<s>
In	O
information	B-General_Concept
technology	I-General_Concept
,	O
high-availability	B-Application
application	I-Application
architecture	I-Application
is	O
a	O
process	O
followed	O
when	O
implementing	O
a	O
new	O
application	B-Application
into	O
an	O
existing	O
business-wide	O
computer	O
system	O
or	O
ERP	O
while	O
minimizing	O
downtime	O
.	O
</s>
<s>
In	O
the	O
above	O
definition	O
,	O
high	O
availability	O
is	O
"	O
a	O
design	O
and	O
implementation	O
that	O
ensures	O
a	O
certain	O
degree	O
of	O
operational	O
continuity	O
"	O
,	O
and	O
application	B-Architecture
architecture	I-Architecture
refers	O
to	O
the	O
actual	O
concept	O
and	O
design	O
of	O
implementing	O
a	O
new	O
configuration	O
into	O
the	O
particular	O
system	O
.	O
</s>
<s>
Following	O
the	O
application	B-Architecture
architecture	I-Architecture
guidelines	O
will	O
greatly	O
reduce	O
the	O
potential	O
downtime	O
when	O
implementing	O
a	O
new	O
configuration	O
into	O
an	O
existing	O
system	O
.	O
</s>
<s>
There	O
are	O
three	O
stages	O
that	O
an	O
application	B-Application
must	O
go	O
through	O
before	O
it	O
"	O
goes	O
live.	O
"	O
</s>
<s>
The	O
development	O
stage	O
is	O
where	O
program	B-Application
changes	O
,	O
and	O
configuration	O
settings	O
are	O
modified	O
to	O
meet	O
the	O
needs	O
of	O
the	O
new	O
or	O
existing	O
system	O
.	O
</s>
<s>
During	O
the	O
quality	O
assurance	O
stage	O
the	O
configuration	O
settings	O
,	O
and	O
program	B-Application
changes	O
that	O
impact	O
the	O
application	B-Application
are	O
tested	O
.	O
</s>
<s>
If	O
any	O
faults	B-General_Concept
are	O
detected	O
,	O
they	O
are	O
corrected	O
during	O
this	O
stage	O
.	O
</s>
<s>
The	O
final	O
stage	O
that	O
the	O
application	B-Application
enters	O
is	O
the	O
production	O
stage	O
,	O
which	O
entails	O
the	O
actual	O
system	O
that	O
a	O
company	O
runs	O
its	O
business	O
on	O
.	O
</s>
<s>
The	O
transport	O
directory	O
serves	O
as	O
a	O
compiler	B-Language
for	O
all	O
of	O
the	O
changes	O
to	O
the	O
application	B-Application
that	O
occur	O
through	O
the	O
stages	O
.	O
</s>
<s>
When	O
the	O
application	B-Application
is	O
released	O
for	O
production	O
,	O
it	O
will	O
be	O
delivered	O
out	O
of	O
the	O
transport	O
directory	O
.	O
</s>
