IBM Systems Magazine, Power Systems - June 2018 - 21
Dave Nelson, director,
IBM i (left), and Steve
Will, chief architect, IBM i,
stand in front of one of the
iconic blue buildings at
programmers, of which
there are many, know
that traces of the AS/400, the
singularly designed business
computer unveiled by IBM 30
years ago this month, exist in
today's IBM Power Systems*
servers-at least when those
servers are running IBM i. But
what, precisely, is still in there?
While it's not as simple
as popping open the cover
and examining the wires and
transistors, we can ascertain
the essentials. Sure, there's
code, some at least, and the
integrated database, obviously.
Mostly though, there are pieces
of function and design. Like the
way the processor deals with
cache, or the way the subsystem
is architected, or the fact that
memory is accessible only to the
parts of the OS that need to use it.
"Even as clients take advantage
of modern technologies that allow
them to bring their applications
forward on the platform, the
applications themselves that
they built 20-some years ago can
still run today," says IBM's Dave
Nelson, director, IBM i. "We have
not changed the architecture
* It's important to recognize that the strongest thread
between then and now isn't a few lines of code or
any particular feature or function. It's a set of ideas.
* IBM business partners and ISVs are instrumental in
helping clients move forward.
* With IBM being more public with the detailed product
roadmaps that designers and developers were carefully
plotting from Day 1, the user community has the
assurance it needs.
* The true source of this platform's staying power
through multiple generations of computing comes
from a wide-ranging group of talented people and their
commitment to providing essential tools of business.
JUNE 2018 // 21