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¨The IBM System i, then known as the AS/400, was the
continuation of the System/38 database=
machine architecture
(announced by IBM in October 1978 and delivered in August 1979). The AS/4=
00 removed [3]<=
/span> The AS/400 added source compatibi=
lity
with the System/36 combining the two p=
rimary
computers manufactured by the IBM Rochester plant. The System/36 was IBM's most successf=
ul
mini-computer but the architecture had reached its limit. The first AS/40=
0 systems (known by t=
he
development code names Silverlake and Olympic) were delivered in 1988, an=
d the product line ha=
s been
refreshed continually since then. The programmers who worked on OS/400 the operating syste=
m of
the AS/400, did not have a UNIX background. Dr Frank So=
ltis , the chief =
architect, says tha=
t this
is the main difference between this and any other operating system.
<=
/span>
¨The AS/400 was one of the first general-purpose comput=
er
systems to attain a C2 security rating from the [4]<=
/span>), and in 1995 was
extended to employ a 64-bit processor and oper=
ating
system.
¨In 2000 IBM renamed the AS/400 to iSeries, as part of =
its
e-Server branding initiative. The product line was further extende=
d in
2004 with the introduction of the i5 servers, the first to use the IBM
¨Although announced in 1988, the AS/400 remains IBM's m=
ost
recent major architectural shift that was developed wholly
internally. Since the arrival of Lou Gers=
tner in 1993, Lotus So=
ftware and
¨=
![](3D"slide0003_image006.gif")
¨Companies rely on an efficient IT infrastructure =
to
support business-critical applications. They need to know that their systems and business processes are
deployed to meet the highest service levels defined by their business units plus can be adapt=
ed to
handle every new business opportunity. IBM i (formerly known as i5/OS®) running on an IBM =
Power
Systems™ server offers a highly scalable and virus resistant architecture with a proven reputa=
tion
for exceptional business resiliency. Running applications based on i has helped companies over=
many
years to focus on innovation and delivering new value to their business, not just on managing=
their
data center operations.
¨Having a more dynamic infrastructure is all about
selecting the right systems and software to enable businesses to move with agility and speed. Gettin=
g there
with IBM i means implementing proven solutions
on a platform you can trust. By choosing the latest Power™ platform=
, IBM
i applications get worl=
d class
performance plus dynamic infrastructure flexibility, with the opportunity=
to
lower monthly operations
costs.
¨IBM i integrates a trusted combination of relatio=
nal
database, security, Web services, networking and storage management capabilities. It provides a br=
oad and
highly stable database and middleware foundation for efficiently deploying business pro=
cessing
applications, with support for over 5,000 solutions from over 2,500 ISVs. i solutions are o=
ffered
through an extensive, highly skilled worldwide network of IBM Business Partners that is backed by
IBM’s trusted services and support infrastructure.
¨IBM develops, fully tests and pre-loads the core
middleware components of i together up front, whereas on other platforms, operating system, dat=
abase
and middleware integration is done in the data center. The pre-integration and testing of i=
is a
key factor in enabling companies to deploy applications faster and maintain them with fewer =
staff.
Virtualization and workload management are also built into i to enable you to run multiple
applications and components together on the same system, driving up system utilization and deliver=
ing a
better return on IT investments.
¨=