Thomas Kunz
Systems and Computer Engineering
345
Delayed Acknowledgements
nAn ack is delayed until
–another
packet is received, or
–delayed
ack timer expires (200 ms typical)
nReduces ack traffic
40
39
37
38
35
33
41
40
38
39
35
37
New
ack not produced
on
receipt of packet 36,
but
on receipt of 37