<s>
GridWay	B-Operating_System
is	O
an	O
open-source	B-Application
meta-scheduling	B-Operating_System
technology	O
that	O
enables	O
large-scale	O
,	O
secure	O
,	O
reliable	O
and	O
efficient	O
sharing	O
of	O
computing	O
resources	O
(	O
clusters	O
,	O
computing	O
farms	O
,	O
servers	O
,	O
supercomputers	O
...	O
)	O
,	O
managed	O
by	O
different	O
distributed	B-General_Concept
resource	I-General_Concept
management	I-General_Concept
systems	I-General_Concept
(	O
DRMS	O
)	O
,	O
such	O
as	O
SGE	B-Operating_System
,	O
HTCondor	B-Operating_System
,	O
PBS	B-Application
or	O
LSF	B-Operating_System
,	O
within	O
a	O
single	O
organization	O
(	O
enterprise	O
grid	O
)	O
or	O
scattered	O
across	O
several	O
administrative	O
domains	O
(	O
partner	O
or	O
supply-chain	O
grid	O
)	O
.	O
</s>
<s>
To	O
this	O
end	O
,	O
GridWay	B-Operating_System
supports	O
several	O
Grid	O
middlewares	O
.	O
</s>
<s>
GridWay	B-Operating_System
provides	O
end	O
users	O
and	O
application	O
developers	O
with	O
a	O
scheduling	O
framework	O
similar	O
to	O
that	O
found	O
on	O
local	O
DRMS	O
,	O
allowing	O
to	O
submit	O
,	O
monitor	O
,	O
synchronize	O
and	O
control	O
jobs	O
by	O
means	O
of	O
a	O
DRMS-like	O
command	B-Application
line	I-Application
interface	I-Application
(	O
gwsubmit	O
,	O
gwwait	O
,	O
gwkill	O
...	O
)	O
and	O
DRMAA	B-Operating_System
(	O
an	O
OGF	O
standard	O
)	O
.	O
</s>
<s>
GridWay	B-Operating_System
performs	O
job	O
execution	O
management	O
and	O
resource	O
brokering	O
,	O
allowing	O
unattended	O
,	O
reliable	O
,	O
and	O
efficient	O
execution	O
of	O
jobs	O
,	O
array	O
jobs	O
,	O
or	O
complex	O
jobs	O
on	O
heterogeneous	O
,	O
dynamic	O
and	O
loosely	O
coupled	O
Grids	O
.	O
</s>
<s>
GridWay	B-Operating_System
performs	O
all	O
the	O
job	B-General_Concept
scheduling	I-General_Concept
and	O
submission	O
steps	O
transparently	O
to	O
the	O
end	O
user	O
and	O
adapts	O
job	O
execution	O
to	O
changing	O
Grid	O
conditions	O
by	O
providing	O
fault	O
recovery	O
mechanisms	O
,	O
dynamic	O
scheduling	O
,	O
migration	O
on-request	O
and	O
opportunistic	O
migration	O
.	O
</s>
<s>
The	O
GridWay	B-Operating_System
framework	O
is	O
a	O
light	O
component	O
for	O
meta-scheduling	B-Operating_System
in	O
the	O
Grid	O
Ecosystem	O
intended	O
for	O
end	O
users	O
and	O
grid	O
application	O
developers	O
.	O
</s>
