<s>
Topology	O
broadcast	O
based	O
on	O
reverse-path	O
forwarding	O
(	O
TBRPF	B-Protocol
)	O
is	O
a	O
link-state	B-Protocol
routing	I-Protocol
protocol	I-Protocol
for	O
wireless	O
mesh	O
networks	O
.	O
</s>
<s>
The	O
obvious	O
design	O
for	O
a	O
wireless	O
link-state	B-Protocol
protocol	I-Protocol
(	O
such	O
as	O
the	O
optimized	B-Protocol
link-state	I-Protocol
routing	I-Protocol
protocol	I-Protocol
)	O
transmits	O
large	O
amounts	O
of	O
routing	O
data	O
,	O
and	O
this	O
limits	O
the	O
utility	O
of	O
a	O
link-state	B-Protocol
protocol	I-Protocol
when	O
the	O
network	O
is	O
made	O
of	O
moving	O
nodes	O
.	O
</s>
<s>
The	O
conventional	O
solution	O
is	O
to	O
use	O
a	O
distance-vector	B-Protocol
routing	I-Protocol
protocol	I-Protocol
such	O
as	O
AODV	B-Device
,	O
which	O
usually	O
transmits	O
no	O
data	O
about	O
routing	O
.	O
</s>
<s>
However	O
,	O
distance-vector	B-Protocol
routing	I-Protocol
requires	O
more	O
time	O
to	O
establish	O
a	O
connection	O
,	O
and	O
the	O
routes	O
are	O
less	O
optimized	O
than	O
a	O
link-state	B-Protocol
router	O
.	O
</s>
<s>
TBRPF	B-Protocol
transmits	O
only	O
the	O
differences	O
between	O
the	O
previous	O
network	O
state	O
and	O
the	O
current	O
network	O
state	O
.	O
</s>
<s>
TBRPF	B-Protocol
is	O
controlled	O
under	O
a	O
US	O
patent	O
filed	O
in	O
December	O
2000	O
and	O
assigned	O
to	O
SRI	O
International	O
(	O
Patent	O
ID	O
6845091	O
,	O
issued	O
January	O
18	O
,	O
2005	O
)	O
.	O
</s>
