<s>
Apache	B-Language
Synapse	I-Language
is	O
a	O
simple	O
,	O
lightweight	O
and	O
high	O
performance	O
open	O
source	O
enterprise	B-Application
service	I-Application
bus	I-Application
(	O
ESB	O
)	O
and	O
mediation	O
engine	O
.	O
</s>
<s>
After	O
implementing	O
extensive	O
support	O
for	O
legacy	B-Device
systems	I-Device
integration	O
,	O
it	O
moved	O
to	O
a	O
Top	O
Level	O
Project	O
of	O
the	O
Apache	O
Software	O
Foundation	O
on	O
the	O
February	O
5	O
,	O
2008	O
.	O
</s>
<s>
Apache	B-Language
Synapse	I-Language
is	O
released	O
under	O
the	O
Apache	B-Application
License	I-Application
.	O
</s>
<s>
Existing	O
services	O
may	O
be	O
SOAP	B-Application
,	O
POX/REST	O
services	O
over	O
HTTP/S	O
,	O
as	O
well	O
as	O
SOAP	B-Application
or	O
legacy	O
services	O
over	O
JMS	B-Language
,	O
Apache	O
VFS	B-Application
file	I-Application
systems	I-Application
(	O
e.g.	O
</s>
<s>
SFTP	B-Protocol
,	O
FTP	B-Protocol
,	O
file	O
,	O
zip/tar/gz	O
,	O
webdav	B-Protocol
,	O
SMB	B-Operating_System
,	O
etc	O
.	O
</s>
<s>
POP3	B-Protocol
,	O
IMAP	B-Protocol
,	O
SMTP	B-Protocol
)	O
,	O
Financial	B-Protocol
Information	I-Protocol
eXchange	I-Protocol
(	O
FIX	O
)	O
,	O
Hessian	O
,	O
AMQP	B-Operating_System
etc	O
.	O
</s>
<s>
The	O
proxy	O
services	O
allows	O
switching	O
of	O
transport	O
,	O
interface	O
(	O
WSDL/Schema/Policy	O
)	O
,	O
message	O
format	O
(	O
SOAP	B-Application
1.1	O
,	O
1.2/POX/REST	O
,	O
Text	O
,	O
Binary/Hessian	O
etc	O
.	O
</s>
<s>
Synapse	O
has	O
implemented	O
a	O
non-blocking	O
HTTP/S	O
transport	O
implementation	O
over	O
the	O
Apache	O
HttpComponents/NIO	O
module	O
to	O
handle	O
thousands	O
of	O
concurrent	O
requests	O
using	O
little	O
resources	O
and	O
threads	O
.	O
</s>
