<s>
The	O
OpenBMC	B-Application
project	O
is	O
a	O
Linux	B-Operating_System
Foundation	I-Operating_System
collaborative	O
open-source	B-License
project	O
whose	O
goal	O
is	O
to	O
produce	O
an	O
open	B-License
source	I-License
implementation	O
of	O
the	O
baseboard	B-Device
management	I-Device
controllers	I-Device
(	O
BMC	O
)	O
firmware	O
stack	O
.	O
</s>
<s>
OpenBMC	B-Application
is	O
a	O
Linux	B-Application
distribution	I-Application
for	O
BMCs	O
meant	O
to	O
work	O
across	O
heterogeneous	O
systems	O
that	O
include	O
enterprise	O
,	O
high-performance	B-Architecture
computing	I-Architecture
(	O
HPC	O
)	O
,	O
telecommunications	O
,	O
and	O
cloud-scale	O
data	B-Operating_System
centers	I-Operating_System
.	O
</s>
<s>
In	O
2014	O
,	O
four	O
Facebook	B-Application
programmers	O
at	O
a	O
Facebook	B-Application
hackathon	O
event	O
created	O
a	O
prototype	O
open-source	B-License
BMC	O
firmware	O
stack	O
named	O
OpenBMC	B-Application
.	O
</s>
<s>
In	O
2015	O
,	O
IBM	O
collaborated	O
with	O
Rackspace	O
on	O
an	O
open-source	B-License
BMC	O
firmware	O
stack	O
also	O
named	O
OpenBMC	B-Application
.	O
</s>
<s>
In	O
March	O
2018	O
,	O
OpenBMC	B-Application
became	O
a	O
Linux	B-Operating_System
Foundation	I-Operating_System
project	O
and	O
converged	O
on	O
the	O
IBM	O
stack	O
.	O
</s>
<s>
Founding	O
organizations	O
of	O
the	O
OpenBMC	B-Application
project	O
are	O
Microsoft	O
,	O
Intel	O
,	O
IBM	O
,	O
Google	B-Application
,	O
and	O
Facebook	B-Application
.	I-Application
</s>
<s>
In	O
April	O
2019	O
,	O
Arm	O
Holdings	O
joined	O
as	O
the	O
6th	O
member	O
of	O
the	O
OpenBMC	B-Application
technical	O
steering	O
committee	O
.	O
</s>
<s>
OpenBMC	B-Application
uses	O
the	O
Yocto	B-Application
Project	I-Application
as	O
the	O
underlying	O
building	O
and	O
distribution	O
generation	O
framework	O
.	O
</s>
<s>
OpenBMC	B-Application
uses	O
D-Bus	B-Language
as	O
an	O
inter-process	B-Operating_System
communication	I-Operating_System
(	O
IPC	O
)	O
.	O
</s>
<s>
OpenBMC	B-Application
includes	O
a	O
web	B-Application
application	I-Application
for	O
interacting	O
with	O
the	O
firmware	O
stack	O
.	O
</s>
<s>
OpenBMC	B-Application
added	O
Redfish	B-Application
support	O
for	O
hardware	O
management	O
.	O
</s>
<s>
Barreleye	O
G2	O
/	O
Zaius	O
—	O
two-socket	O
server	O
platform	O
using	O
POWER9	B-Device
processors	O
.	O
</s>
<s>
Power	O
Systems	O
AC922	O
also	O
"	O
Witherspoon	O
"	O
or	O
"	O
Newell	O
"	O
—	O
two-socket	O
,	O
2U	O
Accelerated	O
Computing	O
(	O
AC	O
)	O
node	O
using	O
POWER9	B-Device
processors	O
with	O
up	O
to	O
6	O
Nvidia	B-General_Concept
Volta	I-General_Concept
GPUs	O
.	O
</s>
<s>
AC922	O
was	O
used	O
in	O
the	O
U.S.	O
Department	O
of	O
Energy	O
's	O
Sierra	B-Device
and	O
Summit	B-Device
supercomputers	I-Device
.	O
</s>
<s>
u-bmc	O
is	O
a	O
project	O
which	O
is	O
developed	O
parallel	O
to	O
OpenBMC	B-Application
but	O
uses	O
gRPC	B-Application
instead	O
of	O
IPMI	O
.	O
</s>
