<s>
The	O
Wireless	B-Protocol
Routing	I-Protocol
Protocol	I-Protocol
(	O
WRP	O
)	O
is	O
a	O
proactive	O
unicast	B-Protocol
routing	I-Protocol
protocol	I-Protocol
for	O
mobile	B-Protocol
ad	I-Protocol
hoc	I-Protocol
networks	I-Protocol
(	O
MANETs	O
)	O
.	O
</s>
<s>
WRP	O
uses	O
an	O
enhanced	O
version	O
of	O
the	O
distance-vector	B-Protocol
routing	I-Protocol
protocol	I-Protocol
,	O
which	O
uses	O
the	O
Bellman	B-Algorithm
–	I-Algorithm
Ford	I-Algorithm
algorithm	I-Algorithm
to	O
calculate	O
paths	O
.	O
</s>
<s>
WRP	O
,	O
similar	O
to	O
Destination-Sequenced	B-Protocol
Distance	I-Protocol
Vector	I-Protocol
routing	I-Protocol
(	O
DSDV	B-Protocol
)	O
,	O
inherits	O
the	O
properties	O
of	O
the	O
distributed	O
Bellman	B-Algorithm
–	I-Algorithm
Ford	I-Algorithm
algorithm	I-Algorithm
.	O
</s>
<s>
Since	O
WRP	O
,	O
like	O
DSDV	B-Protocol
,	O
maintains	O
an	O
up-to-date	O
view	O
of	O
the	O
network	O
,	O
every	O
node	O
has	O
a	O
readily	O
available	O
route	O
to	O
every	O
destination	O
node	O
in	O
the	O
network	O
.	O
</s>
<s>
It	O
differs	O
from	O
DSDV	B-Protocol
in	O
table	O
maintenance	O
and	O
in	O
the	O
update	O
procedures	O
.	O
</s>
<s>
While	O
DSDV	B-Protocol
maintains	O
only	O
one	O
topology	O
table	O
,	O
WRP	O
uses	O
a	O
set	O
of	O
tables	O
to	O
maintain	O
more	O
accurate	O
information	O
.	O
</s>
<s>
After	O
receiving	O
an	O
update	O
message	O
,	O
a	O
node	O
not	O
only	O
updates	O
the	O
distance	O
for	O
transmission	O
neighbors	O
but	O
also	O
checks	O
the	O
other	O
neighbors’	O
distance	O
,	O
hence	O
convergence	O
is	O
much	O
faster	O
than	O
DSDV	B-Protocol
.	O
</s>
<s>
(	O
Storing	O
the	O
previous	O
and	O
successive	O
nodes	O
assists	O
in	O
detecting	O
loops	O
and	O
avoiding	O
the	O
counting-to-infinity	O
problem	O
–	O
a	O
shortcoming	O
of	O
Distance	B-Protocol
Vector	I-Protocol
Routing	I-Protocol
.	O
)	O
</s>
<s>
WRP	O
has	O
the	O
same	O
advantage	O
as	O
that	O
of	O
DSDV	B-Protocol
.	O
</s>
<s>
At	O
high	O
mobility	O
,	O
the	O
control	O
overhead	O
involved	O
in	O
updating	O
table	O
entries	O
is	O
almost	O
the	O
same	O
as	O
that	O
of	O
DSDV	B-Protocol
and	O
hence	O
is	O
not	O
suitable	O
for	O
highly	O
dynamic	O
and	O
also	O
for	O
a	O
very	O
large	O
ad	O
hoc	O
wireless	O
network	O
.	O
</s>
<s>
The	O
protocol	O
is	O
not	O
suitable	O
for	O
large	O
mobile	B-Protocol
ad	I-Protocol
hoc	I-Protocol
networks	I-Protocol
as	O
it	O
suffers	O
from	O
limited	O
scalability	O
.	O
</s>
