<s>
OpenResty	B-Language
is	O
an	O
nginx	B-Operating_System
distribution	O
which	O
includes	O
the	O
LuaJIT	B-Application
interpreter	O
for	O
Lua	B-Language
scripts	I-Language
.	O
</s>
<s>
It	O
was	O
originally	O
sponsored	O
by	O
Taobao	O
before	O
2011	O
and	O
was	O
mainly	O
supported	O
by	O
Cloudflare	B-Application
from	O
2012	O
to	O
2016	O
.	O
</s>
<s>
Since	O
2017	O
,	O
it	O
has	O
been	O
mainly	O
supported	O
by	O
OpenResty	B-Language
Software	O
Foundation	O
and	O
OpenResty	B-Language
Inc	O
.	O
</s>
<s>
OpenResty	B-Language
is	O
designed	O
to	O
build	O
scalable	O
web	O
applications	O
,	O
web	O
services	O
,	O
and	O
dynamic	O
web	O
gateways	O
.	O
</s>
<s>
The	O
OpenResty	B-Language
architecture	O
is	O
based	O
on	O
several	O
nginx	B-Operating_System
modules	B-Architecture
which	O
have	O
been	O
extended	O
in	O
order	O
to	O
expand	O
nginx	B-Operating_System
into	O
a	O
web	O
app	B-Application
server	I-Application
to	O
handle	O
large	O
number	O
of	O
requests	O
.	O
</s>
<s>
OpenResty	B-Language
aims	O
to	O
run	O
Lua	B-Language
server-side	O
applications	O
completely	O
in	O
the	O
Nginx	B-Operating_System
server	O
,	O
leveraging	O
its	O
event	O
model	O
to	O
do	O
non-blocking	O
I/O	O
not	O
only	O
for	O
client	O
connections	O
,	O
but	O
also	O
with	O
remote	O
resources	O
,	O
such	O
as	O
databases	O
.	O
</s>
<s>
In	O
October	O
2007	O
,	O
OpenResty	B-Language
began	O
at	O
Yahoo	O
!	O
</s>
<s>
China	O
as	O
an	O
Open	B-Application
API	I-Application
web	O
service	O
framework	O
written	O
mostly	O
in	O
Perl	B-Language
.	O
</s>
<s>
In	O
September	O
2009	O
,	O
OpenResty	B-Language
was	O
redeveloped	O
at	O
Taobao	O
as	O
ngx_openresty	O
,	O
a	O
Lua	B-Language
application	B-Application
server	I-Application
based	O
upon	O
an	O
extended	O
repackaging	O
of	O
nginx	B-Operating_System
and	O
LuaJIT	B-Application
with	O
plug-in	B-Application
server	O
extension	O
modules	B-Architecture
written	O
in	O
C	B-Language
.	O
</s>
