<s>
A	O
single-dealer	B-Application
platform	I-Application
(	O
SDP	O
)	O
is	O
software	O
used	O
by	O
an	O
investment	O
bank	O
dealing	O
in	O
the	O
capital	O
markets	O
to	O
deliver	O
trading	O
and	O
associated	O
services	O
via	O
the	O
web	O
.	O
</s>
<s>
The	O
function	O
of	O
an	O
SDP	O
is	O
to	O
integrate	O
pricing	O
,	O
liquidity	O
,	O
and	O
information	O
from	O
multiple	O
sources	O
within	O
a	O
bank	O
and	O
provide	O
access	O
to	O
them	O
via	O
a	O
single	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
It	O
is	O
thus	O
both	O
an	O
integration	O
platform	O
and	O
a	O
delivery	B-Protocol
platform	I-Protocol
.	O
</s>
<s>
Single-dealer	B-Application
platforms	I-Application
should	O
not	O
be	O
confused	O
with	O
single-dealer	O
portals	O
.	O
</s>
<s>
A	O
single-dealer	B-Application
platform	I-Application
,	O
by	O
contrast	O
,	O
is	O
a	O
broad	O
layer	O
of	O
software	O
that	O
allows	O
a	O
bank	O
to	O
offer	O
integrated	O
information	O
and	O
trading	O
across	O
most	O
or	O
all	O
of	O
its	O
businesses	O
.	O
</s>
<s>
Single-dealer	B-Application
platforms	I-Application
are	O
sometimes	O
also	O
referred	O
to	O
as	O
"	O
single	B-Application
bank	I-Application
platforms	I-Application
"	O
.	O
</s>
<s>
In	O
the	O
absence	O
of	O
any	O
established	O
frameworks	O
,	O
early	O
SDPs	O
were	O
usually	O
built	O
in	O
an	O
ad	O
hoc	O
fashion	O
,	O
often	O
using	O
Java	B-Application
applets	I-Application
to	O
deliver	O
a	O
user	B-Application
interface	I-Application
via	O
the	O
Web	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
the	O
decade	O
the	O
use	O
of	O
Java	B-Application
applets	I-Application
started	O
to	O
decline	O
sharply	O
,	O
in	O
favor	O
of	O
rich	B-Application
Internet	I-Application
application	I-Application
(	O
RIA	O
)	O
technologies	O
such	O
as	O
native	O
web	B-Application
applications	I-Application
,	O
Flash	B-Operating_System
and	O
Silverlight	B-Application
.	O
</s>
<s>
HTML5	B-Application
has	O
become	O
the	O
technology	O
of	O
choice	O
for	O
SDPs	O
from	O
2012	O
when	O
vendors	O
such	O
as	O
Microsoft	O
and	O
Adobe	O
Systems	O
,	O
who	O
previously	O
promoted	O
their	O
own	O
technologies	O
,	O
moved	O
to	O
support	O
the	O
new	O
standard	O
.	O
</s>
