<s>
In	O
IBM	B-Device
System	I-Device
z9	I-Device
and	O
successor	O
mainframes	B-Architecture
,	O
the	O
System	O
z	O
Integrated	O
Information	O
Processor	B-Architecture
(	O
zIIP	B-Device
)	O
is	O
a	O
special	O
purpose	O
processor	B-Architecture
.	O
</s>
<s>
It	O
was	O
initially	O
introduced	O
to	O
relieve	O
the	O
general	O
mainframe	B-Architecture
central	O
processors	O
(	O
CPs	O
)	O
of	O
specific	O
Db2	B-Application
processing	O
loads	O
,	O
but	O
currently	O
is	O
used	O
to	O
offload	O
other	O
z/OS	B-Application
workloads	O
as	O
described	O
below	O
.	O
</s>
<s>
The	O
idea	O
originated	O
with	O
previous	O
special	O
purpose	O
processors	O
,	O
the	O
zAAP	B-Language
,	O
which	O
offloads	O
Java	B-Language
processing	O
,	O
and	O
the	O
IFL	B-Application
,	O
which	O
runs	O
Linux	O
and	O
z/VM	O
but	O
not	O
other	O
IBM	O
operating	O
systems	O
such	O
as	O
z/OS	B-Application
,	O
DOS/VSE	B-Application
and	O
TPF	B-Operating_System
.	O
</s>
<s>
A	O
System	O
z	O
PU	O
(	O
processor	B-Architecture
unit	O
)	O
is	O
"	O
characterized	O
"	O
as	O
one	O
of	O
these	O
processor	B-Architecture
types	O
,	O
or	O
as	O
a	O
CP	O
(	O
Central	O
Processor	B-Architecture
)	O
,	O
or	O
SAP	O
(	O
System	O
Assist	O
Processor	B-Architecture
)	O
.	O
</s>
<s>
DB2	B-Application
for	O
z/OS	B-Application
V8	O
was	O
the	O
first	O
application	O
to	O
exploit	O
the	O
zIIP	B-Device
,	O
but	O
now	O
there	O
are	O
several	O
IBM	O
and	O
non-IBM	O
products	O
and	O
technologies	O
that	O
exploit	O
zIIP	B-Device
.	O
</s>
<s>
The	O
zIIP	B-Device
requires	O
a	O
System	B-Device
z9	I-Device
or	O
newer	O
mainframe	B-Architecture
.	O
</s>
<s>
The	O
z/OS	B-Application
1.8	O
and	O
DB2	B-Application
9	O
for	O
z/OS	B-Application
support	O
zIIPs	B-Device
.	O
</s>
<s>
IBM	O
also	O
offers	O
PTFs	B-Application
for	O
z/OS	B-Application
1.6	O
,	O
z/OS	B-Application
1.7	O
,	O
and	O
DB2	B-Application
V8	O
to	O
enable	O
zIIP	B-Device
usage	O
.	O
</s>
<s>
(	O
DB2	B-Application
9	O
for	O
z/OS	B-Application
is	O
the	O
first	O
release	O
of	O
DB2	B-Application
that	O
has	O
support	O
built	O
in	O
.	O
)	O
</s>
<s>
IBM	O
publicly	O
disclosed	O
information	O
about	O
zIIP	B-Device
technology	O
on	O
January	O
24	O
,	O
2006	O
.	O
</s>
<s>
The	O
zIIP	B-Device
hardware	O
(	O
i.e.	O
</s>
<s>
microcode	O
,	O
as	O
the	O
processors	O
hardware	O
does	O
not	O
currently	O
differ	O
from	O
general	O
purpose	O
CPUs	B-Device
)	O
became	O
generally	O
available	O
in	O
May	O
,	O
2006	O
.	O
</s>
<s>
The	O
z/OS	B-Application
and	O
DB2	B-Application
PTFs	B-Application
to	O
take	O
advantage	O
of	O
the	O
zIIP	B-Device
hardware	O
became	O
generally	O
available	O
in	O
late	O
June	O
,	O
2006	O
.	O
</s>
<s>
zIIPs	B-Device
add	O
lower	O
cost	O
capacity	O
for	O
four	O
types	O
of	O
DB2	B-Application
work	O
:	O
</s>
<s>
Remote	O
DRDA	B-Language
access	O
via	O
TCP/IP	B-Protocol
.	O
</s>
<s>
This	O
category	O
includes	O
JDBC	B-Language
and	O
ODBC	B-Application
access	O
to	O
DB2	B-Application
,	O
including	O
access	O
across	O
LPARs	B-Device
via	O
HiperSockets	B-Device
,	O
such	O
as	O
Linux	B-Application
on	I-Application
IBM	I-Application
Z	I-Application
.	O
</s>
<s>
The	O
exception	O
is	O
access	O
to	O
DB2	B-Application
V8	O
stored	O
procedures	O
,	O
which	O
redirect	O
a	O
small	O
portion	O
of	O
the	O
work	O
.	O
</s>
<s>
DB2	B-Application
9	O
native	O
remote	O
SQL	O
procedures	O
do	O
use	O
the	O
zIIP	B-Device
.	O
</s>
<s>
DB2	B-Application
9	O
can	O
increase	O
the	O
amount	O
of	O
parallel	O
processing	O
and	O
thus	O
use	O
the	O
zIIP	B-Device
more	O
.	O
</s>
<s>
XML	B-Protocol
parsing	O
in	O
DB2	B-Application
can	O
use	O
zIIP	B-Device
processors	O
or	O
zAAP	B-Language
processors	O
.	O
</s>
<s>
Certain	O
DB2	B-Application
utilities	O
processing	O
.	O
</s>
<s>
Although	O
Db2	B-Application
for	O
z/OS	B-Application
was	O
the	O
first	O
product	O
released	O
that	O
exploited	O
zIIP	B-Device
processors	O
,	O
it	O
is	O
not	O
limited	O
to	O
just	O
Db2	B-Application
or	O
IBM	O
products	O
.	O
</s>
<s>
The	O
zIIP	B-Device
speciality	O
CPU	B-General_Concept
can	O
also	O
be	O
used	O
for	O
IPSec	O
processing	O
in	O
TCP/IP	B-Protocol
,	O
certain	O
general	O
XML	B-Protocol
processing	O
,	O
and	O
IBM	O
's	O
Scalable	B-Application
Architecture	I-Application
for	I-Application
Financial	I-Application
Reporting	I-Application
.	O
</s>
<s>
In	O
August	O
,	O
2007	O
,	O
Shadow	O
,	O
a	O
mainframe	B-Architecture
middleware	O
product	O
,	O
now	O
owned	O
by	O
Rocket	O
Software	O
,	O
introduced	O
the	O
first	O
zIIP	B-Device
eligible	O
integration	O
for	O
environments	O
other	O
than	O
DB2	B-Application
,	O
expanding	O
the	O
benefit	O
of	O
specialty	O
engines	O
to	O
include	O
Adabas	O
,	O
CICS	O
,	O
IMS	O
,	O
IDMS	O
and	O
VSAM	O
.	O
</s>
<s>
Other	O
third-party	O
independent	B-Application
software	I-Application
vendors	I-Application
(	O
"	O
ISVs	O
"	O
)	O
have	O
introduced	O
support	O
for	O
execution	O
of	O
their	O
products	O
on	O
zIIPs	B-Device
.	O
</s>
<s>
For	O
example	O
;	O
the	O
CA	O
NetMaster	O
Network	O
Management	O
for	O
TCP/IP	B-Protocol
product	O
can	O
run	O
both	O
its	O
main	O
task	O
and	O
packet	O
analyzer	O
subtask	O
on	O
a	O
zIIP	B-Device
.	O
</s>
<s>
Rocket	O
Software	O
claims	O
that	O
their	O
Shadow	O
server	O
will	O
allow	O
99%	O
of	O
the	O
integration	O
processing	O
,	O
such	O
as	O
SQL	O
to	O
non-relational	O
data	O
queries	O
and	O
Web	O
services/SOA	O
workloads	O
,	O
to	O
be	O
zIIP	B-Device
eligible	O
and	O
run	O
outside	O
of	O
the	O
General	O
Purpose	O
Processor	B-Architecture
.	O
</s>
<s>
Ivory	O
Server	O
for	O
z/OS	B-Application
from	O
GT	O
Software	O
,	O
Inc	O
.	O
provides	O
zIIP	B-Device
support	O
for	O
XML	B-Protocol
parsing	O
,	O
XML	B-Protocol
payload	O
construction	O
and	O
data	O
conversion	O
processing	O
.	O
</s>
<s>
Additionally	O
Ivory	O
Server	O
supports	O
the	O
zAAP	B-Language
processor	B-Architecture
using	O
the	O
optional	O
IBM	B-Application
z/OS	I-Application
XML	B-Protocol
Services	O
and	O
the	O
IFL	B-Application
processor	B-Architecture
with	O
Linux	B-Application
on	I-Application
IBM	I-Application
Z	I-Application
.	O
</s>
<s>
Ivory	O
Server	O
and	O
Ivory	O
Studio	O
(	O
the	O
Ivory	O
IDE	B-Application
)	O
provide	O
options	O
that	O
allow	O
clients	O
to	O
manage	O
the	O
workload	O
offloaded	O
to	O
the	O
zIIP	B-Device
Specialty	O
CPU	B-General_Concept
from	O
the	O
GP	O
CPU	B-General_Concept
.	O
</s>
<s>
Commercial	O
software	O
developers	O
,	O
subject	O
to	O
certain	O
qualification	O
rules	O
,	O
may	O
obtain	O
technical	O
details	O
from	O
IBM	O
on	O
how	O
to	O
take	O
advantage	O
of	O
zIIP	B-Device
under	O
a	O
Non-Disclosure	O
Agreement	O
.	O
</s>
<s>
The	O
IBM	B-Device
z13	I-Device
merges	O
the	O
zAAP	B-Language
functionality	O
with	O
zIIPs	B-Device
so	O
that	O
zAAP-eligible	O
work	O
now	O
uses	O
zIIP	B-Device
instead	O
.	O
</s>
<s>
Furthermore	O
,	O
IFL	B-Application
and	O
zIIP	B-Device
processors	O
on	O
the	O
IBM	B-Device
z13	I-Device
,	O
as	O
they	O
use	O
the	O
z13	B-Device
microprocessor	I-Device
,	O
have	O
simultaneous	B-Operating_System
multithreading	I-Operating_System
(	O
SMT	O
)	O
capability	O
.	O
</s>
<s>
Use	O
of	O
zIIPs	B-Device
is	O
supported	O
in	O
IBM	O
Z	O
Operational	O
Log	O
and	O
Data	O
Analytics	O
and	O
IBM	O
Z	O
Anomaly	O
Analytics	O
with	O
Watson	O
.	O
</s>
<s>
IBM	O
Z	O
Operational	O
Log	O
and	O
Data	O
Analytics	O
is	O
a	O
software	O
that	O
collects	O
IT	O
operational	O
data	O
from	O
z/OS	B-Application
systems	O
,	O
transforms	O
it	O
to	O
a	O
consumable	O
format	O
,	O
and	O
streams	O
it	O
to	O
analytics	O
platforms	O
,	O
or	O
to	O
the	O
included	O
operational	O
data	O
analysis	O
platform	O
which	O
provides	O
insights	O
to	O
help	O
visualize	O
and	O
search	O
operational	O
data	O
to	O
help	O
identify	O
the	O
cause	O
of	O
operational	O
issues	O
.	O
</s>
<s>
IBM	O
Z	O
Anomaly	O
Analytics	O
is	O
software	O
that	O
collects	O
IT	O
operational	O
data	O
from	O
z/OS	B-Application
systems	O
,	O
but	O
uses	O
historical	O
IBM	O
Z	O
metric	O
and	O
log	O
data	O
to	O
build	O
a	O
model	O
of	O
normal	O
operational	O
behavior	O
,	O
then	O
analyzes	O
real-time	O
operational	O
data	O
through	O
comparison	O
with	O
the	O
model	O
of	O
normal	O
operations	O
to	O
detect	O
and	O
alert	O
IT	O
operations	O
of	O
anomalous	O
behavior	O
.	O
</s>
<s>
When	O
the	O
Z	O
Common	O
Data	O
Provider	O
in	O
IBM	O
Z	O
Operational	O
Log	O
and	O
Data	O
Analytics	O
and	O
IBM	O
Z	O
Anomaly	O
Analytics	O
with	O
Watson	O
is	O
used	O
to	O
stream	O
operational	O
data	O
,	O
the	O
zIIP	B-Device
offload	O
function	O
can	O
be	O
enabled	O
,	O
and	O
then	O
the	O
System	O
Data	O
Engine	O
component	O
of	O
the	O
Z	O
Common	O
Data	O
Provider	O
can	O
offload	O
eligible	O
work	O
from	O
general	O
purpose	O
processors	O
to	O
zIIP	B-Device
processors	O
.	O
</s>
<s>
However	O
,	O
this	O
offloading	O
might	O
add	O
additional	O
overhead	O
in	O
CPU	B-General_Concept
time	O
.	O
</s>
<s>
If	O
there	O
is	O
not	O
enough	O
capacity	O
on	O
zIIP	B-Device
processors	O
,	O
z/OS	B-Application
may	O
redirect	O
zIIP	B-Device
eligible	O
work	O
to	O
general	O
CPUs	B-Device
when	O
all	O
zIIPs	B-Device
are	O
busy	O
.	O
</s>
<s>
The	O
additional	O
(	O
overhead	O
)	O
CPU	B-General_Concept
time	O
to	O
use	O
zIIP	B-Device
processors	O
can	O
surpass	O
the	O
CPU	B-General_Concept
time	O
that	O
is	O
offloaded	O
to	O
zIIP	B-Device
processors	O
.	O
</s>
<s>
Or	O
even	O
,	O
the	O
general	O
CPU	B-General_Concept
usage	O
is	O
increased	O
.	O
</s>
