<s>
mod_lisp	O
is	O
an	O
extension	O
module	O
for	O
the	O
Apache	B-Application
HTTP	I-Application
Server	I-Application
.	O
</s>
<s>
It	O
enables	O
Apache	B-Application
to	O
interface	O
with	O
application	B-Application
servers	I-Application
written	O
in	O
Common	B-Language
Lisp	I-Language
,	O
making	O
it	O
possible	O
to	O
dynamically	O
generate	O
web	O
pages	O
and	O
provide	O
web	B-Application
applications	I-Application
with	O
Common	B-Language
Lisp	I-Language
programs	O
.	O
</s>
<s>
Unlike	O
other	O
projects	O
,	O
such	O
as	O
mod_perl	O
and	O
mod_python	O
,	O
mod_lisp	O
does	O
not	O
embed	O
a	O
Common	B-Language
Lisp	I-Language
interpreter	O
in	O
Apache	B-Application
.	O
</s>
<s>
In	O
concept	O
it	O
is	O
closer	O
to	O
FastCGI	O
,	O
handling	O
requests	O
by	O
serializing	B-Application
them	O
into	O
a	O
textual	O
representation	O
and	O
sending	O
that	O
over	O
a	O
socket	O
to	O
a	O
persistent	O
Common	B-Language
Lisp	I-Language
program	O
,	O
and	O
then	O
sending	O
the	O
Common	B-Language
Lisp	I-Language
system	O
's	O
response	O
to	O
a	O
client	O
.	O
</s>
<s>
The	O
client	O
may	O
be	O
a	O
web	O
browser	O
,	O
but	O
is	O
more	O
likely	O
to	O
be	O
a	O
reverse	B-General_Concept
proxy	I-General_Concept
server	O
.	O
</s>
<s>
The	O
source	O
(	O
FreeBSD	B-Operating_System
style	I-Operating_System
license	I-Operating_System
)	O
,	O
Common	B-Language
Lisp	I-Language
examples	O
and	O
pre-compiled	O
binaries	O
for	O
FreeBSD	B-Operating_System
,	O
Linux	B-Application
and	O
Win32	B-Library
are	O
available	O
on	O
the	O
mod_lisp	O
web	O
site	O
.	O
</s>
