<s>
Kea	B-Protocol
is	O
an	O
open-source	O
DHCP	B-Protocol
server	I-Protocol
developed	O
by	O
the	O
Internet	O
Systems	O
Consortium	O
,	O
authors	O
of	O
ISC	B-Protocol
DHCP	I-Protocol
,	O
also	O
known	O
as	O
DHCPd	B-Protocol
.	O
</s>
<s>
Kea	B-Protocol
and	O
ISC	B-Protocol
DHCP	I-Protocol
are	O
both	O
implementations	O
of	O
the	O
Dynamic	B-Protocol
Host	I-Protocol
Configuration	I-Protocol
Protocol	I-Protocol
,	O
a	O
set	O
of	O
standards	O
established	O
by	O
the	O
Internet	O
Engineering	O
Task	O
Force	O
(	O
IETF	O
)	O
.	O
</s>
<s>
Kea	B-Protocol
software	O
is	O
distributed	O
in	O
source	O
code	O
form	O
on	O
GitHub	O
,	O
from	O
various	O
ISC	O
sites	O
,	O
and	O
through	O
a	O
number	O
of	O
operating	O
system	O
packages	O
.	O
</s>
<s>
Kea	B-Protocol
is	O
licensed	O
under	O
the	O
Mozilla	B-License
Public	I-License
License	I-License
2.0	I-License
.	O
</s>
<s>
The	O
Kea	B-Protocol
distribution	O
includes	O
a	O
DHCPv4	B-Protocol
server	O
,	O
a	O
DHCPv6	B-Protocol
server	O
,	O
and	O
a	O
Dynamic	B-Protocol
DNS	I-Protocol
(	O
DDNS	B-Protocol
)	O
server	O
.	O
</s>
<s>
Significant	O
features	O
include	O
:	O
support	O
for	O
IPv6	B-Protocol
prefix	I-Protocol
delegation	I-Protocol
,	O
host	O
reservations	O
(	O
which	O
may	O
be	O
optionally	O
stored	O
in	O
a	O
separate	O
back	O
end	O
database	O
)	O
,	O
Preboot	B-Device
Execution	I-Device
Environment	I-Device
(	O
PXE	O
)	O
boot	O
,	O
client	O
classification	O
,	O
shared	O
networks	O
,	O
and	O
high-availability	O
(	O
failover	O
pairs	O
)	O
.	O
</s>
<s>
Kea	B-Protocol
can	O
store	O
leases	O
locally	O
in	O
a	O
memfile	O
,	O
or	O
in	O
a	O
PostgreSQL	B-Application
,	O
MySQL	B-Application
,	O
or	O
Cassandra	O
database	O
.	O
</s>
<s>
Kea	B-Protocol
has	O
a	O
supported	O
API	O
for	O
writing	O
optional	O
extensions	O
,	O
using	O
'	O
hooks	O
 '	O
.	O
</s>
<s>
Kea	B-Protocol
has	O
a	O
graphical	O
management	O
application	O
,	O
called	O
,	O
that	O
integrates	O
an	O
agent	O
running	O
on	O
the	O
Kea	B-Protocol
server	O
,	O
an	O
exporter	O
to	O
a	O
Prometheus	O
time-series	O
data	O
store	O
,	O
a	O
Grafana	O
template	O
for	O
data	O
visualization	O
,	O
and	O
the	O
Stork	O
web	O
dashboard	O
.	O
</s>
<s>
Like	O
Kea	B-Protocol
,	O
Stork	O
is	O
licensed	O
under	O
the	O
MPL	B-License
2.0	I-License
license	O
.	O
</s>
<s>
The	O
Stork	O
dashboard	O
provides	O
a	O
simple	O
graphical	O
display	O
for	O
managing	O
one	O
or	O
many	O
Kea	B-Protocol
servers	O
.	O
</s>
<s>
Via	O
the	O
integration	O
with	O
Grafana	O
it	O
also	O
provides	O
detailed	O
statistics	O
on	O
DHCP	B-Protocol
messages	O
over	O
time	O
.	O
</s>
