 h
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