<s>
Big	B-Application
bang	I-Application
adoption	I-Application
or	O
direct	B-Application
changeover	I-Application
is	O
when	O
a	O
new	O
system	O
is	O
adopted	B-Application
instantly	O
,	O
with	O
no	O
transition	O
period	O
between	O
the	O
old	O
and	O
new	O
systems	O
.	O
</s>
<s>
When	O
a	O
new	O
system	O
needs	O
to	O
be	O
implemented	O
in	O
an	O
organization	O
,	O
there	O
are	O
three	O
different	O
ways	O
to	O
adopt	O
this	O
new	O
system	O
:	O
the	O
big	B-Application
bang	I-Application
adoption	I-Application
,	O
phased	B-Application
adoption	I-Application
and	O
parallel	B-Application
adoption	I-Application
.	O
</s>
<s>
In	O
case	O
of	O
parallel	B-Application
adoption	I-Application
the	O
old	O
and	O
the	O
new	O
system	O
are	O
running	O
parallel	O
,	O
so	O
all	O
the	O
users	O
can	O
get	O
used	O
to	O
the	O
new	O
system	O
,	O
and	O
meanwhile	O
do	O
their	O
work	O
using	O
the	O
old	O
system	O
.	O
</s>
<s>
Phased	B-Application
adoption	I-Application
means	O
that	O
the	O
adoption	O
will	O
happen	O
in	O
several	O
phases	O
,	O
so	O
after	O
each	O
phase	O
the	O
system	O
is	O
a	O
little	O
nearer	O
to	O
be	O
fully	O
adopted	B-Application
.	O
</s>
<s>
With	O
the	O
big	B-Application
bang	I-Application
adoption	I-Application
,	O
the	O
switch	O
between	O
using	O
the	O
old	O
system	O
and	O
using	O
the	O
new	O
system	O
happens	O
at	O
one	O
single	O
date	O
,	O
the	O
so-called	O
instant	O
changeover	O
of	O
the	O
system	O
.	O
</s>
<s>
The	O
advantage	O
of	O
a	O
big	B-Application
bang	I-Application
adoption	I-Application
is	O
that	O
the	O
new	O
system	O
does	O
not	O
need	O
to	O
be	O
compatible	O
or	O
connected	O
with	O
any	O
old	O
systems	O
it	O
is	O
replacing	O
.	O
</s>
<s>
However	O
,	O
the	O
big	B-Application
bang	I-Application
adoption	I-Application
type	O
is	O
riskier	O
than	O
other	O
adoption	O
types	O
because	O
there	O
are	O
fewer	O
learning	O
opportunities	O
incorporated	O
in	O
the	O
approach	O
,	O
so	O
more	O
preparation	O
is	O
needed	O
to	O
get	O
to	O
the	O
big	O
bang	O
.	O
</s>
<s>
This	O
preparation	O
will	O
be	O
described	O
below	O
,	O
illustrated	O
by	O
the	O
process-data	O
model	O
of	O
the	O
big	B-Application
bang	I-Application
adoption	I-Application
.	O
</s>
<s>
If	O
the	O
data	O
is	O
not	O
valid	O
,	O
the	O
management	O
need	O
to	O
determine	O
the	O
changes	O
again	O
and	O
the	O
organisation	O
will	O
have	O
to	O
prepare	O
a	O
different	O
way	O
of	O
executing	O
the	O
Big	B-Application
bang	I-Application
adoption	I-Application
.	O
</s>
<s>
Next	O
,	O
the	O
produced	O
application	B-Application
needs	O
to	O
be	O
released	O
,	O
so	O
the	O
new	O
application	B-Application
can	O
also	O
be	O
used	O
.	O
</s>
<s>
SAP	B-Application
Implementation	O
is	O
another	O
technique	O
specialized	O
in	O
implementing	O
and	O
adopting	O
SAP	B-Application
AG	I-Application
software	O
,	O
which	O
is	O
divided	O
into	O
several	O
techniques	O
.	O
</s>
<s>
To	O
adopt	O
this	O
new	O
ERP-system	O
,	O
they	O
used	O
the	O
big	B-Application
bang	I-Application
adoption	I-Application
type	O
and	O
they	O
spent	O
considerable	O
time	O
and	O
effort	O
reexamining	O
its	O
business	O
processes	O
.	O
</s>
<s>
FoxMeyer	O
adopted	B-Application
an	O
ERP-system	O
with	O
ambitious	O
warehouse	O
automation	O
software	O
,	O
using	O
the	O
big	B-Application
bang	I-Application
adoption	I-Application
to	O
gain	O
competitive	O
advantage	O
.	O
</s>
