<s>
The	O
Devices	B-Protocol
Profile	I-Protocol
for	I-Protocol
Web	I-Protocol
Services	I-Protocol
(	O
DPWS	B-Protocol
)	O
defines	O
a	O
minimal	O
set	O
of	O
implementation	O
constraints	O
to	O
enable	O
secure	O
web	O
service	O
messaging	O
,	O
discovery	O
,	O
description	O
,	O
and	O
eventing	O
on	O
resource-constrained	O
devices	O
.	O
</s>
<s>
Its	O
objectives	O
are	O
similar	O
to	O
those	O
of	O
Universal	B-Application
Plug	I-Application
and	I-Application
Play	I-Application
(	O
UPnP	B-Application
)	O
but	O
,	O
in	O
addition	O
,	O
DPWS	B-Protocol
is	O
fully	O
aligned	O
with	O
Web	O
Services	O
technology	O
and	O
includes	O
numerous	O
extension	O
points	O
allowing	O
for	O
seamless	O
integration	O
of	O
device-provided	O
services	O
in	O
enterprise-wide	O
application	O
scenarios	O
.	O
</s>
<s>
The	O
DPWS	B-Protocol
specification	O
was	O
initially	O
published	O
in	O
May	O
2004	O
and	O
was	O
submitted	O
for	O
standardization	O
to	O
OASIS	O
in	O
July	O
2008	O
.	O
</s>
<s>
DPWS	B-Protocol
1.1	O
was	O
approved	O
as	O
OASIS	O
Standard	O
together	O
with	O
WS-Discovery	O
1.1	O
and	O
SOAP-over-UDP	O
1.1	O
on	O
June	O
30	O
,	O
2009	O
.	O
</s>
<s>
DPWS	B-Protocol
defines	O
an	O
architecture	O
in	O
which	O
devices	O
run	O
two	O
types	O
of	O
services	O
:	O
hosting	O
services	O
and	O
hosted	O
services	O
.	O
</s>
<s>
In	O
addition	O
to	O
these	O
hosted	O
services	O
,	O
DPWS	B-Protocol
specifies	O
a	O
set	O
of	O
built-in	O
services	O
:	O
</s>
<s>
Support	O
of	O
discovery	O
has	O
led	O
some	O
to	O
dub	O
DPWS	B-Protocol
as	O
"	O
the	O
USB	O
for	O
Ethernet.	O
"	O
</s>
<s>
DPWS	B-Protocol
builds	O
on	O
the	O
following	O
core	O
Web	O
Services	O
standards	O
:	O
WSDL	O
1.1	O
,	O
XML	O
Schema	O
,	O
SOAP	B-Application
1.2	O
,	O
WS-Addressing	O
,	O
and	O
further	O
comprises	O
WS-MetadataExchange	O
,	O
WS-Transfer	O
,	O
WS-Policy	O
,	O
WS-Security	O
,	O
WS-Discovery	O
and	O
WS-Eventing	O
.	O
</s>
<s>
Microsoft	O
's	O
Windows	B-Application
Vista	I-Application
and	O
Windows	O
Embedded	O
CE6R2	O
platforms	O
natively	O
integrate	O
DPWS	B-Protocol
with	O
a	O
stack	O
called	O
WSDAPI	O
,	O
included	O
as	O
part	O
of	O
the	O
Windows	B-Library
Rally	I-Library
technologies	O
.	O
</s>
<s>
Support	O
for	O
OSGi	B-Application
is	O
on	O
the	O
way	O
.	O
</s>
<s>
Because	O
DPWS	B-Protocol
supports	O
dynamic	O
discovery	O
,	O
and	O
is	O
part	O
of	O
the	O
evolving	O
vision	O
of	O
distributed	O
applications	O
that	O
leverage	O
WS-*	O
standards	O
,	O
its	O
application	O
to	O
automation	O
environments	O
is	O
clear	O
.	O
</s>
<s>
At	O
the	O
2007	O
Consumer	O
Electronics	O
Show	O
,	O
a	O
“	O
Next	O
Gen	O
”	O
home	O
was	O
highlighted	O
by	O
an	O
automation	O
system	O
,	O
Life|ware	O
from	O
Exceptional	O
Innovation	O
,	O
that	O
uses	O
DPWS	B-Protocol
to	O
communicate	O
with	O
a	O
lighting	O
system	O
,	O
audio	O
distribution	O
system	O
,	O
security	O
system	O
,	O
motorized	O
shades	O
,	O
security	O
cameras	O
,	O
thermostats	O
,	O
washers	O
and	O
dryers	O
,	O
and	O
a	O
motorized	O
television	O
mount	O
.	O
</s>
<s>
For	O
many	O
manufacturers	O
,	O
the	O
first	O
step	O
towards	O
DPWS	B-Protocol
adoption	O
is	O
the	O
creation	O
of	O
a	O
small	O
“	O
device	O
bridge	O
”	O
between	O
their	O
native	O
,	O
usually	O
proprietary	O
,	O
code	O
and	O
Web	O
Services	O
.	O
</s>
<s>
At	O
least	O
117	O
automation	O
and	O
AV	O
products	O
from	O
37	O
different	O
vendors	O
currently	O
support	O
DPWS	B-Protocol
either	O
natively	O
or	O
through	O
a	O
bridge	O
.	O
</s>
<s>
At	O
the	O
International	O
Security	O
Controls	O
(	O
ISC	O
)	O
trade	O
show	O
,	O
a	O
major	O
security	O
company	O
demonstrated	O
a	O
security	O
system	O
that	O
supported	O
DPWS	B-Protocol
,	O
while	O
the	O
Kitchen	O
and	O
Bath	O
Show	O
(	O
KBIS	O
)	O
saw	O
two	O
major	O
appliance	O
manufacturers	O
demonstrating	O
washers	O
and	O
dryers	O
that	O
communicated	O
using	O
DPWS	B-Protocol
.	O
</s>
<s>
An	O
even	O
greater	O
sign	O
of	O
the	O
drive	O
towards	O
market	O
acceptance	O
of	O
DPWS	B-Protocol
is	O
the	O
introduced-in-2006	O
"	O
ConnectedLife.Home	O
"	O
home	O
automation	O
package	O
offered	O
by	O
US	O
retailer	O
Best	O
Buy	O
.	O
</s>
<s>
The	O
package	O
uses	O
automation	O
software	O
and	O
controllable	O
devices	O
that	O
leverage	O
DPWS	B-Protocol
for	O
communications	O
.	O
</s>
<s>
Within	O
the	O
project	O
,	O
under	O
the	O
auspices	O
of	O
the	O
European	O
research	O
initiative	O
ITEA	O
,	O
Schneider	O
Electric	O
produced	O
an	O
early	O
DPWS	B-Protocol
implementation	O
targeted	O
at	O
embedded	O
devices	O
.	O
</s>
<s>
This	O
implementation	O
was	O
open-sourced	O
through	O
the	O
SOA4D.org	O
(	O
SOA	O
for	O
Devices	O
)	O
Website	O
,	O
from	O
which	O
the	O
DPWS	B-Protocol
stack	O
(	O
both	O
C	O
and	O
Java	B-Language
versions	O
)	O
and	O
its	O
add-ons	O
(	O
like	O
WS-Management	O
and	O
WS-Security	O
implementations	O
)	O
can	O
be	O
freely	O
downloaded	O
.	O
</s>
<s>
Also	O
stemming	O
from	O
the	O
SIRENA	O
project	O
,	O
the	O
"	O
Web	O
Services	O
for	O
Devices	O
"	O
(	O
WS4D.org	O
)	O
website	O
provides	O
information	O
,	O
downloads	O
and	O
news	O
about	O
three	O
DPWS	B-Protocol
implementations	O
:	O
one	O
C	O
implementation	O
integrating	O
gSOAP	O
,	O
one	O
Java	B-Language
implementation	O
using	O
Axis	O
,	O
and	O
another	O
Java	B-Language
implementation	O
that	O
can	O
use	O
different	O
Java	B-Language
editions	O
,	O
including	O
Java	B-Language
ME	O
.	O
</s>
<s>
Following	O
the	O
SIRENA	O
project	O
,	O
a	O
new	O
European	O
research	O
project	O
from	O
ITEA	O
,	O
named	O
SODA	O
(	O
Service	O
Oriented	O
Device	O
and	O
Delivery	O
Architecture	O
)	O
,	O
went	O
further	O
into	O
the	O
development	O
and	O
implementation	O
of	O
an	O
embedded	O
DPWS	B-Protocol
stack	O
for	O
devices	O
and	O
associated	O
tools	O
.	O
</s>
<s>
The	O
EU	O
Research	O
Project	O
composed	O
by	O
heavyweights	O
like	O
ABB	O
,	O
SAP	O
,	O
Schneider	O
Electric	O
,	O
and	O
Siemens	O
,	O
are	O
focusing	O
on	O
implementing	O
,	O
testing	O
and	O
piloting	O
prototypes	O
of	O
DPWS-enabled	O
devices	O
in	O
the	O
industrial	O
automation	O
domain	O
.	O
</s>
<s>
There	O
are	O
several	O
proposals	O
and/or	O
projects	O
having	O
worked	O
on	O
an	O
integration	O
of	O
DPWS	B-Protocol
with	O
OSGi	B-Application
,	O
i.e.	O
</s>
<s>
mainly	O
providing	O
an	O
implementation	O
for	O
this	O
Java	B-Language
framework	O
.	O
</s>
