<s>
ObjectiveFS	B-Application
is	O
a	O
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
developed	O
by	O
Objective	O
Security	O
Corp	O
.	O
</s>
<s>
ObjectiveFS	B-Application
implements	O
a	O
log	O
structured	O
file	O
system	O
on	O
top	O
of	O
object	O
stores	O
(	O
such	O
as	O
Amazon	O
S3	O
,	O
Google	O
Cloud	O
Storage	O
and	O
other	O
object	O
store	O
devices	O
)	O
.	O
</s>
<s>
One	O
main	O
difference	O
between	O
ObjectiveFS	B-Application
and	O
GlusterFS/CephFS	O
is	O
that	O
it	O
offloads	O
the	O
storage	O
cluster	O
management	O
to	O
cloud	O
providers	O
(	O
Amazon/Google	O
)	O
.	O
</s>
<s>
ObjectiveFS	B-Application
software	O
runs	O
on	O
the	O
server	O
and	O
talks	O
to	O
the	O
object	O
store	O
using	O
S3	O
API	O
.	O
</s>
<s>
When	O
there	O
are	O
multiple	O
servers	O
sharing	O
the	O
same	O
files	O
,	O
it	O
handles	O
the	O
negotiation	O
with	O
other	O
sharing	O
servers	O
(	O
also	O
running	O
ObjectiveFS	B-Application
)	O
.	O
</s>
