<s>
The	O
Suzuki	B-Operating_System
–	I-Operating_System
Kasami	I-Operating_System
algorithm	I-Operating_System
is	O
a	O
token-based	O
algorithm	O
for	O
achieving	O
mutual	B-Operating_System
exclusion	I-Operating_System
in	O
distributed	B-Architecture
systems	I-Architecture
.	O
</s>
<s>
The	O
process	O
holding	O
the	O
token	O
is	O
the	O
only	O
process	O
able	O
to	O
enter	O
its	O
critical	B-Operating_System
section	I-Operating_System
.	O
</s>
<s>
This	O
is	O
a	O
modification	O
to	O
Ricart	B-Operating_System
–	I-Operating_System
Agrawala	I-Operating_System
algorithm	I-Operating_System
in	O
which	O
a	O
REQUEST	O
and	O
REPLY	O
message	O
are	O
used	O
for	O
attaining	O
the	O
critical	B-Operating_System
section	I-Operating_System
,	O
but	O
in	O
this	O
algorithm	O
,	O
a	O
method	O
was	O
introduced	O
in	O
which	O
a	O
seniority	O
vise	O
and	O
also	O
by	O
handing	O
over	O
the	O
critical	B-Operating_System
section	I-Operating_System
to	O
other	O
node	O
by	O
sending	O
a	O
single	O
PRIVILEGE	O
message	O
to	O
other	O
node	O
.	O
</s>
<s>
So	O
,	O
the	O
node	O
which	O
has	O
the	O
privilege	O
it	O
can	O
use	O
the	O
critical	B-Operating_System
section	I-Operating_System
and	O
if	O
it	O
does	O
not	O
have	O
one	O
it	O
cannot	O
.	O
</s>
<s>
If	O
a	O
process	O
wants	O
to	O
enter	O
its	O
critical	B-Operating_System
section	I-Operating_System
and	O
it	O
does	O
not	O
have	O
the	O
token	O
,	O
it	O
broadcasts	O
a	O
request	O
message	O
to	O
all	O
other	O
processes	O
in	O
the	O
system	O
.	O
</s>
<s>
The	O
process	O
that	O
has	O
the	O
token	O
,	O
if	O
it	O
is	O
not	O
currently	O
in	O
a	O
critical	B-Operating_System
section	I-Operating_System
,	O
will	O
then	O
send	O
the	O
token	O
to	O
the	O
requesting	O
process	O
.	O
</s>
