<s>
A	O
wait-listing	O
service	O
(	O
WLS	O
)	O
provided	O
by	O
a	O
domain	B-Protocol
name	I-Protocol
registry	I-Protocol
provides	O
the	O
ability	O
to	O
option	O
a	O
domain	O
name	O
that	O
is	O
already	O
registered	O
.	O
</s>
<s>
A	O
move	O
to	O
introduce	O
this	O
service	O
by	O
ICANN-accredited	O
registries	O
drew	O
fire	O
in	O
2003	O
as	O
anti-competitive	O
.	O
</s>
<s>
Currently	O
domain	B-Application
name	I-Application
registrars	I-Application
provide	O
a	O
similar	O
,	O
non-guaranteed	O
service	O
by	O
continually	O
querying	O
the	O
registry	O
if	O
a	O
domain	O
name	O
is	O
available	O
.	O
</s>
