<s>
The	O
Sun	B-Protocol
Ray	I-Protocol
was	O
a	O
stateless	B-Protocol
thin	B-Device
client	I-Device
computer	O
(	O
and	O
associated	O
software	O
)	O
aimed	O
at	O
corporate	O
environments	O
,	O
originally	O
introduced	O
by	O
Sun	O
Microsystems	O
in	O
September	O
1999	O
and	O
discontinued	O
by	O
Oracle	B-Application
Corporation	I-Application
in	O
2014	O
.	O
</s>
<s>
It	O
featured	O
a	O
smart	O
card	O
reader	O
and	O
several	O
models	O
featured	O
an	O
integrated	O
flat	B-General_Concept
panel	I-General_Concept
display	I-General_Concept
.	O
</s>
<s>
The	O
idea	O
of	O
a	O
stateless	B-Protocol
desktop	O
was	O
a	O
significant	O
shift	O
from	O
,	O
and	O
the	O
eventual	O
successor	O
to	O
,	O
Sun	O
's	O
earlier	O
line	O
of	O
diskless	O
Java-only	O
desktops	O
,	O
the	O
JavaStation	B-Device
.	O
</s>
<s>
It	O
was	O
based	O
on	O
the	O
Sun	O
Microelectronics	O
MicroSPARC	B-Device
IIep	I-Device
.	O
</s>
<s>
Other	O
processors	O
initially	O
considered	O
for	O
it	O
included	O
Intel	O
's	O
StrongARM	B-Device
,	O
Philips	O
Semiconductors	O
 '	O
TriMedia	B-General_Concept
,	O
and	O
National	O
Semiconductor	O
's	O
Geode	O
.	O
</s>
<s>
The	O
MicroSPARC	B-Device
IIep	I-Device
was	O
selected	O
because	O
of	O
its	O
high	O
level	O
of	O
integration	O
,	O
good	O
performance	O
,	O
low	O
cost	O
,	O
and	O
availability	O
.	O
</s>
<s>
The	O
graphics	O
controller	O
used	O
was	O
the	O
ATI	B-Device
Rage	I-Device
128	I-Device
because	O
of	O
its	O
low	O
power	O
,	O
2D	O
rendering	O
performance	O
,	O
and	O
low	O
cost	O
.	O
</s>
<s>
It	O
also	O
included	O
an	O
ATI	O
video	O
encoder	O
for	O
TV-out	O
(	O
removed	O
in	O
the	O
Sun	B-Protocol
Ray	I-Protocol
1	O
)	O
,	O
a	O
Philips	O
Semiconductor	O
SAA7114	O
video	O
decoder/scaler	O
,	O
Crystal	O
Semiconductor	O
audio	O
CODEC	O
,	O
Sun	O
Microelectronics	O
Ethernet	O
controller	O
,	O
PCI	O
USB	O
host	O
interface	O
with	O
4	O
port	O
hub	O
,	O
and	O
I²C	O
smart	O
card	O
interface	O
.	O
</s>
<s>
the	O
client	O
ran	O
a	O
real-time	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
called	O
"	O
exec	O
"	O
,	O
which	O
was	O
originally	O
developed	O
in	O
Sun	O
Labs	O
as	O
part	O
of	O
an	O
Ethernet-based	O
security	O
camera	O
project	O
codenamed	O
NetCam	O
.	O
</s>
<s>
In	O
July	O
2013	O
,	O
reports	O
circulated	O
that	O
Oracle	B-Application
was	O
ending	O
the	O
development	O
of	O
the	O
Sun	B-Protocol
Ray	I-Protocol
and	O
related	O
products	O
.	O
</s>
<s>
In	O
contrast	O
to	O
a	O
thick	B-Protocol
client	I-Protocol
,	O
the	O
Sun	B-Protocol
Ray	I-Protocol
is	O
only	O
a	O
networked	O
display	O
device	O
,	O
with	O
applications	O
running	O
on	O
a	O
server	O
elsewhere	O
,	O
and	O
the	O
state	O
of	O
the	O
user	O
's	O
session	O
being	O
independent	O
of	O
the	O
display	O
.	O
</s>
<s>
This	O
enables	O
another	O
feature	O
of	O
the	O
Sun	B-Protocol
Ray	I-Protocol
;	O
portable	O
sessions	O
where	O
a	O
user	O
can	O
go	O
from	O
one	O
Sun	B-Protocol
Ray	I-Protocol
to	O
another	O
and	O
continue	O
their	O
work	O
without	O
closing	O
any	O
programs	O
.	O
</s>
<s>
Sun	B-Protocol
Ray	I-Protocol
clients	O
are	O
connected	O
via	O
an	O
Ethernet	O
network	O
to	O
a	O
Sun	B-Protocol
Ray	I-Protocol
Server	O
.	O
</s>
<s>
Sun	B-Protocol
Ray	I-Protocol
Software	O
(	O
SRS	O
)	O
is	O
available	O
for	O
the	O
Solaris	B-Application
and	O
Linux	B-Application
operating	I-Application
systems	I-Application
.	O
</s>
<s>
Sun	O
developed	O
a	O
separate	O
network	O
display	O
protocol	O
,	O
Appliance	O
Link	O
Protocol	O
(	O
ALP	O
)	O
,	O
for	O
the	O
Sun	B-Protocol
Ray	I-Protocol
system	O
.	O
</s>
<s>
VMware	O
announced	O
support	O
for	O
the	O
protocol	O
by	O
VMware	B-Application
View	I-Application
in	O
2008	O
.	O
</s>
<s>
The	O
Sun	B-Protocol
Ray	I-Protocol
Software	O
has	O
two	O
basic	O
modes	O
of	O
operation	O
:	O
generic	O
session	O
or	O
kiosk	O
mode	O
.	O
</s>
<s>
In	O
a	O
generic	O
session	O
,	O
the	O
user	O
will	O
see	O
the	O
Solaris	B-Application
or	O
Linux	B-Application
login	O
screen	O
of	O
the	O
operating	O
system	O
that	O
is	O
running	O
SRS	O
.	O
</s>
<s>
Oracle	B-Application
has	O
integrated	O
a	O
RDP	B-Protocol
client	O
,	O
VMware	B-Application
View	I-Application
client	O
into	O
the	O
Sun	B-Protocol
Ray	I-Protocol
software	O
that	O
can	O
be	O
used	O
in	O
Kiosk	O
mode	O
to	O
start	O
a	O
full	O
screen	O
Windows	O
session	O
.	O
</s>
<s>
The	O
Windows	O
environment	O
can	O
be	O
any	O
OS	O
that	O
supports	O
RDP	B-Protocol
.	O
</s>
<s>
In	O
2007	O
,	O
Sun	O
and	O
UK	O
company	O
Thruput	O
integrated	O
the	O
Sun	B-Protocol
Ray	I-Protocol
2FS	O
with	O
28	O
"	O
(	O
2048	O
×	O
2048	O
)	O
,	O
30	O
"	O
(	O
2560	O
×	O
1600	O
)	O
and	O
56	O
"	O
(	O
3840	O
×	O
2160	O
)	O
displays	O
;	O
in	O
2008	O
they	O
trialed	O
an	O
external	O
graphics	O
accelerator	O
that	O
enables	O
the	O
Sun	B-Protocol
Ray	I-Protocol
to	O
be	O
used	O
with	O
any	O
high	O
resolution	O
display	O
.	O
</s>
<s>
Sun	B-Protocol
Ray	I-Protocol
2	I-Protocol
–	O
small	O
footprint	O
,	O
low	O
power	O
(	O
4	O
watts	O
)	O
.	O
</s>
<s>
Sun	B-Protocol
Ray	I-Protocol
3i	O
–	O
Full	O
HD	O
1920	O
×	O
1080	O
maximum	O
resolution	O
16:9	O
widescreen	O
21.5	O
"	O
LCD	O
display	O
,	O
five	O
USB	O
2.0	O
ports	O
,	O
built-in	O
smart	O
card	O
reader	O
,	O
VESA	O
100	O
×	O
100mm	O
mount	O
and	O
removable	O
stand	O
.	O
</s>
<s>
Sun	B-Protocol
Ray	I-Protocol
3	O
plus	O
–	O
support	O
for	O
dual	B-General_Concept
head	I-General_Concept
Dual-Link	B-Protocol
DVI	I-Protocol
maximum	O
resolution	O
up	O
to	O
2560	O
x	O
1600	O
30	O
"	O
LCD	O
display	O
,	O
four	O
Universal	O
Serial	O
Bus	O
(	O
USB	O
)	O
2.0	O
ports	O
,	O
built-in	O
smart	O
card	O
reader	O
,	O
one	O
serial	O
port	O
(	O
DB9	O
)	O
,	O
Gigabit	O
Ethernet	O
(	O
RJ-45	O
and	O
SFP	O
)	O
,	O
Energy	O
Star	O
5.0	O
qualified	O
(	O
14.15	O
W	O
in	O
use	O
)	O
,	O
headphone	O
and	O
mic	O
jacks	O
.	O
</s>
<s>
The	O
Sun	B-Protocol
Ray	I-Protocol
3	O
models	O
were	O
the	O
last	O
in	O
production	O
;	O
last	O
order	O
date	O
February	O
28	O
,	O
2014	O
;	O
last	O
ship	O
date	O
August	O
31	O
,	O
2014	O
.	O
</s>
<s>
Sun	O
's	O
OEM	O
partners	O
produced	O
Wi-Fi	O
notebook	B-Device
versions	O
of	O
Sun	B-Protocol
Ray	I-Protocol
:	O
</s>
<s>
The	O
Sun	B-Protocol
Ray	I-Protocol
1	O
clients	O
initially	O
used	O
a	O
100	O
MHz	O
MicroSPARC	B-Device
IIep	I-Device
processor	O
,	O
followed	O
by	O
a	O
custom	O
SoC	B-Architecture
version	O
codenamed	O
Copernicus	O
(	O
US	O
6,993,617	O
B2	O
)	O
,	O
which	O
was	O
based	O
on	O
the	O
MicroSPARC	B-Device
IIep	I-Device
core	O
,	O
but	O
added	O
4	O
MiB	O
of	O
on-chip	O
DRAM	O
,	O
USB	O
,	O
and	O
a	O
smart	O
card	O
interface	O
in	O
addition	O
to	O
the	O
memory	O
controller	O
and	O
PCI	O
interface	O
already	O
on	O
the	O
MicroSPARC	B-Device
IIep	I-Device
.	O
</s>
<s>
The	O
Sun	B-Protocol
Ray	I-Protocol
2	I-Protocol
and	O
3	O
clients	O
use	O
the	O
MIPS	O
architecture-based	O
RMI	B-Device
Alchemy	I-Device
Au1550	I-Device
processor	I-Device
.	O
</s>
<s>
A	O
pure	O
software	O
implementation	O
,	O
Sun	O
Desktop	O
Access	O
Client	O
,	O
was	O
introduced	O
as	O
part	O
of	O
Sun	B-Protocol
Ray	I-Protocol
Software	O
5	O
(	O
SRS5	O
)	O
.	O
</s>
<s>
This	O
was	O
later	O
rebranded	O
by	O
Oracle	B-Application
as	O
Oracle	B-Application
Virtual	O
Desktop	O
Client	O
;	O
it	O
was	O
discontinued	O
along	O
with	O
the	O
Sun	B-Protocol
Ray	I-Protocol
product	O
line	O
in	O
2014	O
.	O
</s>
<s>
In	O
commercial	O
environments	O
,	O
Sun	B-Protocol
Rays	I-Protocol
were	O
most	O
commonly	O
deployed	O
as	O
a	O
thin	B-Device
client	I-Device
to	O
access	O
a	O
Microsoft	B-Application
Windows	I-Application
desktop	O
using	O
the	O
SRSS	O
built-in	O
RDP	B-Protocol
client	O
uttsc	O
.	O
</s>
<s>
This	O
setup	O
is	O
flexible	O
and	O
works	O
well	O
in	O
many	O
environments	O
because	O
the	O
intermediate	O
Sun	B-Protocol
Ray	I-Protocol
Server	O
layer	O
is	O
transparent	O
to	O
the	O
Windows	O
desktop	O
.	O
</s>
<s>
If	O
location	O
dependent	O
information	O
needs	O
to	O
be	O
added	O
it	O
is	O
possible	O
to	O
extend	O
the	O
functionality	O
of	O
the	O
Sun	B-Protocol
Ray	I-Protocol
software	O
with	O
additional	O
custom	O
scripts	O
.	O
</s>
<s>
The	O
Sun	B-Protocol
Ray	I-Protocol
Wiki	O
offers	O
a	O
"	O
Follow	O
Me	O
Printing	O
"	O
setup	O
as	O
an	O
example	O
,	O
e.g.	O
</s>
