<s>
The	O
OpenFabrics	B-General_Concept
Alliance	I-General_Concept
is	O
a	O
non-profit	O
organization	O
that	O
promotes	O
remote	B-General_Concept
direct	I-General_Concept
memory	I-General_Concept
access	I-General_Concept
(	O
RDMA	B-General_Concept
)	O
switched	B-Architecture
fabric	I-Architecture
technologies	O
for	O
server	O
and	O
storage	O
connectivity	O
.	O
</s>
<s>
The	O
OpenFabrics	B-General_Concept
Alliance	I-General_Concept
aims	O
to	O
develop	O
open-source	B-Application
software	I-Application
that	O
supports	O
the	O
three	O
major	O
RDMA	B-General_Concept
fabric	O
technologies	O
:	O
InfiniBand	B-Architecture
,	O
RDMA	B-Operating_System
over	I-Operating_System
Converged	I-Operating_System
Ethernet	I-Operating_System
(	O
RoCE	O
)	O
and	O
iWARP	B-Device
.	O
</s>
<s>
The	O
software	O
includes	O
two	O
packages	O
,	O
one	O
that	O
runs	O
on	O
Linux	B-Application
and	O
FreeBSD	B-Operating_System
and	O
one	O
that	O
runs	O
on	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
alliance	O
worked	O
with	O
two	O
large	O
Linux	B-Application
distributors	O
—	O
SUSE	O
and	O
Red	O
Hat	O
—	O
as	O
well	O
as	O
Microsoft	O
on	O
compatibility	O
with	O
their	O
operating	O
systems	O
.	O
</s>
<s>
Founded	O
in	O
June	O
2004	O
as	O
the	O
OpenIB	B-General_Concept
Alliance	I-General_Concept
,	O
the	O
organization	O
originally	O
developed	O
an	O
InfiniBand	B-Architecture
software	O
stack	O
for	O
Linux	B-Application
.	O
</s>
<s>
The	O
alliance	O
released	O
the	O
first	O
version	O
of	O
the	O
OpenFabrics	B-General_Concept
Enterprise	I-General_Concept
Distribution	I-General_Concept
(	O
OFED	O
)	O
in	O
2005	O
.	O
</s>
<s>
In	O
2005	O
the	O
OpenIB	B-General_Concept
Alliance	I-General_Concept
announced	O
support	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
In	O
2006	O
,	O
the	O
organization	O
again	O
expanded	O
its	O
charter	O
to	O
include	O
support	O
for	O
iWARP	B-Device
,	O
which	O
is	O
a	O
transport	O
technology	O
that	O
competes	O
with	O
InfiniBand	B-Architecture
.	O
</s>
<s>
At	O
that	O
time	O
the	O
alliance	O
changed	O
its	O
name	O
to	O
the	O
OpenFabrics	B-General_Concept
Alliance	I-General_Concept
.	O
</s>
<s>
Subsequent	O
releases	O
have	O
added	O
support	O
for	O
iWARP	B-Device
and	O
Windows	O
.	O
</s>
<s>
In	O
2011	O
,	O
OFED	O
stack	O
was	O
ported	O
to	O
FreeBSD	B-Operating_System
and	O
included	O
in	O
FreeBSD	B-Operating_System
9	O
.	O
</s>
<s>
The	O
OpenFabrics	B-General_Concept
Alliance	I-General_Concept
provides	O
architectures	O
,	O
software	O
repositories	O
,	O
interoperability	O
tests	O
,	O
bug	O
databases	O
,	O
workshops	O
,	O
and	O
BSD	O
-	O
and	O
GPL-licensed	O
code	O
to	O
facilitate	O
development	O
.	O
</s>
<s>
The	O
OFED	O
stack	O
includes	O
software	O
drivers	O
,	O
core	O
kernel-code	O
,	O
middleware	B-General_Concept
,	O
and	O
user-level	O
interfaces	O
.	O
</s>
<s>
It	O
offers	O
a	O
range	O
of	O
standard	O
protocols	O
,	O
including	O
IPoIB	O
(	O
IP	O
over	O
InfiniBand	B-Architecture
)	O
,	O
SDP	O
,	O
SRP	O
,	O
iSER	O
,	O
RDS	O
and	O
DAPL	O
(	O
the	O
Direct	O
Access	O
Programming	O
Library	O
)	O
.	O
</s>
<s>
It	O
also	O
supports	O
many	O
other	O
protocols	O
,	O
including	O
various	O
MPI	O
implementations	O
,	O
and	O
it	O
supports	O
many	O
file	O
systems	O
,	O
including	O
Lustre	O
and	O
NFS	O
over	O
RDMA	B-General_Concept
.	O
</s>
<s>
On	O
June	O
25	O
,	O
2007	O
,	O
the	O
OpenFabrics	B-General_Concept
Alliance	I-General_Concept
announced	O
the	O
OFA-UNH-IOL	O
Logo	O
Program	O
in	O
partnership	O
with	O
the	O
University	O
of	O
New	O
Hampshire	O
InterOperability	O
Laboratory	O
.	O
</s>
<s>
The	O
program	O
enables	O
manufacturers	O
of	O
InfiniBand	B-Architecture
and	O
iWARP	B-Device
products	O
to	O
test	O
and	O
certify	O
that	O
their	O
products	O
support	O
the	O
OpenFabrics	B-General_Concept
software	O
stack	O
,	O
and	O
test	O
their	O
compatibility	O
with	O
other	O
products	O
.	O
</s>
<s>
Corporate	O
members	O
of	O
the	O
OpenFabrics	B-General_Concept
Alliance	I-General_Concept
include	O
Advanced	O
Micro	O
Devices	O
,	O
Appro	O
,	O
Broadcom	O
,	O
Cray	O
Inc.	O
,	O
Chelsio	O
Communications	O
,	O
Cisco	O
Systems	O
,	O
DataDirect	O
Networks	O
,	O
Emulex	O
,	O
Flextronics	O
,	O
Hewlett	O
Packard	O
,	O
Huawei	O
,	O
IBM	O
,	O
Intel	O
,	O
LSI	O
Corporation	O
,	O
Mellanox	O
Technologies	O
,	O
NetEffect	O
,	O
Neterion	O
,	O
NetApp	O
,	O
NetXen	O
,	O
Oracle	B-Application
Corporation	I-Application
,	O
QLogic	O
,	O
RapidIO	B-General_Concept
,	O
Red	O
Hat	O
,	O
Silicon	O
Graphics	O
,	O
SuSE	O
and	O
System	O
Fabric	O
Works	O
.	O
</s>
<s>
Consulting	O
members	O
include	O
the	O
Ethernet	B-Protocol
Alliance	I-Protocol
,	O
the	O
InfiniBand	B-Architecture
Trade	I-Architecture
Association	I-Architecture
,	O
Lamprey	O
Networks	O
,	O
Ohio	O
State	O
University	O
,	O
and	O
the	O
University	O
of	O
New	O
Hampshire	O
InterOperability	O
Laboratory	O
.	O
</s>
