<s>
Cristian	B-Operating_System
's	I-Operating_System
algorithm	I-Operating_System
(	O
introduced	O
by	O
Flaviu	O
Cristian	O
in	O
1989	O
)	O
is	O
a	O
method	O
for	O
clock	O
synchronization	O
which	O
can	O
be	O
used	O
in	O
many	O
fields	O
of	O
distributive	O
computer	O
science	O
but	O
is	O
primarily	O
used	O
in	O
low-latency	O
intranets	B-General_Concept
.	O
</s>
<s>
Cristian	B-Operating_System
's	I-Operating_System
algorithm	I-Operating_System
works	O
between	O
a	O
process	O
P	O
,	O
and	O
a	O
time	B-Protocol
server	I-Protocol
S	O
connected	O
to	O
a	O
time	O
reference	O
source	O
.	O
</s>
