<s>
OpenSAF	B-General_Concept
(	O
commonly	O
styled	O
SAF	O
,	O
the	O
Service	O
Availability	O
Framework	O
)	O
is	O
an	O
open-source	B-Application
service-orchestration	O
system	O
for	O
automating	O
computer	B-Application
application	I-Application
deployment	O
,	O
scaling	O
,	O
and	O
management	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
is	O
consistent	O
with	O
,	O
and	O
expands	O
upon	O
,	O
Service	O
Availability	O
Forum	O
(	O
SAF	O
)	O
and	O
SCOPE	B-Application
Alliance	I-Application
standards	O
.	O
</s>
<s>
It	O
was	O
originally	O
designed	O
by	O
Motorola	O
ECC	O
,	O
and	O
is	O
maintained	O
by	O
the	O
OpenSAF	B-General_Concept
Project	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
is	O
the	O
most	O
complete	O
implementation	O
of	O
the	O
SAF	O
AIS	O
specifications	O
,	O
providing	O
a	O
platform	O
for	O
automating	O
deployment	O
,	O
scaling	O
,	O
and	O
operations	O
of	O
application	B-Application
services	O
across	O
clusters	O
of	O
hosts	O
.	O
</s>
<s>
It	O
works	O
across	O
a	O
range	O
of	O
virtualization	B-General_Concept
tools	O
and	O
runs	O
services	O
in	O
a	O
cluster	O
,	O
often	O
integrating	O
with	O
JVM	B-Language
,	O
Vagrant	B-Application
,	O
and/or	O
Docker	B-Language
runtimes	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
originally	O
interfaced	O
with	O
standard	O
C	O
Application	B-Application
Programming	I-Application
interfaces	I-Application
(	O
APIs	B-Application
)	O
,	O
but	O
has	O
added	O
Java	O
and	O
Python	O
bindings	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
is	O
focused	O
on	O
Service	O
Availability	O
beyond	O
High	O
Availability	O
(	O
HA	O
)	O
requirements	O
.	O
</s>
<s>
While	O
little	O
formal	O
research	O
is	O
published	O
to	O
improve	O
high	O
availability	O
and	O
fault	O
tolerance	O
techniques	O
for	O
containers	B-Application
and	O
cloud	O
,	O
research	O
groups	O
are	O
actively	O
exploring	O
these	O
challenges	O
with	O
OpenSAF	B-General_Concept
.	O
</s>
<s>
OpenSAF	B-General_Concept
was	O
founded	O
by	O
an	O
Industry	O
consortium	O
,	O
including	O
Ericsson	O
,	O
HP	O
,	O
and	O
Nokia	O
Siemens	O
Networks	O
,	O
and	O
first	O
announced	O
by	O
Motorola	O
ECC	O
,	O
acquired	O
by	O
Emerson	O
Network	O
Power	O
,	O
on	O
February	O
28	O
,	O
2007	O
.	O
</s>
<s>
The	O
OpenSAF	B-General_Concept
Foundation	O
was	O
officially	O
launched	O
on	O
January	O
22	O
,	O
2008	O
.	O
</s>
<s>
GoAhead	O
Software	O
joined	O
OpenSAF	B-General_Concept
in	O
2010	O
before	O
being	O
acquired	O
by	O
Oracle	B-Application
.	O
</s>
<s>
OpenSAF	B-General_Concept
's	O
development	O
and	O
design	O
are	O
heavily	O
influenced	O
by	O
Mission	B-Application
critical	I-Application
system	O
requirements	O
,	O
including	O
Carrier	B-Application
Grade	I-Application
Linux	I-Application
,	O
SAF	O
,	O
ATCA	O
and	O
Hardware	B-Application
Platform	I-Application
Interface	I-Application
.	O
</s>
<s>
OpenSAF	B-General_Concept
was	O
a	O
milestone	O
in	O
accelerating	O
adoption	O
of	O
Linux	O
in	O
Telecommunications	O
and	O
embedded	O
systems	O
.	O
</s>
<s>
The	O
goal	O
of	O
the	O
Foundation	O
was	O
to	O
accelerate	O
the	O
adoption	O
of	O
OpenSAF	B-General_Concept
in	O
commercial	O
products	O
.	O
</s>
<s>
The	O
OpenSAF	B-General_Concept
community	O
held	O
conferences	O
between	O
2008-2010	O
;	O
the	O
first	O
conference	O
hosted	O
by	O
Nokia	O
Siemens	O
Networks	O
in	O
Munich	O
(	O
Germany	O
)	O
,	O
second	O
hosted	O
by	O
Huawei	O
in	O
Shenzhen	O
(	O
China	O
)	O
,	O
and	O
third	O
hosted	O
by	O
HP	O
in	O
Palo	O
Alto	O
(	O
USA	O
)	O
.	O
</s>
<s>
In	O
February	O
2010	O
,	O
the	O
first	O
commercial	O
deployment	O
of	O
OpenSAF	B-General_Concept
in	O
carrier	O
networks	O
was	O
announced	O
.	O
</s>
<s>
Academic	O
and	O
industry	O
groups	O
have	O
independently	O
published	O
books	O
describing	O
OpenSAF-based	O
solutions	O
.	O
</s>
<s>
A	O
growing	O
body	O
of	O
research	O
in	O
service	O
availability	O
is	O
accelerating	O
the	O
development	O
of	O
OpenSAF	B-General_Concept
features	O
supporting	O
mission-critical	O
cloud	O
and	O
microservices	O
deployments	O
,	O
and	O
service	B-Application
orchestration	I-Application
.	O
</s>
<s>
OpenSAF	B-General_Concept
1.0	O
was	O
released	O
January	O
22	O
,	O
2008	O
.	O
</s>
<s>
Along	O
with	O
the	O
OpenSAF	B-General_Concept
1.0	O
release	O
,	O
the	O
OpenSAF	B-General_Concept
foundation	O
was	O
incepted	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
2.0	O
released	O
on	O
August	O
12	O
,	O
2008	O
,	O
was	O
the	O
first	O
release	O
developed	O
by	O
the	O
OpenSAF	B-General_Concept
community	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
3.0	O
released	O
on	O
June	O
17	O
,	O
2009	O
,	O
included	O
platform	O
management	O
,	O
usability	O
improvements	O
,	O
and	O
Java	O
API	B-Application
support	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
4.0	O
was	O
a	O
milestone	O
release	O
in	O
July	O
2010	O
.	O
</s>
<s>
Nicknamed	O
the	O
"	O
Architecture	O
release	O
"	O
,	O
it	O
introduced	O
significant	O
changes	O
including	O
closing	O
functional	O
gaps	O
,	O
settling	O
internal	O
architecture	O
,	O
enabling	O
in-service	O
upgrade	O
,	O
clarify	O
APIs	B-Application
,	O
and	O
improve	O
modularity	O
.	O
</s>
<s>
Receiving	O
significant	O
interest	O
from	O
industry	O
and	O
academics	O
,	O
OpenSAF	B-General_Concept
held	O
two	O
community	O
conferences	O
in	O
2011	O
,	O
one	O
hosted	O
by	O
MIT	O
University	O
in	O
Boston	O
MA	O
,	O
and	O
a	O
second	O
hosted	O
by	O
Ericsson	O
in	O
Stockholm	O
.	O
</s>
<s>
+	O
Release	O
history	O
Version	O
Release	O
date	O
Notes	O
22	O
January	O
2008	O
Original	O
codebase	O
of	O
NetPlane	O
Core	O
Service	O
(	O
NCS	O
)	O
codebase	O
contributed	O
by	O
Motorola	O
ECC	O
to	O
OpenSAF	B-General_Concept
project	O
.	O
</s>
<s>
Support	O
for	O
spare	O
system	O
controllers	O
(	O
2N	O
+	O
spares	O
)	O
,	O
headless	O
cluster(cloud resilience )	O
,	O
enhanced	O
Python	O
bindings	O
,	O
node	B-Protocol
name	O
logging	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
defines	O
a	O
set	O
of	O
building	O
blocks	O
,	O
collectively	O
providing	O
a	O
mechanism	O
to	O
manage	O
Service	O
Availability	O
(	O
SA	O
)	O
of	O
applications	O
based	O
on	O
resource-capability	O
models	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
is	O
designed	O
for	O
loosely	B-Application
coupled	I-Application
systems	O
with	O
fast	O
interconnections	O
between	O
nodes	O
(	O
i.e.	O
</s>
<s>
This	O
extensibility	O
is	O
provided	O
in	O
large	O
part	O
by	O
the	O
IMM	O
API	B-Application
,	O
used	O
by	O
internal	O
components	O
and	O
core	O
services	O
.	O
</s>
<s>
The	O
platform	O
can	O
exert	O
control	O
over	O
compute	O
and	O
storage	O
resources	O
by	O
defining	O
as	O
Objects	O
,	O
to	O
be	O
managed	O
as	O
(	O
component	O
service	O
)	O
instances	O
and/or	O
node	B-Protocol
constraints	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
software	O
is	O
distributed	O
in	O
nature	O
,	O
following	O
the	O
primary/replica	B-Operating_System
architecture	I-Operating_System
.	O
</s>
<s>
types	O
of	O
nodes	O
which	O
can	O
be	O
divided	O
into	O
those	O
that	O
manage	O
an	O
individual	O
node	B-Protocol
and	O
control	O
plane	O
.	O
</s>
<s>
The	O
OpenSAF	B-General_Concept
System	O
Model	O
is	O
the	O
key	O
enabler	O
API	B-Application
,	O
allowing	O
OpenSAF	B-General_Concept
to	O
process	O
and	O
validate	O
requests	O
,	O
and	O
update	O
the	O
state	O
of	O
objects	O
in	O
the	O
AMF	O
model	O
,	O
allowing	O
directors	O
to	O
schedule	O
workloads	O
and	O
service	O
groups	O
across	O
worker/payload	O
nodes	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
lacks	O
obvious	O
modeling	O
toolchains	O
to	O
simplify	O
design	O
and	O
generation	O
of	O
AMF	O
configuration	O
Models	O
.	O
</s>
<s>
Ongoing	O
research	O
to	O
address	O
this	O
gap	O
,	O
needs	O
to	O
deliver	O
ecosystem	O
tools	O
,	O
to	O
better	O
support	O
modeling	O
and	O
automation	O
of	O
carrier-grade	O
and	O
Cloud	B-Application
Native	I-Application
Computing	I-Application
Foundation	I-Application
use	O
cases	O
.	O
</s>
<s>
The	O
OpenSAF	B-General_Concept
System	O
Controller	O
(	O
SC	O
)	O
is	O
the	O
main	O
controlling	O
unit	O
of	O
the	O
cluster	O
,	O
managing	O
its	O
workload	O
and	O
directing	O
communication	O
across	O
the	O
system	O
.	O
</s>
<s>
The	O
OpenSAF	B-General_Concept
control	O
plane	O
consists	O
of	O
various	O
components	O
,	O
each	O
its	O
own	O
process	O
,	O
that	O
can	O
run	O
both	O
on	O
a	O
single	O
SC	O
node	B-Protocol
or	O
on	O
multiple	O
SC	O
nodes	O
,	O
supporting	O
high-availability	B-General_Concept
clusters	I-General_Concept
and	O
service	O
availability	O
.	O
</s>
<s>
The	O
various	O
components	O
of	O
the	O
OpenSAF	B-General_Concept
control	O
plane	O
are	O
as	O
follows	O
:	O
</s>
<s>
Provides	O
a	O
means	O
to	O
define	O
and	O
manage	O
middleware	O
and	O
application	B-Application
configuration	O
and	O
state	O
information	O
in	O
the	O
form	O
of	O
managed	O
objects	O
and	O
their	O
corresponding	O
attributes	O
.	O
</s>
<s>
Like	O
Apache	B-Language
ZooKeeper	I-Language
,	O
IMM	O
guarantees	O
transaction-level	O
consistency	O
of	O
configuration	O
data	O
over	O
availability/performance	O
(	O
see	O
CAP	B-Operating_System
theorem	I-Operating_System
)	O
.	O
</s>
<s>
The	O
IMM	O
service	O
follows	O
the	O
three-tier	O
OpenSAF	B-General_Concept
"	O
Service	O
Director	O
"	O
framework	O
,	O
comprising	O
IMM	O
Director	O
(	O
IMMD	O
)	O
,	O
IMM	O
Node	B-Protocol
Director	O
(	O
IMMND	O
)	O
,	O
and	O
IMM	O
Agent	O
library	O
(	O
IMMA	O
)	O
.	O
</s>
<s>
IMMD	O
tracks	O
cluster	O
membership	O
(	O
using	O
MDS	O
)	O
,	O
provides	O
data	O
store	O
access	O
control	O
,	O
and	O
administrative	O
interface	O
for	O
all	O
OpenSAF	B-General_Concept
services	O
.	O
</s>
<s>
AMF	O
follows	O
the	O
three-tier	O
OpenSAF	B-General_Concept
"	O
Service	O
Director	O
"	O
,	O
comprising	O
director	O
(	O
AmfD	O
)	O
,	O
node	B-Protocol
director	O
(	O
AmfND	O
)	O
,	O
and	O
agents	O
(	O
AmfA	O
)	O
,	O
and	O
an	O
internal	O
watchdog	O
for	O
AmfND	O
protection	O
.	O
</s>
<s>
Node	B-Protocol
directors	O
perform	O
the	O
same	O
function	O
for	O
any	O
component	O
within	O
its	O
scope	O
.	O
</s>
<s>
It	O
ensures	O
state	O
models	O
are	O
in	O
agreement	O
by	O
acting	O
as	O
the	O
main	O
information	O
and	O
API	B-Application
bridge	O
across	O
all	O
components	O
.	O
</s>
<s>
Components	O
are	O
grouped	O
into	O
logical	O
Service	O
Units	O
(	O
SU	O
)	O
,	O
according	O
to	O
fault	O
inter-dependencies	O
,	O
and	O
associated	O
with	O
a	O
Node	B-Protocol
.	O
</s>
<s>
A	O
Node	B-Protocol
is	O
a	O
compute	O
instance	O
(	O
a	O
blade	O
,	O
hypervisor	O
,	O
or	O
VM	O
)	O
where	O
service	O
instances	O
(	O
workload	O
)	O
are	O
deployed	O
.	O
</s>
<s>
Every	O
node	B-Protocol
in	O
the	O
cluster	O
must	O
run	O
an	O
execution	O
environment	O
for	O
services	O
,	O
as	O
well	O
as	O
OpenSAF	B-General_Concept
services	O
listed	O
below	O
:	O
</s>
<s>
Node	B-Protocol
director	O
(	O
AmfND	O
)	O
:	O
The	O
AmfND	O
is	O
responsible	O
for	O
the	O
running	O
state	O
of	O
each	O
node	B-Protocol
,	O
ensuring	O
all	O
active	O
SU	O
on	O
that	O
node	B-Protocol
are	O
healthy	O
.	O
</s>
<s>
The	O
AmfND	O
service	O
enforces	O
the	O
desired	O
AMF	O
configuration	O
,	O
persisted	O
in	O
IMM	O
,	O
on	O
the	O
node	B-Protocol
.	O
</s>
<s>
When	O
a	O
node	B-Protocol
failure	O
is	O
detected	O
,	O
the	O
director	O
(	O
AmfD	O
)	O
observes	O
this	O
state	O
change	O
and	O
launches	O
a	O
service	O
unit	O
on	O
another	O
eligible	O
healthy	O
node	B-Protocol
.	O
</s>
<s>
Non-SA-Aware	O
component	O
:	O
OpenSAF	B-General_Concept
can	O
provide	O
HA	O
(	O
but	O
not	O
SA	O
)	O
for	O
instantiable	O
components	O
originating	O
from	O
cloud	B-General_Concept
computing	I-General_Concept
,	O
Containerization	B-Application
,	O
Virtualization	B-General_Concept
,	O
and	O
JVM	B-Language
domains	O
,	O
by	O
modeling	O
the	O
component	O
and	O
service	O
lifecycle	O
commands	O
(	O
start/stop/health	O
check	O
)	O
in	O
the	O
AMF	O
Model	O
.	O
</s>
<s>
Container-contained	O
:	O
An	O
AMF	O
container-contained	O
can	O
reside	O
inside	O
a	O
SU	O
.	O
</s>
<s>
The	O
container-contained	O
is	O
the	O
lowest	O
level	O
of	O
runtime	O
which	O
can	O
be	O
instantiated	O
.	O
</s>
<s>
The	O
SA-Aware	O
container-contained	O
component	O
currently	O
targets	O
a	O
Java	B-Language
Virtual	I-Language
Machine	I-Language
(	O
JVM	B-Language
)	O
per	O
JSR139	O
.	O
</s>
<s>
The	O
basic	O
scheduling	O
unit	O
in	O
OpenSAF	B-General_Concept
is	O
a	O
Service	O
Unit	O
(	O
SU	O
)	O
.	O
</s>
<s>
A	O
SU	O
consists	O
of	O
one	O
or	O
more	O
components	O
that	O
are	O
guaranteed	O
to	O
be	O
co-located	O
on	O
the	O
same	O
node	B-Protocol
.	O
</s>
<s>
AmfND	O
monitors	O
the	O
state	O
of	O
SUs	O
,	O
and	O
if	O
not	O
in	O
the	O
desired	O
state	O
,	O
re-deploys	O
to	O
the	O
same	O
node	B-Protocol
if	O
possible	O
.	O
</s>
<s>
AmfD	O
can	O
start	O
the	O
SU	O
on	O
another	O
Node	B-Protocol
if	O
required	O
by	O
the	O
redundancy	O
model	O
.	O
</s>
<s>
The	O
SG	O
is	O
a	O
grouping	O
mechanism	O
that	O
lets	O
OpenSAF	B-General_Concept
maintain	O
the	O
number	O
of	O
instances	O
declared	O
for	O
a	O
given	O
SG	O
.	O
</s>
<s>
An	O
OpenSAF	B-General_Concept
Service	O
Instance	O
(	O
SI	O
)	O
is	O
a	O
set	O
of	O
SU	O
that	O
work	O
together	O
,	O
such	O
as	O
one	O
tier	O
of	O
a	O
multi-tier	O
application	B-Application
.	O
</s>
<s>
Filesystems	O
available	O
to	O
OpenSAF	B-General_Concept
SU	O
's	O
are	O
potentially	O
ephemeral	O
storage	O
,	O
by	O
default	O
.	O
</s>
<s>
If	O
the	O
node	B-Protocol
is	O
destroyed/recreated	O
the	O
data	O
is	O
lost	O
on	O
that	O
Node	B-Protocol
.	O
</s>
<s>
Volumes	O
mounted	O
at	O
specific	O
mount	O
points	O
on	O
the	O
Node	B-Protocol
are	O
owned	O
by	O
a	O
specific	O
SG	O
,	O
so	O
that	O
instance	O
cannot	O
be	O
shared	O
with	O
other	O
SG	O
using	O
the	O
same	O
file	O
system	O
mount	O
point	O
.	O
</s>
<s>
The	O
OpenSAF	B-General_Concept
architecture	O
is	O
distributed	O
and	O
runs	O
in	O
a	O
cluster	O
of	O
logical	O
nodes	O
.	O
</s>
<s>
All	O
of	O
the	O
OpenSAF	B-General_Concept
services	O
either	O
have	O
3-Tier	O
or	O
2-Tier	O
architecture	O
.	O
</s>
<s>
In	O
the	O
3-Tiered	O
architecture	O
,	O
OpenSAF	B-General_Concept
services	O
are	O
partitioned	O
into	O
a	O
service	O
Director	O
,	O
a	O
service	O
Node-Director	O
and	O
an	O
Agent	O
.	O
</s>
<s>
The	O
Director	O
is	O
part	O
of	O
an	O
OpenSAF	B-General_Concept
service	O
with	O
central	O
service	O
intelligence	O
.	O
</s>
<s>
Typically	O
it	O
is	O
a	O
process	O
on	O
the	O
controller	O
node	B-Protocol
.	O
</s>
<s>
The	O
Node	B-Protocol
Directors	O
co-ordinate	O
node	B-Protocol
scoped	O
service	O
activities	O
such	O
as	O
messaging	O
with	O
its	O
central	O
Director	O
and	O
its	O
local	O
Agents	O
.	O
</s>
<s>
The	O
Agent	O
provides	O
service	O
capabilities	O
available	O
to	O
clients	O
by	O
way	O
of	O
a	O
(	O
shared	O
)	O
linkable	O
library	O
that	O
exposes	O
well-defined	O
service	O
APIs	B-Application
to	O
application	B-Application
processes	O
.	O
</s>
<s>
Agents	O
typically	O
talk	O
to	O
their	O
service	O
Node	B-Protocol
Directors	O
or	O
Servers	O
.	O
</s>
<s>
The	O
optional	O
services	O
can	O
be	O
enabled	O
or	O
disabled	O
during	O
the	O
build/packaging	O
of	O
OpenSAF	B-General_Concept
.	O
</s>
<s>
OpenSAF	B-General_Concept
can	O
be	O
configured	O
to	O
use	O
TCP	O
or	O
TIPC	O
as	O
the	O
underlying	O
transport	O
.	O
</s>
<s>
Nodes	O
can	O
be	O
dynamically	O
added/deleted	O
to/from	O
the	O
OpenSAF	B-General_Concept
cluster	O
at	O
run	O
time	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
cluster	O
scales	O
well	O
up	O
several	O
hundred	O
nodes	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
supports	O
the	O
following	O
language	O
bindings	O
for	O
the	O
AIS	O
interface	O
APIs	B-Application
:	O
</s>
<s>
OpenSAF	B-General_Concept
provides	O
command-line	O
tools	O
and	O
utilities	O
for	O
the	O
management	O
of	O
the	O
OpenSAF	B-General_Concept
cluster	O
and	O
applications	O
.	O
</s>
<s>
All	O
OpenSAF	B-General_Concept
services	O
are	O
designed	O
to	O
support	O
in-service	O
upgrades	O
.	O
</s>
<s>
The	O
following	O
SA	O
Forum	O
's	O
AIS	O
services	O
are	O
implemented	O
by	O
OpenSAF	B-General_Concept
5.0	O
.	O
</s>
<s>
Cluster	O
Membership	O
Service	O
(	O
CLM	O
)	O
–	O
Determines	O
whether	O
a	O
node	B-Protocol
is	O
healthy	O
enough	O
to	O
be	O
a	O
part	O
of	O
the	O
cluster	O
.	O
</s>
<s>
Checkpoint	O
Service	O
(	O
CKPT	O
)	O
–	O
For	O
saving	O
application	B-Application
states	O
and	O
incremental	O
updates	O
that	O
can	O
be	O
used	O
to	O
restore	O
service	O
during	O
failover	O
or	O
switchover	O
.	O
</s>
<s>
Provides	O
a	O
mechanism	O
to	O
track	O
the	O
status	O
of	O
the	O
OS	O
,	O
the	O
hardware	O
(	O
FRU	O
)	O
and	O
to	O
perform	O
administrative	O
operations	O
in	O
coordination	O
with	O
the	O
OpenSAF	B-General_Concept
services	O
and	O
applications	O
.	O
</s>
<s>
Software	O
Management	O
Framework	O
(	O
SMF	O
)	O
–	O
Support	O
for	O
an	O
automated	O
in-service	O
upgrade	O
of	O
application	B-Application
,	O
middleware	O
,	O
and	O
OS	O
across	O
the	O
cluster	O
.	O
</s>
<s>
Network	O
Equipment	O
Providers	O
will	O
be	O
the	O
primary	O
users	O
of	O
products	O
based	O
on	O
the	O
OpenSAF	B-General_Concept
code	O
base	O
,	O
integrating	O
them	O
into	O
their	O
products	O
for	O
network	O
service	O
providers	O
,	O
carriers	O
,	O
and	O
operators	O
.	O
</s>
<s>
Many	O
network	O
equipment	O
providers	O
have	O
demonstrated	O
their	O
support	O
for	O
OpenSAF	B-General_Concept
by	O
joining	O
the	O
Foundation	O
and/or	O
contributing	O
to	O
the	O
Open	O
Source	O
project	O
.	O
</s>
<s>
Current	O
Foundation	O
Members	O
include	O
:	O
Ericsson	O
,	O
HP	O
,	O
and	O
Oracle	B-Application
.	O
</s>
<s>
Several	O
providers	O
of	O
computing	O
and	O
communications	O
technology	O
also	O
have	O
indicated	O
support	O
for	O
the	O
OpenSAF	B-General_Concept
initiative	O
including	O
,	O
OpenClovis	O
SAFplus	O
,	O
Emerson	O
Network	O
Power	O
Embedded	O
Computing	O
,	O
Continuous	O
Computing	O
,	O
Wind	O
River	O
,	O
IP	O
Infusion	O
,	O
Tail-f	O
,	O
Aricent	O
,	O
Rancore	O
Technologies	O
,	O
GoAhead	O
Software	O
,	O
and	O
MontaVista	O
Software	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
is	O
commonly	O
used	O
as	O
a	O
way	O
to	O
achieve	O
carrier-grade	O
(	O
five-nines	O
)	O
service	O
availability	O
.	O
</s>
<s>
OpenSAF	B-General_Concept
is	O
functionally	O
complete	O
but	O
lacks	O
the	O
ecosystem	O
of	O
modeling	O
tools	O
available	O
to	O
other	O
open-source	B-Application
solutions	O
like	O
Kubernetes	B-General_Concept
and	O
Docker	B-Language
Swarm	I-Language
.	O
</s>
