<s>
An	O
Interoperable	B-Protocol
Object	I-Protocol
Reference	I-Protocol
(	O
IOR	O
)	O
is	O
a	O
CORBA	B-Architecture
or	O
RMI-IIOP	B-Language
reference	O
that	O
uniquely	O
identifies	O
an	O
object	O
on	O
a	O
remote	O
CORBA	B-Architecture
server	O
.	O
</s>
<s>
IORs	O
can	O
be	O
transmitted	O
in	O
binary	O
over	O
TCP/IP	B-Protocol
via	O
the	O
General	B-Operating_System
Inter-ORB	I-Operating_System
Protocol	I-Operating_System
(	O
the	O
encoding	O
may	O
be	O
big-endian	O
or	O
little-endian	O
)	O
,	O
or	O
serialized	O
into	O
a	O
string	O
of	O
hexadecimal	O
digits	O
(	O
prefixed	O
by	O
the	O
string	O
IOR	O
:	O
)	O
to	O
facilitate	O
transport	O
by	O
non-CORBA	O
mechanisms	O
such	O
as	O
HTTP	B-Protocol
,	O
FTP	B-Protocol
,	O
and	O
e-mail	O
.	O
</s>
<s>
The	O
codes	O
are	O
assigned	O
by	O
the	O
Object	B-Architecture
Management	I-Architecture
Group	I-Architecture
.	O
</s>
<s>
The	O
typical	O
IOR	O
normally	O
contains	O
the	O
IP	O
address	O
of	O
the	O
remote	O
host	O
,	O
the	O
number	O
of	O
the	O
remote	O
port	O
on	O
that	O
the	O
CORBA	B-Architecture
server	O
is	O
listening	O
,	O
a	O
string	O
defining	O
the	O
class	O
of	O
the	O
remote	O
object	O
on	O
which	O
the	O
methods	O
will	O
be	O
invoked	O
,	O
and	O
the	O
object	O
key	O
that	O
is	O
used	O
by	O
the	O
server	O
ORB	B-General_Concept
to	O
identify	O
the	O
object	O
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
register	O
special	O
objects	O
(	O
IOR	O
interceptors	O
)	O
that	O
can	O
add	O
the	O
needed	O
specific	O
components	O
to	O
the	O
IOR	O
being	O
created	O
by	O
the	O
particular	O
ORB	B-General_Concept
.	O
</s>
