<s>
IEEE	B-Architecture
1471	I-Architecture
is	O
a	O
superseded	O
IEEE	O
standard	O
for	O
describing	O
the	O
architecture	B-Architecture
of	O
a	O
"	O
software-intensive	O
system	O
"	O
,	O
also	O
known	O
as	O
software	B-Architecture
architecture	I-Architecture
.	O
</s>
<s>
In	O
2011	O
it	O
was	O
superseded	O
by	O
ISO/IEC/IEEE	O
42010	O
,	O
Systems	O
and	O
software	O
engineering	O
—	O
Architecture	B-Architecture
description	I-Architecture
.	O
</s>
<s>
IEEE	B-Architecture
1471	I-Architecture
is	O
the	O
short	O
name	O
for	O
a	O
standard	O
formally	O
known	O
as	O
ANSI/IEEE	O
1471-2000	O
,	O
Recommended	O
Practice	O
for	O
Architecture	B-Architecture
Description	I-Architecture
of	O
Software-Intensive	O
Systems	O
.	O
</s>
<s>
It	O
has	O
long	O
been	O
recognized	O
that	O
"	O
architecture	B-Architecture
"	O
has	O
a	O
strong	O
influence	O
over	O
the	O
life	O
cycle	O
of	O
a	O
system	O
.	O
</s>
<s>
IEEE	B-Architecture
1471	I-Architecture
was	O
created	O
to	O
provide	O
a	O
basis	O
for	O
thinking	O
about	O
the	O
architecture	B-Architecture
of	O
software-intensive	O
systems	O
.	O
</s>
<s>
IEEE	B-Architecture
1471	I-Architecture
's	O
contributions	O
can	O
be	O
summarised	O
as	O
follows	O
(	O
in	O
this	O
list	O
,	O
items	O
in	O
italics	O
are	O
terms	O
defined	O
by	O
and	O
used	O
in	O
the	O
standard	O
)	O
:	O
</s>
<s>
It	O
specifies	O
the	O
notions	O
of	O
view	B-Architecture
and	O
viewpoint	B-Architecture
,	O
where	O
a	O
viewpoint	B-Architecture
identifies	O
the	O
set	O
of	O
concerns	O
and	O
the	O
representations/modeling	O
techniques	O
,	O
etc	O
.	O
</s>
<s>
used	O
to	O
describe	O
the	O
architecture	B-Architecture
to	O
address	O
those	O
concerns	O
and	O
a	O
view	B-Architecture
is	O
the	O
result	O
of	O
applying	O
a	O
viewpoint	B-Architecture
to	O
a	O
particular	O
system	O
.	O
</s>
<s>
It	O
establishes	O
content	O
requirements	O
for	O
architecture	B-Architecture
descriptions	O
and	O
the	O
idea	O
that	O
a	O
conforming	O
architecture	B-Architecture
description	I-Architecture
has	O
a	O
1-to-1	O
correspondence	O
between	O
its	O
viewpoints	O
and	O
its	O
views	O
.	O
</s>
<s>
IEEE	B-Architecture
1471	I-Architecture
provides	O
informative	O
annexes	O
that	O
relate	O
its	O
concepts	O
to	O
architecture	B-Architecture
concepts	O
in	O
other	O
standards	O
,	O
including	O
RM-ODP	B-Operating_System
and	O
IEEE	O
12207	O
.	O
</s>
<s>
In	O
August	O
1995	O
,	O
the	O
IEEE	O
Software	O
Engineering	O
Standards	O
Committee	O
(	O
SESC	O
)	O
chartered	O
an	O
IEEE	O
Architecture	B-Architecture
Planning	O
Group	O
(	O
APG	O
)	O
to	O
set	O
direction	O
for	O
incorporating	O
architectural	O
thinking	O
into	O
IEEE	O
standards	O
.	O
</s>
<s>
In	O
April	O
1996	O
,	O
the	O
Architecture	B-Architecture
Working	O
Group	O
(	O
AWG	O
)	O
was	O
created	O
to	O
implement	O
the	O
recommendations	O
made	O
by	O
APG	O
to	O
the	O
SESC	O
.	O
</s>
<s>
In	O
November	O
2011	O
,	O
IEEE	O
1471-2000	O
and	O
ISO/IEC	O
42010:2007	O
was	O
superseded	O
by	O
ISO/IEC/IEEE	O
42010:2011	O
,	O
Systems	O
and	O
software	O
engineering	O
—	O
Architecture	B-Architecture
description	I-Architecture
.	O
</s>
<s>
According	O
to	O
IEEE	B-Architecture
1471	I-Architecture
an	O
architecture	B-Architecture
description	I-Architecture
can	O
be	O
used	O
for	O
the	O
following	O
:	O
</s>
<s>
architect	O
:	O
The	O
person	O
,	O
team	O
,	O
or	O
organization	O
responsible	O
for	O
designing	O
systems	O
architecture	B-Architecture
.	O
</s>
<s>
architectural	O
description	O
(	O
AD	O
)	O
:	O
A	O
collection	O
of	O
products	O
to	O
document	O
an	O
architecture	B-Architecture
.	O
</s>
<s>
architecture	B-Architecture
:	O
The	O
fundamental	O
organization	O
of	O
a	O
system	O
embodied	O
in	O
its	O
components	O
,	O
their	O
relationships	O
to	O
each	O
other	O
,	O
and	O
to	O
the	O
environment	O
,	O
and	O
the	O
principles	O
guiding	O
its	O
design	O
and	O
evolution	O
.	O
</s>
<s>
designing	O
:	O
The	O
activities	O
of	O
defining	O
,	O
documenting	O
,	O
maintaining	O
,	O
improving	O
,	O
and	O
certifying	O
proper	O
implementation	O
of	O
an	O
architecture	B-Architecture
.	O
</s>
<s>
view	B-Architecture
:	O
A	O
representation	O
of	O
a	O
whole	O
system	O
from	O
the	O
perspective	O
of	O
a	O
related	O
set	O
of	O
concerns	O
.	O
</s>
<s>
viewpoint	B-Architecture
:	O
A	O
specification	O
of	O
the	O
conventions	O
for	O
constructing	O
and	O
using	O
a	O
view	B-Architecture
.	O
</s>
<s>
A	O
pattern	O
or	O
template	O
from	O
which	O
to	O
develop	O
individual	O
views	O
by	O
establishing	O
the	O
purposes	O
and	O
audience	O
for	O
a	O
view	B-Architecture
and	O
the	O
techniques	O
for	O
its	O
creation	O
and	O
analysis	O
.	O
</s>
<s>
IEEE	B-Architecture
1471	I-Architecture
uses	O
the	O
following	O
conceptual	O
framework	O
.	O
</s>
<s>
Every	O
system	O
has	O
an	O
architecture	B-Architecture
,	O
whether	O
understood	O
or	O
not	O
;	O
whether	O
recorded	O
or	O
conceptual	O
.	O
</s>
<s>
An	O
architecture	B-Architecture
can	O
be	O
recorded	O
by	O
an	O
architectural	O
description	O
.	O
</s>
<s>
Each	O
view	B-Architecture
addresses	O
one	O
or	O
more	O
of	O
the	O
concerns	O
of	O
the	O
system	O
stakeholders	O
.	O
</s>
<s>
A	O
view	B-Architecture
is	O
a	O
partial	O
expression	O
of	O
a	O
system	O
’s	O
architecture	B-Architecture
with	O
respect	O
to	O
a	O
particular	O
viewpoint	B-Architecture
.	O
</s>
<s>
A	O
viewpoint	B-Architecture
establishes	O
the	O
conventions	O
by	O
which	O
a	O
view	B-Architecture
is	O
created	O
,	O
depicted	O
and	O
analyzed	O
.	O
</s>
<s>
In	O
this	O
way	O
,	O
a	O
view	B-Architecture
conforms	O
to	O
a	O
viewpoint	B-Architecture
.	O
</s>
<s>
The	O
viewpoint	B-Architecture
determines	O
the	O
languages	O
(	O
including	O
notations	O
,	O
model	O
,	O
or	O
product	O
types	O
)	O
to	O
be	O
used	O
to	O
describe	O
the	O
view	B-Architecture
,	O
and	O
any	O
associated	O
modeling	O
methods	O
or	O
analysis	O
techniques	O
to	O
be	O
applied	O
to	O
these	O
representations	O
of	O
the	O
view	B-Architecture
.	O
</s>
<s>
These	O
languages	O
and	O
techniques	O
are	O
used	O
to	O
yield	O
results	O
relevant	O
to	O
the	O
concerns	O
addressed	O
by	O
the	O
viewpoint	B-Architecture
.	O
</s>
<s>
A	O
viewpoint	B-Architecture
definition	O
may	O
originate	O
with	O
an	O
AD	O
,	O
or	O
it	O
may	O
have	O
been	O
defined	O
elsewhere	O
(	O
a	O
library	O
viewpoint	B-Architecture
)	O
.	O
</s>
<s>
A	O
view	B-Architecture
may	O
consist	O
of	O
one	O
or	O
more	O
architectural	O
models	O
.	O
</s>
<s>
Each	O
such	O
architectural	O
model	O
is	O
developed	O
using	O
the	O
methods	O
established	O
by	O
its	O
associated	O
architectural	O
viewpoint	B-Architecture
.	O
</s>
<s>
An	O
architectural	O
model	O
may	O
participate	O
in	O
more	O
than	O
one	O
view	B-Architecture
.	O
</s>
<s>
IEEE	B-Architecture
1471	I-Architecture
defines	O
a	O
set	O
of	O
normative	O
requirements	O
for	O
conforming	O
architecture	B-Architecture
descriptions	O
,	O
including	O
the	O
following	O
:	O
</s>
