<s>
Enterprise	B-Architecture
architecture	I-Architecture
planning	I-Architecture
(	O
EAP	O
)	O
in	O
enterprise	O
architecture	O
is	O
the	O
planning	O
process	O
of	O
defining	O
architectures	O
for	O
the	O
use	O
of	O
information	O
in	O
support	O
of	O
the	O
business	O
and	O
the	O
plan	O
for	O
implementing	O
those	O
architectures	O
.	O
</s>
<s>
One	O
of	O
the	O
earlier	O
professional	O
practitioners	O
in	O
the	O
field	O
of	O
system	O
architecture	O
Steven	O
H	O
.	O
Spewak	O
in	O
1992	O
defined	O
Enterprise	B-Architecture
Architecture	I-Architecture
Planning	I-Architecture
(	O
EAP	O
)	O
as	O
"	O
the	O
process	O
of	O
defining	O
architectures	O
for	O
the	O
use	O
of	O
information	O
in	O
support	O
of	O
the	O
business	O
and	O
the	O
plan	O
for	O
implementing	O
those	O
architectures.	O
"	O
</s>
<s>
It	O
does	O
not	O
explain	O
how	O
to	O
define	O
the	O
top	O
two	O
rows	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
in	O
detail	O
but	O
for	O
the	O
sake	O
of	O
the	O
planning	O
exercise	O
,	O
abbreviates	O
the	O
analysis	O
.	O
</s>
<s>
The	O
Zachman	B-Library
Framework	I-Library
provides	O
the	O
broad	O
context	O
for	O
the	O
description	O
of	O
the	O
architecture	O
layers	O
,	O
while	O
EAP	O
focuses	O
on	O
planning	O
and	O
managing	O
the	O
process	O
of	O
establishing	O
the	O
business	O
alignment	O
of	O
the	O
architectures	O
.	O
</s>
<s>
Within	O
the	O
Federal	B-Library
Enterprise	I-Library
Architecture	I-Library
,	O
EAP	O
will	O
be	O
completed	O
segment	O
enterprise	O
by	O
segment	O
enterprise	O
.	O
</s>
<s>
Enterprise	B-Architecture
Architecture	I-Architecture
Planning	I-Architecture
model	O
consists	O
of	O
four	O
levels	O
:	O
</s>
<s>
Level	O
3	O
-	O
the	O
vision	O
of	O
where	O
we	O
want	O
to	O
be	O
:	O
The	O
arrows	O
delineate	O
the	O
basic	O
definition	O
process	O
flow	O
:	O
data	B-General_Concept
architecture	I-General_Concept
,	O
applications	B-Architecture
architecture	I-Architecture
,	O
and	O
technology	O
architecture	O
.	O
</s>
<s>
Data	B-General_Concept
Architecture	I-General_Concept
-	O
Definition	O
of	O
the	O
major	O
kinds	O
of	O
data	O
needed	O
to	O
support	O
the	O
business	O
.	O
</s>
<s>
Applications	B-Architecture
Architecture	I-Architecture
-	O
Definition	O
of	O
the	O
major	O
kinds	O
of	O
applications	O
needed	O
to	O
manage	O
that	O
data	O
and	O
support	O
the	O
business	O
functions	O
.	O
</s>
<s>
The	O
Enterprise	B-Architecture
Architecture	I-Architecture
Planning	I-Architecture
(	O
EAP	O
)	O
methodology	O
is	O
beneficial	O
to	O
understanding	O
the	O
further	O
definition	O
of	O
the	O
Federal	B-Library
Enterprise	I-Library
Architecture	I-Library
Framework	I-Library
at	O
level	O
IV	O
.	O
</s>
<s>
EAP	O
is	O
a	O
how	O
to	O
approach	O
for	O
creating	O
the	O
top	O
two	O
rows	O
of	O
the	O
Zachman	B-Library
Framework	I-Library
,	O
Planner	O
and	O
Owner	O
.	O
</s>
<s>
Federal	B-Library
Enterprise	I-Library
Architecture	I-Library
(	O
FEA	O
)	O
program	O
based	O
on	O
the	O
EAP	O
methodology	O
has	O
largely	O
failed	O
:	O
"	O
Enterprise	O
Architecture	O
within	O
the	O
federal	O
government	O
hasn	O
‘	O
t	O
been	O
working	O
,	O
and	O
far	O
more	O
often	O
than	O
not	O
hasn	O
‘	O
t	O
delivered	O
useful	O
results	O
.	O
</s>
<s>
Even	O
Steven	O
Spewak	O
and	O
Steven	O
Hill	O
(	O
1992	O
)	O
admit	O
that	O
"	O
the	O
vast	O
majority	O
of	O
enterprises	O
that	O
undertake	O
Enterprise	B-Architecture
Architecture	I-Architecture
Planning	I-Architecture
are	O
not	O
successful	O
"	O
(	O
page	O
19	O
)	O
.	O
</s>
