<s>
Karn	B-Protocol
's	I-Protocol
algorithm	I-Protocol
addresses	O
the	O
problem	O
of	O
getting	O
accurate	O
estimates	O
of	O
the	O
round-trip	O
time	O
for	O
messages	O
when	O
using	O
the	O
Transmission	B-Protocol
Control	I-Protocol
Protocol	I-Protocol
(	O
TCP	O
)	O
in	O
computer	B-Architecture
networking	I-Architecture
.	O
</s>
<s>
Karn	B-Protocol
's	I-Protocol
Algorithm	I-Protocol
ignores	O
retransmitted	O
segments	O
when	O
updating	O
the	O
round-trip	O
time	O
estimate	O
.	O
</s>
<s>
This	O
simplistic	O
implementation	O
of	O
Karn	B-Protocol
's	I-Protocol
algorithm	I-Protocol
can	O
lead	O
to	O
problems	O
as	O
well	O
.	O
</s>
<s>
Ideally	O
,	O
Karn	B-Protocol
's	I-Protocol
algorithm	I-Protocol
would	O
not	O
be	O
needed	O
.	O
</s>
