<s>
The	O
JBoss	B-Language
Enterprise	I-Language
Application	I-Language
Platform	I-Language
(	O
or	O
JBoss	B-Language
EAP	I-Language
)	O
is	O
a	O
subscription-based/open	O
-source	O
Java	B-Language
EE-based	O
application	B-Application
server	I-Application
runtime	O
platform	O
used	O
for	O
building	O
,	O
deploying	O
,	O
and	O
hosting	O
highly-transactional	O
Java	B-Language
applications	O
and	O
services	O
developed	O
and	O
maintained	O
by	O
Red	O
Hat	O
.	O
</s>
<s>
The	O
JBoss	B-Language
Enterprise	I-Language
Application	I-Language
Platform	I-Language
is	O
part	O
of	O
Red	O
Hat	O
's	O
Enterprise	O
Middleware	O
portfolio	O
of	O
software	O
.	O
</s>
<s>
Because	O
it	O
is	O
Java-based	O
,	O
the	O
JBoss	B-Language
application	I-Language
server	I-Language
operates	O
across	O
platforms	O
;	O
it	O
is	O
usable	O
on	O
any	O
operating	O
system	O
that	O
supports	O
Java	B-Language
.	O
</s>
<s>
JBoss	B-Language
Enterprise	I-Language
Application	I-Language
Platform	I-Language
was	O
originally	O
called	O
JBoss	B-Language
and	O
was	O
developed	O
by	O
the	O
eponymous	O
company	O
JBoss	B-Language
,	O
acquired	O
by	O
Red	O
Hat	O
in	O
2006	O
.	O
</s>
<s>
Red	O
Hat	O
's	O
latest	O
JBoss	B-Language
EAP	I-Language
version	O
is	O
7	O
,	O
with	O
Cumulative	O
Patches	O
2	O
and	O
Cumulative	O
Patches	O
3	O
(	O
JBoss	B-Language
EAP	I-Language
7.2	O
and	O
JBoss	B-Language
EAP	I-Language
7.3	O
,	O
respectively	O
)	O
.	O
</s>
<s>
JBoss	B-Language
itself	O
is	O
free	O
and	O
open-source	B-Application
,	O
but	O
Red	O
Hat	O
charges	O
to	O
provide	O
a	O
support	O
subscription	O
for	O
JBoss	B-Language
Enterprise	O
Middleware	O
.	O
</s>
<s>
Red	O
Hat	O
allows	O
the	O
use	O
of	O
JBoss	B-Language
EAP	I-Language
for	O
development	O
,	O
but	O
to	O
obtain	O
support	O
in	O
production	O
a	O
support	O
subscription	O
is	O
required	O
and	O
customizations	O
are	O
not	O
supported	O
.	O
</s>
<s>
These	O
products	O
are	O
part	O
of	O
the	O
JBoss	B-Language
Enterprise	O
Middleware	O
portfolio	O
of	O
software	O
,	O
or	O
are	O
included	O
with	O
the	O
JBoss	B-Language
Enterprise	I-Language
Application	I-Language
Platform	I-Language
software	O
.	O
</s>
<s>
JBoss	B-Language
Enterprise	O
Web	O
Platform	O
(	O
or	O
JBoss	B-Language
EWP	O
)	O
This	O
software	O
is	O
a	O
lighter	O
weight	O
version	O
of	O
the	O
JBoss	B-Language
Enterprise	I-Language
Application	I-Language
Platform	I-Language
.	O
</s>
<s>
The	O
key	O
components	O
are	O
essentially	O
the	O
same	O
as	O
the	O
full	O
JBoss	B-Language
Enterprise	I-Language
Application	I-Language
Platform	I-Language
,	O
but	O
uses	O
a	O
slimmed	O
down	O
profile	O
of	O
the	O
JBoss	O
Application	O
Server.Lists	O
of	O
components	O
and	O
standards	O
supported	O
are	O
available	O
.	O
</s>
<s>
JBoss	B-Language
Enterprise	B-Application
Portal	I-Application
Platform	O
(	O
or	O
JBoss	B-Language
EPP	O
)	O
This	O
software	O
is	O
an	O
enterprise	B-Application
portal	I-Application
with	O
the	O
core	O
portal	O
features	O
of	O
presentation	O
,	O
master	O
page	O
objects	O
,	O
containers	O
,	O
and	O
a	O
repository	O
,	O
and	O
also	O
an	O
optional	O
site	O
publisher.Key	O
components	O
:	O
</s>
<s>
GateIn	O
Portal	O
–	O
both	O
an	O
enterprise	O
web	O
portal	O
and	O
also	O
a	O
portal	B-Application
framework	I-Application
to	O
build	O
upon	O
.	O
</s>
<s>
GateIn	O
Portal	O
includes	O
support	O
for	O
Web	O
Services	O
for	O
Remote	O
Portlets	B-Language
(	O
WSRP	O
)	O
,	O
Java	B-Protocol
Content	I-Protocol
Repository	I-Protocol
(	O
JCR	B-Protocol
)	O
,	O
Single	O
Sign-On	O
(	O
SSO	O
)	O
,	O
and	O
OpenSocial	B-Application
gadgets	O
.	O
</s>
<s>
JBoss	B-Language
Portlet	B-Language
Bridge	O
–	O
a	O
non-final	O
draft	O
implementation	O
of	O
the	O
JSR-301	O
and	O
JSR-329	O
specifications	O
that	O
support	O
JavaServer	B-Language
Faces	I-Language
(	O
JSF	O
)	O
within	O
a	O
JSR-286	B-Language
portlet	B-Language
.	O
</s>
<s>
This	O
software	O
also	O
supports	O
other	O
web	B-Application
frameworks	I-Application
such	O
as	O
JBoss	B-Operating_System
Seam	I-Operating_System
and	O
RichFaces	B-Language
to	O
run	O
inside	O
a	O
portlet	B-Language
.	O
</s>
<s>
JBoss	B-Language
EPP	O
implements	O
the	O
standards	O
for	O
Portlet	B-Language
2.0	I-Language
(	O
JSR-286	B-Language
)	O
,	O
JCR	B-Protocol
(	O
JSR-170	B-Protocol
)	O
,	O
OASIS	O
WSRP	O
1.0	O
,	O
and	O
OpenSocial	B-Application
.	O
</s>
<s>
The	O
GateIn	O
project	O
is	O
a	O
merge	O
of	O
JBoss	B-Language
Portal	O
2.7	O
and	O
eXo	O
Portal	O
2.5	O
that	O
produced	O
GateIn	O
Portal	O
3.0	O
,	O
and	O
also	O
the	O
related	O
projects	O
GateIn	O
Portlet	B-Language
Container	I-Language
,	O
eXo	O
JCR	B-Protocol
,	O
and	O
JBoss	B-Language
Portlet	B-Language
Bridge	O
.	O
</s>
<s>
JBoss	B-Language
Enterprise	O
Web	O
Server	O
(	O
or	O
JBoss	B-Language
EWS	O
)	O
This	O
software	O
is	O
a	O
platform	O
for	O
lightweight	O
Java	B-Language
applications	O
,	O
but	O
also	O
handles	O
large	O
scale	O
websites	O
.	O
</s>
<s>
JBoss	B-Language
EWS	O
may	O
be	O
deployed	O
as	O
a	O
standard	O
enterprise	O
web	O
server	O
,	O
a	O
simple	O
Java	B-Language
application	B-Application
server	I-Application
,	O
or	O
an	O
enterprise	O
open	O
source	O
application	O
infrastructure.Key	O
components	O
:	O
</s>
<s>
JBoss	B-Language
Web	B-Application
Framework	I-Application
KitThis	O
software	O
is	O
a	O
set	O
of	O
web	B-Application
frameworks	I-Application
used	O
for	O
building	O
light	O
and	O
rich	O
Java	B-Language
applications.Components	O
:	O
</s>
<s>
JBoss	B-Language
Cache	B-General_Concept
(	O
or	O
JBC	O
)	O
This	O
software	O
implements	O
a	O
cache	B-General_Concept
for	O
frequently	O
accessed	O
Java	B-Language
objects	O
to	O
improve	O
application	O
performance	O
.	O
</s>
<s>
The	O
cache	B-General_Concept
can	O
be	O
replicated	O
and	O
transactional	O
.	O
</s>
<s>
The	O
cache	B-General_Concept
can	O
be	O
replicated	O
across	O
one	O
or	O
more	O
Java	B-Language
Virtual	I-Language
Machines	I-Language
(	O
JVM	B-Language
)	O
across	O
a	O
network	O
.	O
</s>
<s>
The	O
cache	B-General_Concept
can	O
be	O
transactional	O
because	O
a	O
JTA	B-Language
compliant	O
transaction	O
manager	O
can	O
be	O
configured	O
and	O
make	O
any	O
cache	B-General_Concept
interaction	O
transactional	O
.	O
</s>
<s>
The	O
two	O
types	O
of	O
JBoss	B-Language
Cache	B-General_Concept
are	O
Core	O
and	O
POJO	B-General_Concept
,	O
with	O
the	O
POJO	B-General_Concept
library	O
built	O
on	O
top	O
the	O
Core	O
library	O
.	O
</s>
<s>
JBoss	B-Language
NettyThis	O
software	O
is	O
a	O
New	B-Language
I/O	I-Language
(	O
NIO	O
)	O
client-server	O
framework	B-Architecture
for	O
the	O
development	O
of	O
Java	B-Language
network	O
applications	O
such	O
as	O
protocol	O
servers	O
and	O
clients	O
.	O
</s>
<s>
The	O
asynchronous	O
event-driven	B-Application
network	O
application	O
framework	B-Architecture
and	O
tools	O
is	O
used	O
to	O
simplify	O
network	B-Operating_System
programming	I-Operating_System
such	O
as	O
TCP	B-Protocol
and	O
UDP	B-Protocol
socket	O
servers	O
.	O
</s>
<s>
Netty	B-Language
includes	O
an	O
implementation	O
of	O
the	O
reactor	B-Operating_System
pattern	I-Operating_System
of	O
programming	O
.	O
</s>
