<s>
IBM	O
Reliable	O
Scalable	O
Cluster	O
Technology	O
(	O
RSCT	B-Operating_System
)	O
is	O
a	O
set	O
of	O
software	O
components	O
that	O
together	O
provide	O
a	O
comprehensive	O
clustering	O
environment	O
for	O
AIX	O
,	O
Linux	O
,	O
Solaris	O
,	O
and	O
Windows	O
operating	O
systems	O
.	O
</s>
<s>
RSCT	B-Operating_System
is	O
the	O
infrastructure	O
used	O
by	O
a	O
variety	O
of	O
IBM	O
products	O
to	O
provide	O
clusters	O
with	O
improved	O
system	O
availability	O
,	O
scalability	O
,	O
and	O
ease	O
of	O
use	O
.	O
</s>
<s>
It	O
follows	O
a	O
list	O
of	O
main	O
RSCT	B-Operating_System
components	O
:	O
</s>
<s>
This	O
is	O
the	O
scalable	O
,	O
reliable	O
backbone	O
of	O
RSCT	B-Operating_System
.	O
</s>
<s>
It	O
is	O
used	O
for	O
HMC	B-Device
DLPAR	B-Device
,	O
sfp	O
,	O
invscout	O
...	O
</s>
<s>
the	O
RSCT	B-Operating_System
core	O
resource	O
managers	O
.	O
</s>
<s>
the	O
RSCT	B-Operating_System
cluster	O
security	O
services	O
,	O
which	O
provide	O
the	O
security	O
infrastructure	O
that	O
enables	O
RSCT	B-Operating_System
components	O
to	O
authenticate	O
the	O
identity	O
of	O
other	O
parties	O
.	O
</s>
<s>
The	O
set	O
of	O
nodes	O
that	O
is	O
configured	O
for	O
high	O
availability	O
is	O
called	O
an	O
RSCT	B-Operating_System
peer	O
domain	O
of	O
your	O
cluster	O
.	O
</s>
<s>
In	O
order	O
to	O
understand	O
how	O
the	O
various	O
RSCT	B-Operating_System
components	O
are	O
used	O
in	O
a	O
cluster	O
,	O
be	O
aware	O
that	O
nodes	O
of	O
a	O
cluster	O
can	O
be	O
configured	O
for	O
manageability	O
,	O
high	O
availability	O
or	O
both	O
.	O
</s>
