<s>
VNS3	B-Protocol
is	O
a	O
software-only	O
virtual	B-Application
appliance	I-Application
that	O
allows	O
users	O
to	O
control	O
access	O
and	O
network	B-Architecture
topology	I-Architecture
and	O
secure	O
data	O
in	O
motion	O
across	O
public	O
and	O
private	O
clouds	B-Architecture
.	O
</s>
<s>
VNS3	B-Protocol
is	O
a	O
virtual	O
router	B-Protocol
,	O
switch	B-Protocol
,	O
firewall	B-Protocol
,	O
protocol	O
re-distributor	O
,	O
and	O
SSL/IPSec	O
VPN	B-Application
concentrator	O
.	O
</s>
<s>
VNS3	B-Protocol
is	O
a	O
network	O
routing	O
and	O
security	O
virtual	B-Application
appliance	I-Application
that	O
lets	O
extend	O
networks	O
into	O
public	O
,	O
private	O
,	O
and	O
hybrid	O
clouds	B-Architecture
VNS3	B-Protocol
lets	O
enterprise	O
data	O
center	O
administrators	O
"	O
create	O
encrypted	O
LAN	B-General_Concept
between	O
virtual	B-Architecture
machines	I-Architecture
in	O
a	O
private	O
cloud	O
,	O
as	O
well	O
as	O
encrypted	O
WAN	O
across	O
multiple	O
public	O
clouds.	O
"	O
</s>
<s>
The	O
company	O
named	O
the	O
early	O
commercial	O
version	O
of	O
VNS3	B-Protocol
"	O
VPN3	O
"	O
or	O
"	O
VPN-Cubed	O
"	O
and	O
later	O
renamed	O
the	O
software	O
to	O
VNS3	B-Protocol
in	O
2012	O
.	O
</s>
<s>
Amazon	B-Application
Web	I-Application
Services	I-Application
users	O
first	O
began	O
downloading	O
VPN-Cubed	O
from	O
the	O
partner	O
directory	O
on	O
5	O
December	O
2008	O
.	O
</s>
<s>
VNS3	B-Protocol
gained	O
popularity	O
(	O
as	O
VPN-Cubed	O
)	O
as	O
part	O
of	O
the	O
Amazon	B-Application
Web	I-Application
Services	I-Application
public	O
cloud	O
ecosystem	O
and	O
with	O
independent	O
reviews	O
from	O
ZDNet	O
,	O
High	O
Scalability	O
,	O
InfoQ	O
,	O
Chris	O
Hoff	O
,	O
and	O
CloudAve	O
.	O
</s>
<s>
The	O
release	O
updated	O
the	O
software	O
to	O
3.0	O
and	O
rebranded	O
it	O
as	O
VNS3	B-Protocol
(	O
VNS-Cubed	O
)	O
.	O
</s>
<s>
451	O
Research	O
analyst	O
William	O
Fellows	O
wrote	O
"VNS[3]	O
is	O
not	O
only	O
for	O
VPNs	B-Application
–	O
hence	O
the	O
name	O
change	O
–	O
since	O
overlays	O
can	O
be	O
within	O
a	O
cloud	O
,	O
between	O
clouds	B-Architecture
,	O
between	O
a	O
private	O
datacenter	O
and	O
a	O
cloud	O
(	O
or	O
clouds	B-Architecture
)	O
,	O
or	O
between	O
multiple	O
datacenters.	O
"	O
</s>
<s>
In	O
2013	O
,	O
Cohesive	O
Networks	O
released	O
a	O
3.0.1	O
version	O
of	O
the	O
product	O
,	O
as	O
well	O
as	O
a	O
free	O
edition	O
of	O
VNS3	B-Protocol
in	O
Amazon	B-Application
Web	I-Application
Services	I-Application
.	O
</s>
<s>
VNS3	B-Protocol
was	O
recognized	O
in	O
the	O
6th	O
Annual	O
International	O
Datacenters	O
Awards	O
as	O
the	O
winner	O
of	O
the	O
Public	O
Cloud	B-Architecture
Services	I-Architecture
&	O
Infrastructure	O
award	O
In	O
early	O
2014	O
VNS3	B-Protocol
3.5	O
was	O
released	O
with	O
major	O
software	O
updates	O
and	O
a	O
new	O
integration	O
with	O
Docker	B-Language
Docker	B-Language
's	O
open-source	B-Application
virtualization	O
platform	O
added	O
the	O
ability	O
to	O
run	O
other	O
networking	O
applications	O
as	O
containers	O
inside	O
VNS3	B-Protocol
virtual	B-Architecture
machines	I-Architecture
.	O
</s>
<s>
Users	O
can	O
create	O
an	O
overlay	O
network	O
"	O
as	O
a	O
substrate	O
for	O
layer	O
4-7	O
network	O
application	O
services	O
–	O
things	O
like	O
proxy	O
,	O
reverse	O
proxy	O
,	O
SSL	B-Protocol
termination	O
,	O
content	O
caching	O
and	O
network	O
intrusion	O
detection	O
"	O
William	O
Fellows	O
writes	O
.	O
</s>
<s>
In	O
early	O
2015	O
the	O
company	O
renamed	O
to	O
Cohesive	O
Networks	O
to	O
emphasize	O
the	O
networking	O
capabilities	O
of	O
VNS3	B-Protocol
and	O
to	O
spin	O
off	O
the	O
less	O
successful	O
part	O
of	O
the	O
business	O
.	O
</s>
<s>
The	O
company	O
later	O
announced	O
a	O
new	O
line	O
of	O
VNS3-based	O
products	O
,	O
including	O
VNS3:turret	O
application	O
segmentation	O
controller	O
,	O
the	O
VNS3:ms	O
network	O
management	O
platform	O
,	O
and	O
the	O
VNS3:ha	O
-	O
high	O
availability	O
add	O
on	O
.	O
</s>
<s>
After	O
2008	O
,	O
VNS3	B-Protocol
became	O
available	O
in	O
more	O
public	O
cloud	O
providers	O
and	O
geographic	O
regions	O
,	O
including	O
Amazon	B-Application
Web	I-Application
Services	I-Application
EC2	B-General_Concept
,	O
GoGrid	B-General_Concept
,	O
Flexiant	O
,	O
IBM	B-General_Concept
SoftLayer	I-General_Concept
,	O
Google	B-General_Concept
Compute	I-General_Concept
Engine	I-General_Concept
,	O
HP	B-General_Concept
Cloud	I-General_Concept
Services	I-General_Concept
,	O
Mircorsoft	O
Azure	O
,	O
and	O
CenturyLink	B-Application
Cloud	I-Application
.	O
</s>
<s>
VNS3	B-Protocol
software	O
creates	O
IPSec	B-Protocol
tunneling	O
connections	O
similar	O
to	O
a	O
site	O
to	O
site	O
VPN	B-Application
.	O
</s>
<s>
The	O
connections	O
can	O
ensure	O
a	O
single	O
LAN	B-General_Concept
connection	O
between	O
virtual	O
or	O
cloud	O
environments	O
VNS3	B-Protocol
gives	O
secure	O
access	O
to	O
cloud	O
assets	O
,	O
extends	O
the	O
Virtual	B-General_Concept
LAN	I-General_Concept
segmentation	O
,	O
isolation	O
,	O
and	O
security	O
of	O
a	O
cloud	O
provider	O
's	O
network	O
.	O
</s>
<s>
The	O
first	O
VNS3	B-Protocol
was	O
built	O
on	O
a	O
customized	O
Ubuntu-based	O
Linux	B-Application
using	O
open	B-Application
source	I-Application
networking	O
applications	O
Openswan	B-Protocol
and	O
OpenVPN	B-Language
.	O
</s>
<s>
The	O
development	O
team	O
chose	O
OpenVPN	B-Language
"	O
primarily	O
because	O
it	O
uses	O
standard	O
OpenSSL	B-Language
encryption	O
,	O
runs	O
on	O
multiple	O
operating	O
systems	O
and	O
does	O
not	O
require	O
kernel	O
patching	O
or	O
additional	O
modules.	O
"	O
</s>
<s>
VNS3	B-Protocol
Managers	O
are	O
virtual	B-Architecture
machines	I-Architecture
that	O
act	O
as	O
a	O
VPN	B-Application
gateway	O
for	O
the	O
other	O
virtual	B-Architecture
machines	I-Architecture
in	O
the	O
same	O
cloud	O
infrastructure	O
.	O
</s>
<s>
VNS3	B-Protocol
synchronizes	O
between	O
cloud	O
managers	O
using	O
RabbitMQ	B-Application
.	O
</s>
<s>
VNS3	B-Protocol
enables	O
users	O
to	O
turn	O
multicast	O
on	O
and	O
off	O
in	O
order	O
to	O
work	O
on	O
public	O
clouds	B-Architecture
,	O
allowing	O
software	O
configurations	O
dependent	O
on	O
multicast	O
to	O
function	O
in	B-Architecture
the	I-Architecture
cloud	I-Architecture
.	O
</s>
<s>
VNS3	B-Protocol
software	O
creates	O
IPSec	B-Protocol
tunneling	O
connections	O
similar	O
to	O
a	O
site-to-site	O
VPN	B-Application
.	O
</s>
<s>
The	O
connections	O
can	O
ensure	O
a	O
single	O
LAN	B-General_Concept
network	I-General_Concept
between	O
multiple	O
cloud	O
environments	O
.	O
</s>
<s>
VNS3	B-Protocol
secures	O
connections	O
to	O
cloud	O
deployments	O
,	O
extends	O
the	O
Virtual	B-General_Concept
LAN	I-General_Concept
segmentation	O
,	O
and	O
ensures	O
network	O
isolation	O
and	O
security	O
in	O
a	O
cloud	O
provider	O
's	O
virtual	O
environment	O
.	O
</s>
<s>
VNS3	B-Protocol
has	O
a	O
web-based	O
UI	B-Application
and	O
traditional	O
Linux	B-Application
system	O
command	B-Application
line	I-Application
interface	I-Application
.	O
</s>
<s>
The	O
VNS3	B-Protocol
API	B-General_Concept
uses	O
a	O
Ruby	B-Language
script	O
and	O
Ruby	B-Language
language	I-Language
binding	O
.	O
</s>
<s>
The	O
developers	O
earned	O
a	O
patent	O
on	O
the	O
underlying	O
cloud	O
VPN	B-Application
technologies	O
in	O
2010	O
.	O
</s>
<s>
VPN-Cubed	O
has	O
been	O
available	O
in	O
Amazon	B-Application
Web	I-Application
Services	I-Application
cloud	O
since	O
December	O
5	O
,	O
2008.According	O
to	O
the	O
Cohesive	O
Networks	O
website	O
,	O
VNS3	B-Protocol
is	O
delivered	O
as	O
a	O
virtual	B-Architecture
machine	I-Architecture
and	O
is	O
available	O
in	O
public	O
clouds	B-Architecture
including	O
:	O
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
Microsoft	B-Application
Azure	I-Application
,	O
Google	B-General_Concept
Compute	I-General_Concept
Engine	I-General_Concept
,	O
ElasticHosts	B-General_Concept
,	O
IBM	B-General_Concept
SoftLayer	I-General_Concept
,	O
and	O
CenturyLink	B-Application
Cloud	I-Application
.	O
</s>
<s>
Private	O
clouds	B-Architecture
availability	O
includes	O
:	O
Abiquo	B-General_Concept
,	O
Eucalyptus	B-General_Concept
,	O
Openstack	B-Application
;	O
and	O
virtual	O
infrastructures	O
such	O
as	O
:	O
Xen	B-Operating_System
,	O
VMware	O
,	O
KVM	B-Language
,	O
Citrix	B-Application
.	O
</s>
<s>
Since	O
October	O
2008	O
,	O
VNS3	B-Protocol
has	O
been	O
available	O
for	O
free	O
on	O
Amazon	B-Application
Web	I-Application
Services	I-Application
Microsoft	B-Application
Azure	I-Application
,	O
and	O
CenturyLink	B-Application
Cloud	I-Application
.	O
</s>
<s>
Version	O
number	O
Release	O
date	O
Status	O
Major	O
changes	O
Available	O
in	O
Notes	O
4.3.2	O
-	O
4.3.5	O
21	O
May	O
2017	O
Current	O
Support	O
for	O
AWS	B-Application
BYOL	O
Marketplace	O
image	O
added	O
.	O
</s>
<s>
Alpha	O
Release	O
of	O
firewall	B-Protocol
enhancements	O
supporting	O
customer	O
created	O
subchains	O
and	O
firewall	B-Protocol
host	O
and	O
port	O
sets	O
.	O
</s>
<s>
Improved	O
memory	O
utilization	O
information	O
via	O
UI	B-Application
and	O
API	B-General_Concept
by	O
taking	O
into	O
account	O
what	O
the	O
VNS3	B-Protocol
linux-based	O
OS	O
is	O
caching/buffering	O
.	O
</s>
<s>
Improved	O
CPU	O
load	O
information	O
on	O
the	O
VNS3	B-Protocol
Status	O
page	O
.	O
</s>
<s>
Public	O
clouds	B-Architecture
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
Microsoft	B-Application
Azure	I-Application
,	O
ElasticHosts	B-General_Concept
,	O
CenturyLink	B-Application
Cloud	I-Application
,	O
IBM	B-General_Concept
SoftLayer	I-General_Concept
Google	B-General_Concept
Cloud	I-General_Concept
Platform	I-General_Concept
;	O
Private	O
clouds	B-Architecture
and	O
virtual	O
infrastructures	O
:	O
Xen	B-Operating_System
,	O
VMware	O
,	O
KVM	B-Language
,	O
Citrix	B-Application
Ongoing	O
updates	O
to	O
4.0.x	O
releases	O
with	O
security	O
patches	O
4.0	O
-	O
4.3.1	O
29	O
September	O
2016	O
End	O
of	O
sale	O
15	O
August	O
2017	O
,	O
End	O
of	O
life	O
15	O
November	O
2017	O
VNS3	B-Protocol
Version	O
4	O
is	O
a	O
major	O
release	O
in	O
the	O
lifecycle	O
of	O
the	O
VNS3	B-Protocol
product	O
family	O
.	O
</s>
<s>
Version	O
4	O
will	O
be	O
the	O
foundation	O
for	O
a	O
sequence	O
of	O
feature	O
dot	O
releases	O
in	O
the	O
near	O
future	O
,	O
including	O
an	O
update	O
of	O
the	O
VNS3	B-Protocol
hardened	O
OS	O
to	O
version	O
4.0	O
.	O
and	O
a	O
redesigned	O
UI	B-Application
to	O
take	O
advantage	O
of	O
paginated	O
,	O
sortable	O
and	O
searchable	O
tables	O
for	O
Peered	O
connections	O
,	O
Overlay	O
Network	O
devices	O
,	O
Clientpacks	O
,	O
and	O
IPsec	B-Protocol
tunnels	O
;	O
and	O
new	O
configurable	O
HTTPS	O
certificates	O
for	O
Web	O
UI	B-Application
and	O
API	B-General_Concept
access	O
.	O
</s>
<s>
Public	O
clouds	B-Architecture
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
Microsoft	B-Application
Azure	I-Application
,	O
ElasticHosts	B-General_Concept
,	O
CenturyLink	B-Application
Cloud	I-Application
,	O
IBM	B-General_Concept
SoftLayer	I-General_Concept
Google	B-General_Concept
Cloud	I-General_Concept
Platform	I-General_Concept
;	O
Private	O
clouds	B-Architecture
and	O
virtual	O
infrastructures	O
:	O
Xen	B-Operating_System
,	O
VMware	O
,	O
KVM	B-Language
,	O
Citrix	B-Application
Ongoing	O
updates	O
to	O
4.0.x	O
releases	O
without	O
security	O
patches	O
3.5.3	O
LTS	O
31	O
July	O
2017	O
Current	O
Long	O
Term	O
Server	O
(	O
LTS	O
)	O
version	O
This	O
release	O
comes	O
ahead	O
of	O
the	O
4.0	O
release	O
and	O
will	O
be	O
the	O
“	O
Long	O
Term	O
Server	O
”	O
version	O
for	O
the	O
3.5	O
product	O
line	O
.	O
</s>
<s>
Public	O
clouds	B-Architecture
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
Microsoft	B-Application
Azure	I-Application
,	O
ElasticHosts	B-General_Concept
,	O
CenturyLink	B-Application
Cloud	I-Application
,	O
IBM	B-General_Concept
SoftLayer	I-General_Concept
Google	B-General_Concept
Cloud	I-General_Concept
Platform	I-General_Concept
;	O
Private	O
clouds	B-Architecture
:	O
Abiquo	B-General_Concept
Enterprise	I-General_Concept
Edition	I-General_Concept
,	O
Eucalyptus	B-General_Concept
(	O
computing	O
)	O
,	O
Openstack	B-Application
;	O
virtual	O
infrastructures	O
:	O
Xen	B-Operating_System
,	O
VMware	O
,	O
KVM	B-Language
,	O
Citrix	B-Application
First	O
VNS3	B-Protocol
Long	O
Term	O
Server	O
3.5.1.14	O
18	O
March	O
2016	O
End	O
of	O
sale	O
15	O
August	O
2017	O
,	O
End	O
of	O
life	O
15	O
November	O
2017	O
Allows	O
use	O
of	O
an	O
instance	O
as	O
an	O
HA	O
backup	O
controller	O
via	O
the	O
VNS3:ms	O
system	O
.	O
</s>
<s>
Allow	O
PREROUTING_CUST	O
and	O
POSTROUTING_CUST	O
customer	O
firewall	B-Protocol
chains	O
to	O
use	O
and	O
valid	O
jump	O
target	O
for	O
the	O
NAT	O
table	O
.	O
</s>
<s>
Public	O
clouds	B-Architecture
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
Microsoft	B-Application
Azure	I-Application
,	O
ElasticHosts	B-General_Concept
,	O
CenturyLink	B-Application
Cloud	I-Application
,	O
IBM	B-General_Concept
SoftLayer	I-General_Concept
Google	B-General_Concept
Cloud	I-General_Concept
Platform	I-General_Concept
;	O
Private	O
clouds	B-Architecture
:	O
Abiquo	B-General_Concept
Enterprise	I-General_Concept
Edition	I-General_Concept
,	O
Eucalyptus	B-General_Concept
(	O
computing	O
)	O
,	O
Openstack	B-Application
;	O
virtual	O
infrastructures	O
:	O
Xen	B-Operating_System
,	O
VMware	O
,	O
KVM	B-Language
,	O
Citrix	B-Application
Final	O
update	O
to	O
3.5	O
dot	O
release	O
line	O
3.5	O
-	O
3.5.1.13	O
30	O
January	O
2014	O
-	O
30	O
April	O
2014	O
End	O
of	O
sale	O
18	O
March	O
2016	O
,	O
End	O
of	O
life	O
15	O
November	O
2017	O
A	O
series	O
of	O
dot	O
releases	O
following	O
the	O
major	O
3.5	O
release	O
in	O
January	O
2014	O
to	O
address	O
feedback	O
from	O
customers	O
on	O
the	O
overall	O
release	O
.	O
</s>
<s>
Updates	O
to	O
the	O
Docker	B-Language
based	O
L4-L7	O
container	O
system	O
and	O
to	O
support	O
VNS3:turret	O
in	O
private	O
clouds	B-Architecture
and	O
virtual	O
infrastructures	O
.	O
</s>
<s>
Public	O
clouds	B-Architecture
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
HP	B-General_Concept
Cloud	I-General_Concept
Services	I-General_Concept
,	O
Google	B-General_Concept
Compute	I-General_Concept
Engine	I-General_Concept
,	O
ElasticHosts	B-General_Concept
,	O
Flexiant	O
Limited	O
,	O
Interoute	O
,	O
Softlayer	B-General_Concept
;	O
Private	O
clouds	B-Architecture
:	O
Abiquo	B-General_Concept
Enterprise	I-General_Concept
Edition	I-General_Concept
,	O
Eucalyptus	B-General_Concept
(	O
computing	O
)	O
,	O
Openstack	B-Application
;	O
virtual	O
infrastructures	O
:	O
Xen	B-Operating_System
,	O
VMware	O
,	O
KVM	B-Language
,	O
Citrix	B-Application
Minor	O
ongoing	O
updates	O
to	O
3.5	O
release	O
3.0	O
-	O
3.0.4	O
12	O
September	O
2012	O
-	O
26	O
November	O
2013	O
End	O
of	O
sale	O
20	O
November	O
2015	O
,	O
End	O
of	O
life	O
20	O
April	O
2016	O
Network	O
sniffer	O
Packet	B-Protocol
analyzer	I-Protocol
,	O
IPsec	B-Protocol
visibility	O
and	O
monitoring	O
in	O
the	O
API	B-General_Concept
and	O
User	B-Application
Interface	I-Application
;	O
License	O
Upgrade	O
program	O
for	O
immediate	O
upgrades	O
;	O
updated	O
API	B-General_Concept
,	O
expanded	O
Representational	B-Protocol
state	I-Protocol
transfer	I-Protocol
API	B-General_Concept
Available	O
for	O
most	O
cloud	O
providers	O
,	O
bespoke	O
pricing	O
Major	O
release	O
including	O
new	O
user	B-Application
interface	I-Application
,	O
and	O
rebranding	O
change	O
that	O
renamed	O
the	O
older	O
v2.x	O
VPN-Cubed	O
product	O
to	O
VNS3	B-Protocol
2.x	O
17	O
November	O
2010	O
Historical	O
,	O
no	O
longer	O
supported	O
Manager	O
Virtual	B-Protocol
firewall	I-Protocol
,	O
Manager	O
API	B-General_Concept
compatibility	O
,	O
external	O
ping	O
capability	O
,	O
Cloud	O
Only	O
edition	O
and	O
Datacenter	O
Connect	O
edition	O
Private	O
clouds	B-Architecture
:	O
Terremark	O
,	O
Eucalyptus	B-General_Concept
(	O
computing	O
)	O
,	O
RightScale	B-General_Concept
,	O
Openstack	B-Application
;	O
virtual	O
infrastructures	O
:	O
Xen	B-Operating_System
,	O
VMware	O
,	O
KVM	B-Language
,	O
Citrix	B-Application
;	O
and	O
public	O
clouds	B-Architecture
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
GoGrid	B-General_Concept
,	O
Flexiant	O
Limited	O
,	O
IBM	B-General_Concept
cloud	I-General_Concept
computing	I-General_Concept
First	O
commercial	O
version	O
,	O
named	O
VPN-Cubed	O
1.x	O
June	O
2006	O
Historical	O
,	O
no	O
longer	O
supported	O
First	O
versions	O
were	O
named	O
v-cube-v	O
and	O
tested	O
internally	O
.	O
</s>
