<s>
The	O
Hybrid	B-Protocol
Wireless	I-Protocol
Mesh	I-Protocol
Protocol	I-Protocol
(	O
HWMP	O
)	O
,	O
part	O
of	O
IEEE	O
802.11s	O
,	O
is	O
a	O
basic	O
routing	O
protocol	O
for	O
a	O
wireless	O
mesh	O
network	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
AODV	B-Device
(	O
RFC	O
3561	O
)	O
and	O
tree-based	O
routing	O
.	O
</s>
<s>
If	O
any	O
of	O
these	O
are	O
connected	O
to	O
a	O
wired	O
backhaul	B-General_Concept
,	O
there	O
is	O
no	O
need	O
for	O
HWMP	O
,	O
which	O
selects	O
paths	O
from	O
those	O
assembled	O
by	O
compiling	O
all	O
mesh	O
point	O
peers	O
into	O
one	O
composite	O
map	O
.	O
</s>
<s>
The	O
HWMP	O
protocol	O
is	O
hybrid	O
,	O
because	O
it	O
consists	O
of	O
a	O
proactive	O
tree-based	O
hierarchical	O
routing	O
protocol	O
,	O
and	O
an	O
on-demand	O
logic	O
,	O
based	O
on	O
the	O
Ad-hoc	O
On	O
Demand	O
Vector	O
protocol	O
(	O
AODV	B-Device
)	O
.	O
</s>
<s>
The	O
open	O
source	O
implementation	O
of	O
802.11s	O
(	O
open80211s	O
)	O
has	O
been	O
integrated	O
to	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
by	O
Cozybit	O
Inc	O
.	O
FreeBSD	B-Operating_System
supports	O
HWMP	O
starting	O
with	O
FreeBSD	B-Operating_System
8.0	O
.	O
</s>
