<s>
A	O
security	B-Protocol
domain	I-Protocol
is	O
the	O
determining	O
factor	O
in	O
the	O
classification	O
of	O
an	O
enclave	O
of	O
servers/computers	O
.	O
</s>
<s>
A	O
network	O
with	O
a	O
different	O
security	B-Protocol
domain	I-Protocol
is	O
kept	O
separate	O
from	O
other	O
networks	O
.	O
</s>
<s>
For	O
example	O
,	O
NIPRNet	B-General_Concept
,	O
SIPRNet	O
,	O
JWICS	B-General_Concept
,	O
and	O
NSANet	O
are	O
all	O
kept	O
separate	O
.	O
</s>
<s>
A	O
security	B-Protocol
domain	I-Protocol
is	O
considered	O
to	O
be	O
an	O
application	O
or	O
collection	O
of	O
applications	O
that	O
all	O
trust	O
a	O
common	O
security	O
token	O
for	O
authentication	O
,	O
authorization	O
or	O
session	O
management	O
.	O
</s>
<s>
Generally	O
speaking	O
,	O
a	O
security	O
token	O
is	O
issued	O
to	O
a	O
user	O
after	O
the	O
user	O
has	O
actively	O
authenticated	O
with	O
a	O
user	O
ID	O
and	O
password	O
to	O
the	O
security	B-Protocol
domain	I-Protocol
.	O
</s>
<s>
Examples	O
of	O
a	O
security	B-Protocol
domain	I-Protocol
include	O
:	O
</s>
<s>
In	O
an	O
identity	O
federation	O
that	O
spans	O
two	O
different	O
organizations	O
that	O
share	O
a	O
business	O
partner	O
,	O
customer	O
or	O
business	O
process	O
outsourcing	O
relation	O
–	O
a	O
partner	O
domain	O
would	O
be	O
another	O
security	B-Protocol
domain	I-Protocol
with	O
which	O
users	O
and	O
applications	O
(	O
from	O
the	O
local	O
security	B-Protocol
domain	I-Protocol
)	O
interact	O
.	O
</s>
