<s>
The	O
Logging	B-General_Concept
Open	I-General_Concept
Service	I-General_Concept
Interface	I-General_Concept
Definition	I-General_Concept
(	O
OSID	B-Architecture
)	O
is	O
an	O
O.K.I.	O
</s>
<s>
specification	B-Application
which	O
supports	O
a	O
means	O
of	O
reading	O
and	O
writing	O
log	O
files	O
.	O
</s>
<s>
OSIDs	B-Architecture
are	O
programmatic	O
interfaces	O
which	O
comprise	O
a	O
Service	O
Oriented	O
Architecture	O
for	O
designing	O
and	O
building	O
reusable	B-Application
and	O
interoperable	O
software	O
.	O
</s>
<s>
Applications	B-Application
can	O
use	O
this	O
service	O
to	O
record	O
activity	O
for	O
a	O
production	O
system	O
while	O
implementations	O
of	O
other	O
OSIDs	B-Architecture
can	O
use	O
the	O
service	O
to	O
record	O
detailed	O
data	O
during	O
development	O
,	O
debugging	O
,	O
or	O
analyzing	O
performance	O
.	O
</s>
<s>
Many	O
Logging	O
implementations	O
are	O
simply	O
a	O
cover	O
for	O
standard	O
logging	O
techniques	O
such	O
as	O
syslog	B-Protocol
or	O
log4j	B-Application
.	O
</s>
<s>
The	O
use	O
of	O
this	O
OSID	B-Architecture
provides	O
an	O
easy	O
way	O
to	O
replace	O
the	O
logging	O
scheme	O
or	O
combine	O
multiple	O
schemes	O
together	O
into	O
a	O
federated	O
pattern	O
.	O
</s>
