<s>
Intelligent	B-General_Concept
vehicular	I-General_Concept
ad	I-General_Concept
hoc	I-General_Concept
networks	I-General_Concept
(	O
InVANETs	B-General_Concept
)	O
use	O
WiFi	O
IEEE	O
802.11p	O
(	O
WAVE	O
standard	O
)	O
and	O
effective	O
communication	O
between	O
vehicles	O
with	O
dynamic	O
mobility	O
.	O
</s>
<s>
InVANET	B-General_Concept
is	O
not	O
foreseen	O
to	O
replace	O
current	O
mobile	O
(	O
cellular	O
phone	O
)	O
communication	O
standards	O
.	O
</s>
<s>
InVANET	B-General_Concept
can	O
be	O
used	O
as	O
part	O
of	O
automotive	O
electronics	O
,	O
which	O
has	O
to	O
identify	O
an	O
optimally	O
minimal	O
path	O
for	O
navigation	O
with	O
minimal	O
traffic	O
intensity	O
.	O
</s>
<s>
Communication	O
capabilities	O
in	O
vehicles	O
are	O
the	O
basis	O
of	O
an	O
envisioned	O
InVANET	B-General_Concept
or	O
intelligent	O
transportation	O
systems	O
(	O
ITS	O
)	O
.	O
</s>
<s>
Vehicles	O
are	O
enabled	O
to	O
communicate	O
among	O
themselves	O
(	O
vehicle-to-vehicle	B-Device
,	O
V2V	B-Device
)	O
and	O
via	O
roadside	O
access	O
points	O
(	O
vehicle-to-roadside	O
,	O
V2R	O
)	O
also	O
called	O
as	O
Road	O
Side	O
Units	O
(	O
RSUs	O
)	O
.	O
</s>
<s>
The	O
integration	O
of	O
V2V	B-Device
and	O
V2R	O
communication	O
is	O
beneficial	O
because	O
V2R	O
provides	O
better	O
service	O
sparse	O
networks	O
and	O
long-distance	O
communication	O
,	O
whereas	O
V2V	B-Device
enables	O
direct	O
communication	O
for	O
small	O
to	O
medium	O
distances/areas	O
and	O
at	O
locations	O
where	O
roadside	O
access	O
points	O
are	O
not	O
available	O
.	O
</s>
<s>
For	O
communication	O
in	O
vehicular	B-Device
ad	I-Device
hoc	I-Device
networks	I-Device
,	O
position-based	B-Protocol
routing	I-Protocol
has	O
emerged	O
as	O
a	O
promising	O
candidate	O
.	O
</s>
<s>
For	O
Internet	O
access	O
,	O
Mobile	B-Protocol
IPv6	I-Protocol
is	O
a	O
widely	O
accepted	O
solution	O
to	O
provide	O
session	O
continuity	O
and	O
reachability	O
to	O
the	O
Internet	O
for	O
mobile	O
nodes	O
.	O
</s>
<s>
While	O
integrated	O
solutions	O
for	O
usage	O
of	O
Mobile	B-Protocol
IPv6	I-Protocol
in	O
(	O
non-vehicular	O
)	O
mobile	B-General_Concept
ad	I-General_Concept
hoc	I-General_Concept
networks	I-General_Concept
exist	O
,	O
a	O
solution	O
has	O
been	O
proposed	O
that	O
,	O
built	O
upon	O
a	O
Mobile	B-Protocol
IPv6	I-Protocol
proxy-based	O
architecture	O
,	O
selects	O
the	O
optimal	O
communication	O
mode	O
(	O
direct	O
in-vehicle	O
,	O
vehicle	O
–	O
vehicle	O
,	O
and	O
vehicle	O
–	O
roadside	O
communication	O
)	O
and	O
provides	O
dynamic	O
switching	O
between	O
vehicle	O
–	O
vehicle	O
and	O
vehicle	O
–	O
roadside	O
communication	O
mode	O
during	O
a	O
communication	O
session	O
in	O
case	O
that	O
more	O
than	O
one	O
communication	O
mode	O
is	O
simultaneously	O
available	O
.	O
</s>
