<s>
IDN.IDN	B-Protocol
is	O
an	O
abbreviation	O
for	O
an	O
Internationalized	B-Language
domain	I-Language
name	I-Language
whose	O
Top	O
level	O
domain	O
(	O
TLD	O
)	O
is	O
also	O
internationalized	O
,	O
which	O
could	O
be	O
transliterated	O
.com	O
,	O
.net	O
,	O
.org	O
,	O
etc	O
.	O
</s>
<s>
IDN.COM	O
vs.	O
IDN.IDN	B-Protocol
,	O
important	O
issue	O
as	O
IDN.COM	O
is	O
already	O
available	O
.	O
</s>
