<s>
Miredo	B-Protocol
is	O
a	O
Teredo	B-Protocol
tunneling	I-Protocol
client	O
designed	O
to	O
allow	O
full	O
IPv6	B-Protocol
connectivity	O
to	O
computer	O
systems	O
which	O
are	O
on	O
the	O
IPv4-based	O
Internet	O
but	O
which	O
have	O
no	O
direct	O
native	O
connection	O
to	O
an	O
IPv6	B-Protocol
network	O
.	O
</s>
<s>
Miredo	B-Protocol
is	O
included	O
in	O
many	O
Linux	B-Application
and	O
BSD	B-Operating_System
distributions	O
and	O
is	O
also	O
available	O
for	O
recent	O
versions	O
of	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
Released	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
,	O
Miredo	B-Protocol
is	O
free	B-Application
software	I-Application
.	O
</s>
