<s>
Cisco	B-Application
Unified	I-Application
Computing	I-Application
System	I-Application
(	O
UCS	O
)	O
is	O
a	O
data	B-Operating_System
center	I-Operating_System
server	B-Application
computer	I-Application
product	O
line	O
composed	O
of	O
server	O
hardware	B-Architecture
,	O
virtualization	B-General_Concept
support	O
,	O
switching	B-Architecture
fabric	I-Architecture
,	O
and	O
management	B-Application
software	I-Application
,	O
introduced	O
in	O
2009	O
by	O
Cisco	O
Systems	O
.	O
</s>
<s>
The	O
products	O
are	O
marketed	O
for	O
scalability	B-Architecture
by	O
integrating	O
many	O
components	O
of	O
a	O
data	B-Operating_System
center	I-Operating_System
that	O
can	O
be	O
managed	O
as	O
a	O
single	O
unit	O
.	O
</s>
<s>
The	O
computing	O
component	O
of	O
the	O
UCS	O
is	O
available	O
in	O
two	O
versions	O
:	O
the	O
B-series	O
(	O
a	O
powered	O
chassis	O
and	O
full	O
and/or	O
half	O
slot	O
blade	B-Architecture
servers	I-Architecture
)	O
,	O
and	O
the	O
C-series	O
for	O
19-inch	B-Application
racks	I-Application
(	O
that	O
can	O
be	O
used	O
with	O
fabric	O
interconnects	O
)	O
.	O
</s>
<s>
The	O
computer	B-Architecture
hardware	I-Architecture
managed	O
by	O
the	O
UCS	O
Manager	O
software	O
on	O
the	O
fabric	O
Interconnects	O
can	O
be	O
any	O
combination	O
of	O
the	O
two	O
.	O
</s>
<s>
Both	O
form	O
factors	O
use	O
standard	O
components	O
,	O
including	O
Intel	O
x86-64	B-Device
processors	O
and	O
DIMM	B-General_Concept
memory	O
.	O
</s>
<s>
The	O
servers	O
are	O
marketed	O
with	O
converged	B-Protocol
network	I-Protocol
adapters	I-Protocol
and	O
port	O
virtualization	B-General_Concept
.	O
</s>
<s>
Cisco	B-Application
UCS	I-Application
supports	O
several	O
hypervisors	B-Operating_System
including	O
VMware	B-Operating_System
ESXi	I-Operating_System
,	O
Microsoft	O
Hyper-V	O
and	O
Citrix	B-Application
Systems	I-Application
 '	O
Xen	B-Operating_System
server	O
.	O
</s>
<s>
VMware	O
provides	O
a	O
special	O
version	O
of	O
ESXi	B-Operating_System
.	O
</s>
<s>
In	O
2017	O
Cisco	O
announced	O
a	O
partnership	O
with	O
Docker	B-Language
to	O
include	O
its	O
enterprise	O
software	O
in	O
UCS	O
products	O
to	O
directly	O
provide	O
operating-system-level	B-Application
virtualization	I-Application
(	O
containerization	O
)	O
.	O
</s>
<s>
The	O
Cisco	O
fabric	O
interconnects	O
(	O
FI	O
)	O
provide	O
network	O
connectivity	O
for	O
the	O
chassis	O
,	O
blade	B-Architecture
servers	I-Architecture
and	O
rack	O
servers	O
connected	O
to	O
it	O
through	O
different	O
speeds	O
of	O
Ethernet	O
and	O
Fibre	B-Protocol
Channel	I-Protocol
over	I-Protocol
Ethernet	I-Protocol
(	O
FCoE	B-Protocol
)	O
.	O
</s>
<s>
The	O
fabric	O
interconnects	O
are	O
derived	O
from	O
the	O
Nexus	O
5500	O
and	O
9300	O
series	O
switch	O
families	O
and	O
run	O
NX-OS	B-Operating_System
as	O
well	O
as	O
UCS	O
Manager	O
software	O
.	O
</s>
<s>
FCoE	B-Protocol
allows	O
connection	O
to	O
storage	O
area	O
network	O
storage	O
,	O
To	O
allow	O
stateless	O
compute	O
in	O
addition	O
to	O
local	O
storage	O
capacity	O
.	O
</s>
<s>
By	O
2012	O
,	O
analysts	O
noticed	O
that	O
Fibre	B-Architecture
Channel	I-Architecture
vendors	O
such	O
as	O
Brocade	O
Communications	O
Systems	O
had	O
already	O
lost	O
market	O
share	O
to	O
Cisco	O
.	O
</s>
<s>
Virtual	B-Architecture
machines	I-Architecture
can	O
be	O
moved	O
from	O
one	O
physical	O
chassis	O
to	O
another	O
,	O
applications	O
may	O
be	O
moved	O
between	O
virtual	B-Architecture
machines	I-Architecture
,	O
and	O
management	O
may	O
even	O
be	O
conducted	O
remotely	O
from	O
an	O
iPhone	B-Device
using	O
SiMU	O
-	O
Simple	O
iPhone	B-Device
Management	O
of	O
UCS	O
.	O
</s>
<s>
Cisco	O
offers	O
a	O
UCSM	O
Platform	O
Emulator	O
,	O
where	O
the	O
full	O
logical	O
configuration	O
of	O
a	O
server	O
can	O
be	O
created	O
from	O
the	O
user	O
interface	O
or	O
the	O
API	O
methods	O
,	O
and	O
later	O
applied	O
to	O
the	O
physical	O
hardware	B-Architecture
.	O
</s>
