<s>
The	O
Seamoby	B-Protocol
Candidate	O
Access	O
Router	B-Protocol
Discovery	O
,	O
or	O
CARD	O
,	O
is	O
an	O
experimental	O
protocol	O
outlined	O
by	O
RFC	O
4065	O
and	O
RFC	O
4066	O
.	O
</s>
<s>
The	O
protocol	O
is	O
designed	O
to	O
speed	O
up	O
the	O
hand	O
over	O
of	O
IP	B-Protocol
devices	O
between	O
wireless	O
access	O
routers	B-Protocol
.	O
</s>
<s>
The	O
protocol	O
defines	O
a	O
mechanism	O
that	O
can	O
be	O
used	O
by	O
an	O
access	O
router	B-Protocol
to	O
automatically	O
discover	O
its	O
neighbor	O
with	O
help	O
of	O
mobile	O
devices	O
.	O
</s>
<s>
Based	O
on	O
some	O
trigger	O
,	O
mobile	O
devices	O
scan	O
for	O
a	O
neighbor	O
access	O
points	O
and	O
report	O
list	O
of	O
newly	O
found	O
access	O
point	O
identifiers	O
to	O
the	O
connected	O
access	O
router	B-Protocol
.	O
</s>
<s>
The	O
connected	O
access	O
router	B-Protocol
performs	O
reverse	O
look	O
up	O
using	O
AP	O
id(s )	O
to	O
identify	O
the	O
candidate	O
access	O
routers	B-Protocol
that	O
are	O
connected	O
to	O
the	O
newfound	O
access	O
points	O
.	O
</s>
<s>
The	O
connected	O
access	O
router	B-Protocol
updates	O
its	O
neighbor	O
list	O
with	O
IP	B-Protocol
address	O
and	O
capability	O
of	O
newly	O
found	O
access	O
routers	B-Protocol
.	O
</s>
