<s>
The	O
Link-Local	B-Protocol
Multicast	I-Protocol
Name	I-Protocol
Resolution	I-Protocol
(	O
LLMNR	B-Protocol
)	O
is	O
a	O
protocol	O
based	O
on	O
the	O
Domain	B-Protocol
Name	I-Protocol
System	I-Protocol
(	O
DNS	B-Protocol
)	O
packet	O
format	O
that	O
allows	O
both	O
IPv4	B-Protocol
and	O
IPv6	B-Protocol
hosts	O
to	O
perform	O
name	O
resolution	O
for	O
hosts	O
on	O
the	O
same	O
local	O
link	O
.	O
</s>
<s>
It	O
is	O
included	O
in	O
Windows	B-Application
Vista	I-Application
,	O
Windows	B-Device
Server	I-Device
2008	I-Device
,	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Application
8	I-Application
and	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
It	O
is	O
also	O
implemented	O
by	O
systemd-resolved	B-Application
on	O
Linux	O
.	O
</s>
<s>
LLMNR	B-Protocol
is	O
defined	O
in	O
RFC	O
4795	O
but	O
was	O
not	O
adopted	O
as	O
an	O
IETF	O
standard	O
.	O
</s>
<s>
As	O
of	O
April	O
2022	O
,	O
Microsoft	O
has	O
begun	O
the	O
process	O
of	O
phasing	O
out	O
both	O
LLMNR	B-Protocol
and	O
NetBIOS	B-Protocol
name	O
resolution	O
in	O
favour	O
of	O
mDNS	B-Protocol
.	O
</s>
<s>
In	O
responding	O
to	O
queries	O
,	O
responders	O
listen	O
on	O
UDP	B-Protocol
port	O
5355	O
on	O
the	O
following	O
link-scope	O
Multicast	B-Protocol
address	I-Protocol
:	O
</s>
<s>
The	O
responders	O
also	O
listen	O
on	O
TCP	B-Protocol
port	O
5355	O
on	O
the	O
unicast	B-Protocol
address	I-Protocol
that	O
the	O
host	O
uses	O
to	O
respond	O
to	O
queries	O
.	O
</s>
<s>
Future	O
specifications	O
may	O
define	O
the	O
use	O
of	O
other	O
opcodes	O
with	O
LLMNR	B-Protocol
.	O
</s>
