<s>
Vyatta	B-Protocol
is	O
a	O
software-based	O
virtual	O
router	B-Protocol
,	O
virtual	B-Protocol
firewall	I-Protocol
and	O
VPN	B-Application
products	O
for	O
Internet	B-Protocol
Protocol	I-Protocol
networks	O
(	O
IPv4	B-Protocol
and	O
IPv6	B-Protocol
)	O
.	O
</s>
<s>
A	O
free	O
download	O
of	O
Vyatta	B-Protocol
has	O
been	O
available	O
since	O
March	O
2006	O
.	O
</s>
<s>
The	O
system	O
is	O
a	O
specialized	O
Debian-based	O
Linux	B-Application
distribution	I-Application
with	O
networking	O
applications	O
such	O
as	O
Quagga	B-Protocol
,	O
OpenVPN	B-Language
,	O
and	O
many	O
others	O
.	O
</s>
<s>
A	O
standardized	O
management	O
console	O
,	O
similar	O
to	O
Juniper	B-Application
JUNOS	I-Application
or	O
Cisco	B-Protocol
IOS	I-Protocol
,	O
in	O
addition	O
to	O
a	O
web-based	O
GUI	O
and	O
traditional	O
Linux	O
system	O
commands	O
,	O
provides	O
configuration	O
of	O
the	O
system	O
and	O
applications	O
.	O
</s>
<s>
In	O
recent	O
versions	O
of	O
Vyatta	B-Protocol
,	O
web-based	O
management	O
interface	O
is	O
supplied	O
only	O
in	O
the	O
subscription	O
edition	O
.	O
</s>
<s>
However	O
,	O
all	O
functionality	O
is	O
available	O
through	O
KVM	B-Language
,	O
serial	O
console	O
or	O
SSH/telnet	O
protocols	O
.	O
</s>
<s>
The	O
software	O
runs	O
on	O
standard	O
x86-64	B-Device
servers	O
.	O
</s>
<s>
Vyatta	B-Protocol
is	O
also	O
delivered	O
as	O
a	O
virtual	O
machine	O
file	O
and	O
can	O
provide	O
(	O
,	O
,	O
VPN	B-Application
)	O
functionality	O
for	O
Xen	B-Operating_System
,	O
VMware	O
,	O
KVM	B-Language
,	O
Rackspace	O
,	O
SoftLayer	B-General_Concept
,	O
and	O
Amazon	B-General_Concept
EC2	I-General_Concept
virtual	O
and	O
cloud	O
computing	O
environments	O
.	O
</s>
<s>
As	O
of	O
October	O
,	O
2012	O
,	O
Vyatta	B-Protocol
has	O
also	O
been	O
available	O
through	O
Amazon	O
Marketplace	O
and	O
can	O
be	O
purchased	O
as	O
a	O
service	O
to	O
provide	O
VPN	B-Application
,	O
cloud	O
bridging	O
and	O
other	O
network	O
functions	O
to	O
users	O
of	O
Amazon	O
's	O
AWS	O
services	O
.	O
</s>
<s>
Vyatta	B-Protocol
sells	O
a	O
subscription	O
edition	O
that	O
includes	O
all	O
the	O
functionality	O
of	O
the	O
open	O
source	O
version	O
as	O
well	O
as	O
a	O
graphical	O
user	O
interface	O
,	O
access	O
to	O
Vyatta	B-Protocol
's	O
RESTful	B-Protocol
API	I-Protocol
's	I-Protocol
,	O
Serial	O
Support	O
,	O
TACACS+	B-Protocol
,	O
Config	O
Sync	O
,	O
System	O
Image	O
Cloning	O
,	O
software	O
updates	O
,	O
24x7	O
phone	O
and	O
email	O
technical	O
support	O
,	O
and	O
training	O
.	O
</s>
<s>
Certification	O
as	O
a	O
Vyatta	B-Protocol
Professional	O
is	O
now	O
available	O
.	O
</s>
<s>
Vyatta	B-Protocol
also	O
offers	O
professional	O
services	O
and	O
consulting	O
engagements	O
.	O
</s>
<s>
The	O
Vyatta	B-Protocol
system	O
is	O
intended	O
as	O
a	O
replacement	O
for	O
Cisco	B-Protocol
IOS	I-Protocol
1800	O
through	O
ASR	O
1000	O
series	O
Integrated	O
Services	O
Routers	B-Protocol
(	O
ISR	O
)	O
and	O
ASA	B-Language
5500	I-Language
security	B-Application
appliances	I-Application
,	O
with	O
a	O
strong	O
emphasis	O
on	O
the	O
cost	O
and	O
flexibility	O
inherent	O
in	O
an	O
open	O
source	O
,	O
Linux-based	O
system	O
running	O
on	O
commodity	O
x86	B-Operating_System
hardware	O
or	O
in	O
VMware	B-Operating_System
ESXi	I-Operating_System
,	O
Microsoft	O
Hyper-V	O
,	O
Citrix	B-Operating_System
XenServer	I-Operating_System
,	O
Open	B-Operating_System
Source	I-Operating_System
Xen	I-Operating_System
and	O
KVM	B-Language
virtual	O
environments	O
.	O
</s>
<s>
In	O
2012	O
,	O
Brocade	O
Communications	O
Systems	O
acquired	O
Vyatta	B-Protocol
.	O
</s>
<s>
In	O
April	O
,	O
2013	O
,	O
Brocade	O
renamed	O
the	O
product	O
from	O
the	O
Vyatta	B-Protocol
Subscription	O
Edition	O
(	O
VSE	O
)	O
to	O
the	O
.	O
</s>
<s>
In	O
June	O
2017	O
,	O
Brocade	O
sold	O
Vyatta	B-Protocol
Software	I-Protocol
Technology	I-Protocol
to	O
AT&T	O
Communications	O
.	O
</s>
<s>
In	O
September	O
2021	O
,	O
AT&T	O
supplier	O
Ciena	O
Corporation	O
announced	O
an	O
agreement	O
to	O
acquire	O
the	O
Vyatta	B-Protocol
talent	O
and	O
assets	O
.	O
</s>
<s>
The	O
free	O
community	O
Vyatta	B-Protocol
Core	O
software	O
(	O
VC	O
)	O
was	O
an	O
open	O
source	O
network	O
operating	O
system	O
providing	O
advanced	O
IPv4	B-Protocol
and	O
IPv6	B-Protocol
routing	O
,	O
stateful	O
firewalling	O
,	O
secure	O
communication	O
through	O
both	O
an	O
IPSec	B-Protocol
based	O
VPN	B-Application
as	O
well	O
as	O
through	O
the	O
SSL	O
based	O
OpenVPN	B-Language
.	O
</s>
<s>
In	O
October	O
2013	O
,	O
an	O
independent	O
group	O
started	O
a	O
fork	O
of	O
Vyatta	B-Protocol
Core	O
under	O
the	O
name	O
VyOS	B-Protocol
.	O
</s>
<s>
In	O
March	O
2018	O
,	O
ATT	O
released	O
a	O
new	O
open	O
source	O
project	O
based	O
on	O
the	O
proprietary	O
Brocade	O
version	O
of	O
Vyatta	B-Protocol
under	O
the	O
name	O
DANOS	O
.	O
</s>
<s>
Version	O
number	O
Release	O
date	O
Status	O
Branch	O
Based	O
on	O
Kernel	O
used	O
Major	O
changes	O
Notes	O
6.6	O
May	O
2013	O
Current	O
Daisy	O
Pacifica	O
3.3.8	O
DMVPN	O
,	O
Multicast	O
Routing	O
,	O
SNMPv3	O
6.5	O
Oct	O
.	O
2012	O
Pacifica	O
Oxnard	O
3.3	O
Support	O
for	O
Hyper-V	O
,	O
policy	O
based	O
routing	O
,	O
Virtual	O
Tunnel	O
Interface	O
(	O
VTI	O
)	O
,	O
BGP	O
Multipath	O
support	O
,	O
and	O
IPsec	B-Protocol
for	O
IPv6	B-Protocol
,	O
64-bit	O
support	O
IPS	O
is	O
removed	O
from	O
Vyatta	B-Protocol
Core	O
.	O
</s>
<s>
6.4	O
April	O
2012	O
Historical	O
Oxnard	O
Napa	O
3.0.23	O
reorganizing	O
operational	O
mode	O
commands	O
,	O
better	O
support	O
of	O
VRRP	O
,	O
Global	O
stateful	O
behavior	O
for	O
firewall	B-Application
,	O
Connection	O
Tracking	O
Enhancements	O
,	O
Enhanced	O
Connection	O
Sync	O
Functionality	O
-	O
Support	O
for	O
seamless	O
failover	O
of	O
FTP	O
,	O
SIP	O
and	O
H.323	O
connections	O
,	O
NAT	O
Enhancements	O
,	O
CLI	O
Enhancements	O
,	O
Upgrade	O
improvements	O
for	O
bare-metal	O
installations	O
(	O
VSE	O
only	O
)	O
,	O
Virtualization	O
upgrade	O
improvements	O
(	O
VSE	O
only	O
)	O
,	O
VMware	O
vSphere	O
5	O
support	O
(	O
VSE	O
only	O
)	O
,	O
XenServer	B-Operating_System
6.0	O
support	O
(	O
VSE	O
only	O
)	O
,	O
expanded	O
GUI	O
with	O
additional	O
tabs	O
–	O
Dashboard	O
and	O
Statistics	O
.	O
</s>
<s>
(	O
VSE	O
only	O
)	O
6.3	O
August	O
2011	O
Napa	O
Mendocino	O
2.6.37	O
x.509	O
for	O
IPsec	B-Protocol
,	O
improved	O
user	O
management	O
for	O
remote	O
access	O
VPN	B-Application
,	O
OpenVPN	B-Language
sessions	O
restart	O
,	O
OpenVPN	B-Language
server	O
bridging	O
,	O
migration	O
use	O
volatile	O
data	O
apart	O
from	O
config	O
between	O
images	O
,	O
file	O
management	O
commands	O
.	O
</s>
<s>
Web	O
GUI	O
is	O
removed	O
from	O
Vyatta	B-Protocol
Core	O
.	O
</s>
<s>
6.2	O
March	O
2011	O
Mendocino	O
Larkspur	O
2.6.35	O
Build	O
on	O
Debian	O
Squeeze	O
(	O
vs	O
6.1	O
based	O
on	O
Lenny	O
)	O
,	O
configurable	O
serial	O
console	O
lines	O
,	O
confirmed	O
commits	O
,	O
configuration	O
archive	O
and	O
possibility	O
to	O
view	O
changes	O
,	O
scripting	O
API	O
,	O
IPv6	B-Protocol
DNS	O
resolver	O
,	O
OpenVPN	B-Language
enhancements	O
,	O
improved	O
Configuration	B-General_Concept
Management	I-General_Concept
6.1	O
August	O
2010	O
Larkspur	O
Kenwood	O
2.6.32	O
DHCPv6	O
,	O
stateful	O
firewall	B-Application
failover	O
,	O
LLDP	O
,	O
configuration	O
items	O
(	O
de	O
)	O
activating	O
and	O
commenting	O
,	O
OpenVPN	B-Language
bridging	O
,	O
IPv6	B-Protocol
BGP	O
.	O
</s>
<s>
6.0	O
April	O
2010	O
Kenwood	O
Isla	O
Vista	O
,	O
Jenner	O
2.6.31	O
IPv6	B-Protocol
firewall	B-Application
,	O
IPv6	B-Protocol
BGP	O
,	O
OSPFv3	O
,	O
firewall	B-Application
groups	O
,	O
binary	O
installation	O
,	O
p2p	O
traffic	O
control	O
,	O
NetFlow	O
,	O
drivers	O
for	O
serial	O
interfaces	O
removed	O
.	O
</s>
<s>
Vyatta	B-Protocol
Community	O
renamed	O
to	O
Vyatta	B-Protocol
Core	O
,	O
subscription	O
and	O
community	O
branches	O
mergedSubscription	O
versions	O
now	O
are	O
different	O
from	O
core	O
only	O
with	O
additional	O
components	O
,	O
other	O
features	O
are	O
the	O
same	O
.	O
</s>
<s>
5.0.2	O
March	O
2009	O
Isla	O
Vista	O
Hollywood	O
,	O
Hollister	O
2.6.26	O
OpenVPN	B-Language
,	O
ethernet	O
bonding	O
,	O
web	O
proxy	O
,	O
url	O
filtering	O
(	O
Squish	O
)	O
,	O
IPS	O
(	O
Snort	O
)	O
,	O
dns	O
forwarding	O
,	O
wireless	O
modems	O
,	O
RAID1	O
,	O
basic	O
IPv6	B-Protocol
support	O
,	O
serial	O
interfaces	O
full	O
support	O
.	O
</s>
<s>
4.0	O
April	O
2008	O
Glendale	O
Eureka	O
2.6.23	O
New	O
CLI	O
,	O
PPTP	O
and	O
L2TP	O
VPN	B-Application
servers	I-Application
,	O
PPPoE	O
client	O
,	O
DHCP	B-Protocol
client	O
,	O
WAN	O
load	O
balancing	O
,	O
ECMP	O
(	O
Equal	O
Cost	O
Multipath	O
Routing	O
)	O
,	O
user	O
roles	O
.	O
</s>
<s>
XORP	O
replaced	O
with	O
quagga	B-Protocol
.	O
</s>
<s>
3.0	O
October	O
2007	O
Dublin	O
Camarillo	O
2.6.20	O
IPsec	B-Protocol
VPN	B-Application
,	O
multilink	O
PPP	O
,	O
BGP	O
enhancements	O
.	O
</s>
<s>
2.0	O
Feb	O
2007	O
Alameda	O
1.1.1	O
2.6.16	O
Multiport	O
T1/E1	O
cards	O
,	O
BGP	O
performance	O
improved	O
,	O
experimental	O
IPv6	B-Protocol
and	O
multicast	O
routing	O
.	O
</s>
