<s>
Oracle	B-Application
Virtual	B-Protocol
Desktop	I-Protocol
Infrastructure	I-Protocol
(	O
VDI	O
)	O
software	O
is	O
a	O
discontinued	O
desktop	B-Protocol
virtualization	I-Protocol
product	O
that	O
provides	O
desktop	B-Protocol
virtualization	I-Protocol
to	O
replace	O
personal	O
computers	O
with	O
virtual	B-Architecture
machines	I-Architecture
(	O
VMs	O
)	O
on	O
a	O
server	O
.	O
</s>
<s>
Desktops	O
are	O
accessed	O
via	O
Sun	B-Protocol
Ray	I-Protocol
Client	O
,	O
Oracle	B-Application
VDC	O
Client	O
(	O
basically	O
a	O
software	O
version	O
of	O
the	O
Sun	B-Protocol
Ray	I-Protocol
,	O
also	O
using	O
the	O
same	O
ALP	O
protocol	O
as	O
the	O
Sun	B-Protocol
Ray	I-Protocol
,	O
Remote	B-Protocol
Desktop	I-Protocol
Protocol	I-Protocol
(	O
RDP	B-Protocol
)	O
client	O
,	O
or	O
optionally	O
through	O
the	O
web	O
via	O
Oracle	B-Application
Secure	O
Global	O
Desktop	O
software	O
.	O
</s>
<s>
The	O
product	O
features	O
tight	O
integration	O
with	O
LDAP	B-Protocol
and	O
Active	B-Protocol
Directory	I-Protocol
for	O
user	O
authentication	O
.	O
</s>
<s>
When	O
accessing	O
a	O
VM	O
,	O
the	O
user	O
is	O
presented	O
with	O
an	O
Oracle	B-Application
VDI	I-Application
login	O
screen	O
.	O
</s>
<s>
Once	O
the	O
VM	O
has	O
been	O
determined	O
it	O
will	O
be	O
made	O
available	O
(	O
resuming	O
when	O
suspended	O
,	O
starting	O
when	O
shut	O
down	O
)	O
and	O
the	O
user	O
is	O
then	O
redirected	O
to	O
the	O
client	O
OS	O
or	O
,	O
if	O
VirtualBox	B-Operating_System
is	O
used	O
as	O
virtualization	O
backend	O
,	O
the	O
RDP	B-Protocol
server	O
built	O
into	O
VirtualBox	B-Operating_System
.	O
</s>
<s>
Multiple	O
supported	O
virtualization	O
products	O
were	O
:	O
Oracle	B-Operating_System
VirtualBox	I-Operating_System
(	O
included	O
)	O
,	O
VMware	O
vSphere	O
,	O
Microsoft	O
Hyper-V	O
and	O
Remote	B-Protocol
Desktop	I-Protocol
Services	I-Protocol
.	O
</s>
<s>
Built-in	O
vRDP	O
support	O
in	O
VirtualBox	B-Operating_System
can	O
be	O
used	O
to	O
remotely	O
access	O
operating	O
systems	O
that	O
lack	O
a	O
built-in	O
RDP	B-Protocol
server	O
,	O
such	O
as	O
Linux	B-Application
.	O
</s>
<s>
In	O
2013	O
,	O
Oracle	B-Application
announced	O
that	O
it	O
was	O
discontinuing	O
all	O
further	O
development	O
of	O
Oracle	B-Application
VDI	I-Application
,	O
although	O
existing	O
customers	O
would	O
continue	O
to	O
be	O
supported	O
for	O
a	O
transitional	O
period	O
.	O
</s>
<s>
Full	O
support	O
of	O
Oracle	B-Application
VDI	I-Application
ended	O
in	O
March	O
2017	O
.	O
</s>
