<s>
XORP	B-Protocol
is	O
an	O
open-source	B-Application
Internet	B-Protocol
Protocol	I-Protocol
routing	B-Protocol
software	O
suite	O
originally	O
designed	O
at	O
the	O
International	O
Computer	O
Science	O
Institute	O
in	O
Berkeley	O
,	O
California	O
.	O
</s>
<s>
It	O
supports	O
OSPF	B-Protocol
,	O
BGP	B-Protocol
,	O
RIP	O
,	O
PIM	O
,	O
IGMP	B-Protocol
,	O
OLSR	O
.	O
</s>
<s>
In	O
July	O
2008	O
,	O
the	O
International	O
Computer	O
Science	O
Institute	O
transferred	O
the	O
XORP	B-Protocol
technology	O
to	O
a	O
new	O
entity	O
,	O
XORP	B-Protocol
Inc.	O
,	O
a	O
commercial	O
startup	O
founded	O
by	O
the	O
leaders	O
of	O
the	O
opensource	O
project	O
team	O
and	O
backed	O
by	O
Onset	O
Ventures	O
and	O
Highland	O
Capital	O
Partners	O
.	O
</s>
<s>
In	O
February	O
2010	O
,	O
XORP	B-Protocol
Inc	O
.	O
was	O
wound	O
up	O
,	O
a	O
victim	O
of	O
the	O
recession	O
.	O
</s>
<s>
In	O
March	O
2011	O
,	O
Ben	O
Greear	O
became	O
the	O
project	O
maintainer	O
and	O
the	O
www.xorp.org	O
server	O
is	O
now	O
hosted	O
by	O
Candela	O
Technologies	O
.	O
</s>
<s>
The	O
XORP	B-Protocol
codebase	O
consists	O
of	O
around	O
670,000	O
lines	O
of	O
C++	B-Language
and	O
is	O
developed	O
primarily	O
on	O
Linux	B-Application
,	O
but	O
supported	O
on	O
FreeBSD	B-Operating_System
,	O
OpenBSD	B-Operating_System
,	O
DragonFlyBSD	B-Application
,	O
NetBSD	B-Device
.	O
</s>
<s>
Support	O
for	O
XORP	B-Protocol
on	O
Microsoft	B-Application
Windows	I-Application
was	O
recently	O
re-added	O
to	O
the	O
development	O
tree	O
.	O
</s>
<s>
XORP	B-Protocol
is	O
available	O
for	O
download	O
as	O
a	O
Live	O
CD	O
or	O
as	O
source	O
code	O
via	O
the	O
project	O
's	O
homepage	O
.	O
</s>
<s>
The	O
software	O
suite	O
was	O
selected	O
commercially	O
as	O
the	O
routing	B-Protocol
platform	O
for	O
the	O
Vyatta	B-Protocol
line	O
of	O
products	O
in	O
its	O
early	O
releases	O
,	O
but	O
later	O
has	O
been	O
replaced	O
with	O
quagga	B-Protocol
.	O
</s>
<s>
As	O
of	O
2009	O
,	O
the	O
project	O
supports	O
the	O
following	O
routing	B-Protocol
protocols	O
:	O
</s>
<s>
Routing	B-Protocol
Information	I-Protocol
Protocol	I-Protocol
(	O
RIP	O
and	O
RIPng	O
)	O
:	O
</s>
<s>
Border	B-Protocol
Gateway	I-Protocol
Protocol	I-Protocol
:	O
</s>
<s>
Open	B-Protocol
Shortest	I-Protocol
Path	I-Protocol
First	I-Protocol
version	O
2	O
(	O
OSPFv2	B-Protocol
)	O
and	O
version	O
3	O
(	O
OSPFv3	B-Protocol
)	O
:	O
</s>
<s>
IGMP	B-Protocol
v1	O
,	O
v2	O
,	O
and	O
v3	O
:	O
</s>
<s>
Multicast	B-Protocol
Listener	I-Protocol
Discovery	I-Protocol
(	O
MLD	O
v1	O
and	O
v2	O
)	O
:	O
</s>
<s>
Virtual	B-Protocol
Router	I-Protocol
Redundancy	I-Protocol
Protocol	I-Protocol
(	O
VRRP	B-Protocol
v2	O
)	O
:	O
</s>
<s>
XORP	B-Protocol
provides	O
a	O
command	O
line	O
interface	O
for	O
interactive	O
configuration	O
and	O
operation	O
monitoring	O
.	O
</s>
<s>
It	O
interacts	O
via	O
interprocess	B-Operating_System
communication	I-Operating_System
with	O
the	O
router	O
core	O
modules	O
.	O
</s>
<s>
The	O
command	O
line	O
language	O
is	O
modelled	O
after	O
that	O
of	O
Juniper	O
Networks	O
's	O
JunOS	B-Application
platform	O
.	O
</s>
