<s>
The	O
Babel	B-Protocol
routing	B-Protocol
protocol	I-Protocol
is	O
a	O
distance-vector	B-Protocol
routing	I-Protocol
protocol	I-Protocol
for	O
Internet	B-Protocol
Protocol	I-Protocol
packet-switched	B-Protocol
networks	I-Protocol
that	O
is	O
designed	O
to	O
be	O
robust	O
and	O
efficient	O
on	O
both	O
wireless	O
mesh	O
networks	O
and	O
wired	O
networks	O
.	O
</s>
<s>
Babel	B-Protocol
is	O
described	O
in	O
RFC	O
8966	O
.	O
</s>
<s>
Babel	B-Protocol
is	O
based	O
on	O
the	O
ideas	O
in	O
Destination-Sequenced	B-Protocol
Distance	I-Protocol
Vector	I-Protocol
routing	I-Protocol
(	O
DSDV	B-Protocol
)	O
,	O
Ad	B-Device
hoc	I-Device
On-Demand	I-Device
Distance	I-Device
Vector	I-Device
Routing	I-Device
(	O
AODV	B-Device
)	O
,	O
and	O
Cisco	O
's	O
Enhanced	B-Protocol
Interior	I-Protocol
Gateway	I-Protocol
Routing	I-Protocol
Protocol	I-Protocol
(	O
EIGRP	B-Protocol
)	O
,	O
but	O
uses	O
different	O
techniques	O
for	O
loop	O
avoidance	O
.	O
</s>
<s>
Babel	B-Protocol
has	O
provisions	O
for	O
using	O
multiple	O
dynamically	O
computed	O
metrics	O
;	O
by	O
default	O
,	O
it	O
uses	O
hop-count	O
on	O
wired	O
networks	O
and	O
a	O
variant	O
of	O
expected	B-Protocol
transmission	I-Protocol
count	I-Protocol
on	O
wireless	O
links	O
,	O
but	O
can	O
be	O
configured	O
to	O
take	O
radio	O
diversity	O
into	O
account	O
or	O
to	O
automatically	O
compute	O
a	O
link	O
's	O
latency	O
and	O
include	O
it	O
in	O
the	O
metric	O
.	O
</s>
<s>
Babel	B-Protocol
operates	O
on	O
IPv4	B-Protocol
and	O
IPv6	B-Protocol
networks	O
.	O
</s>
<s>
In	O
October	O
2015	O
,	O
Babel	B-Protocol
was	O
chosen	O
as	O
the	O
mandatory-to-implement	O
protocol	O
by	O
the	O
IETF	O
Homenet	O
working	O
group	O
,	O
albeit	O
on	O
an	O
Experimental	O
basis	O
.	O
</s>
<s>
In	O
June	O
2016	O
,	O
an	O
IETF	O
working	O
group	O
was	O
created	O
whose	O
main	O
goal	O
is	O
to	O
produce	O
a	O
standard	O
version	O
of	O
Babel	B-Protocol
.	O
</s>
<s>
In	O
January	O
2021	O
,	O
the	O
working	O
group	O
produced	O
a	O
standard	O
version	O
of	O
Babel	B-Protocol
,	O
then	O
proceeded	O
to	O
publish	O
a	O
number	O
of	O
extensions	O
,	O
including	O
for	O
authentication	O
,	O
source-specific	B-Protocol
routing	I-Protocol
,	O
and	O
routing	O
of	O
IPv4	B-Protocol
through	O
IPv6	B-Protocol
routers	O
.	O
</s>
<s>
Several	O
implementations	O
of	O
Babel	B-Protocol
are	O
freely	O
available	O
:	O
</s>
<s>
A	O
version	O
integrated	O
into	O
the	O
routing	O
suite	O
(	O
previously	O
Quagga	B-Protocol
,	O
from	O
which	O
Babel	B-Protocol
has	O
been	O
removed	O
)	O
.	O
</s>
<s>
Both	O
BIRD	B-Protocol
and	O
the	O
reference	O
version	O
have	O
support	O
for	O
Source-specific	B-Protocol
routing	I-Protocol
and	O
for	O
cryptographic	O
authentication	O
.	O
</s>
