IBM Systems Magazine, Mainframe - January/February 2018 - 17

"I don't think anyone can survive the 'now'
demands of their consumers, users and, in
our case, members, if they don't deploy an
open-architecture environment."
-Keith Wilson, technical architect, USAA

permits the company to leverage
its large amount of data and the
30 years' worth of investment
in existing programs, no matter
the language used to develop
them. This could all be done
without creating new integration
interfaces every time a new
business capability was requested
and no matter the platform on
which the resources are located.
"Some of what we're going
through involves changing
platforms from the mainframe
to a middle tier. The services
and data may still be on the
mainframe, so we're essentially
developing a hybrid platform
that will mostly involve Java*
and whatever else we need to
surround the data residing on
IBM Z*," Wilson notes.
But as USAA learned early in its
RESTful journey, some new Java
applications would run perfectly
fine on the IBM z Integrated
Information Processor while
others-which may have had
heavy I/O or a lot of inter-language
communications with non-Java
programs-would fall back to the
general processor. So the question
became: Did USAA want to use
Java for all new applications, or
just for some parts?

Open and Standardized
Another issue the company had
to address was whether new Java
applications could communicate
via custom USAA-developed

infrastructure pieces that
would continue to be used for
its mainframe-based business
applications.
Wilson soon discovered the
answers to those questions. As he
explains, "If you can develop an
application using just Java, it's
worthwhile doing so. There are
some challenges involved in the
intermixing of Java with non-Java
you have to overcome, but if
you're running under CICS*,
there are some good APIs that
can call out to non-Java programs
from Java programs that work
pretty well."
The larger solution, however,
came in the form of RESTful APIs.
Open yet standardized, embracing
defined formats such as XML,
HTML and JSON, RESTful APIs
can be built to meet developers'
particular needs, across different
application types and their
supporting platforms, including
the mainframe and the cloud.
"I don't think anyone can
survive the 'now' demands of their
consumers, users and, in our case,
members, if they don't deploy an
open-architecture environment. At
this point, it's become an essential
part of offering services that make a
difference to end users. Without it,
you may be doomed," Wilson says.
And this isn't mere hyperbole.
If an organization can't develop
and roll out new services in a
timely fashion, its competitors
might. As with USAA, they're

getting an immediate leg up by
quickly meeting market demands
and, when using open RESTful
APIs, future proofing themselves
when it comes to creating as yet
unknowable technologies.
For its part, USAA is slowly
and deliberately rolling out
RESTful APIs on a use-by-use
basis. For example, it's phasing
it in for service-rep interactions,
including for mobile and browser
applications. Other use cases are
either in the proof-of-concept
stage or have already been or are
soon to launch, as in the case of
its internal service-rep programs.

Flexible and Mobile

R

By developing
RESTful
APIs, USAA
would have a
foundation in
place that allows
it to develop
and deploy
back-and-forth
application
integration within
days or weeks
instead of
months or years

Just as a grizzled and gleeful
miner might shout "there's
gold in them thar hills,"
modern-day organizations of
many stripes are expressing
similar sentiments by opening
their once-closed resources
to the world. And the benefits
seem endless, whether it's
quickly offering new services,
speeding up development time,
or integrating years of data
and legacy applications across
platforms.
For its part, USAA's goal is to
REST-enable as many capabilities
as it can, regardless, for example,
of which platform its core
applications and data are residing
on-the mainframe, in this case.
"This will give us greater
flexibility and mobility to handle
the demand of our capabilities
to service our members and
service reps, introduce quicker
change, improve the user
experience and enhance the
development experience in our
programmer environment,"
Wilson notes.
Jim Utsler, senior writer for
IBM Systems Magazine, has been
covering technology for more than
20 years.

ibmsystemsmag.com JANUARY/FEBRUARY 2018 // 17


http://www.ibmsystemsmag.com

Table of Contents for the Digital Edition of IBM Systems Magazine, Mainframe - January/February 2018

Table of Contents
Editor's Desk: Encryption Importance
Partner POV: Protect Your Assets: An application view of data is important for a point-in-time recovery
Currents: A Human-Centric Approach: IBM Design Thinking leads to an elevated user experience
Feature: Battle-Tested Tools: USAA integrates applications and data across platforms using RESTful APIs
Cover Story: Enterprise Peace of Mind: IBM z14 pervasive encryption protects all data
Feature: Worldwide Preparation: How IBM Z addresses GDPR compliance with pervasive encryption
Special Report: Rising to the Challenge: Survey shows opportunities for Linux on POWER
TECH Showcase: A Plan in Place: Determine which of the 7 levels of business continuity is right for you
Administrator: Improved Protection: Pervasive encryption features include integrated cryto hardware, key management, encryption of data at rest and data in flight, and Secure Service Container support
StopRun: Enthusiastic Education: Instructor brings the mainframe to eager students
Reference Point - Global Events, Education, Resources for Power Systems
2018 Mainframe Solution Edition
IBM Systems Magazine, Mainframe - January/February 2018 - Intro
IBM Systems Magazine, Mainframe - January/February 2018 - Cover1
IBM Systems Magazine, Mainframe - January/February 2018 - Cover2
IBM Systems Magazine, Mainframe - January/February 2018 - 1
IBM Systems Magazine, Mainframe - January/February 2018 - Table of Contents
IBM Systems Magazine, Mainframe - January/February 2018 - 3
IBM Systems Magazine, Mainframe - January/February 2018 - 4
IBM Systems Magazine, Mainframe - January/February 2018 - 5
IBM Systems Magazine, Mainframe - January/February 2018 - Editor's Desk: Encryption Importance
IBM Systems Magazine, Mainframe - January/February 2018 - 7
IBM Systems Magazine, Mainframe - January/February 2018 - Partner POV: Protect Your Assets: An application view of data is important for a point-in-time recovery
IBM Systems Magazine, Mainframe - January/February 2018 - 9
IBM Systems Magazine, Mainframe - January/February 2018 - Currents: A Human-Centric Approach: IBM Design Thinking leads to an elevated user experience
IBM Systems Magazine, Mainframe - January/February 2018 - 11
IBM Systems Magazine, Mainframe - January/February 2018 - 12
IBM Systems Magazine, Mainframe - January/February 2018 - 13
IBM Systems Magazine, Mainframe - January/February 2018 - Feature: Battle-Tested Tools: USAA integrates applications and data across platforms using RESTful APIs
IBM Systems Magazine, Mainframe - January/February 2018 - 15
IBM Systems Magazine, Mainframe - January/February 2018 - 16
IBM Systems Magazine, Mainframe - January/February 2018 - 17
IBM Systems Magazine, Mainframe - January/February 2018 - Cover Story: Enterprise Peace of Mind: IBM z14 pervasive encryption protects all data
IBM Systems Magazine, Mainframe - January/February 2018 - 19
IBM Systems Magazine, Mainframe - January/February 2018 - 20
IBM Systems Magazine, Mainframe - January/February 2018 - 21
IBM Systems Magazine, Mainframe - January/February 2018 - Feature: Worldwide Preparation: How IBM Z addresses GDPR compliance with pervasive encryption
IBM Systems Magazine, Mainframe - January/February 2018 - 23
IBM Systems Magazine, Mainframe - January/February 2018 - 24
IBM Systems Magazine, Mainframe - January/February 2018 - Special Report: Rising to the Challenge: Survey shows opportunities for Linux on POWER
IBM Systems Magazine, Mainframe - January/February 2018 - 26
IBM Systems Magazine, Mainframe - January/February 2018 - 27
IBM Systems Magazine, Mainframe - January/February 2018 - 28
IBM Systems Magazine, Mainframe - January/February 2018 - 29
IBM Systems Magazine, Mainframe - January/February 2018 - 30
IBM Systems Magazine, Mainframe - January/February 2018 - TECH Showcase: A Plan in Place: Determine which of the 7 levels of business continuity is right for you
IBM Systems Magazine, Mainframe - January/February 2018 - 32
IBM Systems Magazine, Mainframe - January/February 2018 - 33
IBM Systems Magazine, Mainframe - January/February 2018 - 34
IBM Systems Magazine, Mainframe - January/February 2018 - Administrator: Improved Protection: Pervasive encryption features include integrated cryto hardware, key management, encryption of data at rest and data in flight, and Secure Service Container support
IBM Systems Magazine, Mainframe - January/February 2018 - 36
IBM Systems Magazine, Mainframe - January/February 2018 - 37
IBM Systems Magazine, Mainframe - January/February 2018 - 38
IBM Systems Magazine, Mainframe - January/February 2018 - 39
IBM Systems Magazine, Mainframe - January/February 2018 - StopRun: Enthusiastic Education: Instructor brings the mainframe to eager students
IBM Systems Magazine, Mainframe - January/February 2018 - Cover3
IBM Systems Magazine, Mainframe - January/February 2018 - Cover4
IBM Systems Magazine, Mainframe - January/February 2018 - Reference Point - Global Events, Education, Resources for Power Systems
IBM Systems Magazine, Mainframe - January/February 2018 - SE
IBM Systems Magazine, Mainframe - January/February 2018 - 2018 Mainframe Solution Edition
IBM Systems Magazine, Mainframe - January/February 2018 - SECover2
IBM Systems Magazine, Mainframe - January/February 2018 - SE3
IBM Systems Magazine, Mainframe - January/February 2018 - SE4
IBM Systems Magazine, Mainframe - January/February 2018 - SE5
IBM Systems Magazine, Mainframe - January/February 2018 - SE6
IBM Systems Magazine, Mainframe - January/February 2018 - SE7
IBM Systems Magazine, Mainframe - January/February 2018 - SE8
IBM Systems Magazine, Mainframe - January/February 2018 - CT1
IBM Systems Magazine, Mainframe - January/February 2018 - CT2
IBM Systems Magazine, Mainframe - January/February 2018 - SE9
IBM Systems Magazine, Mainframe - January/February 2018 - SE10
IBM Systems Magazine, Mainframe - January/February 2018 - SE11
IBM Systems Magazine, Mainframe - January/February 2018 - SE12
IBM Systems Magazine, Mainframe - January/February 2018 - SE13
IBM Systems Magazine, Mainframe - January/February 2018 - SE14
IBM Systems Magazine, Mainframe - January/February 2018 - SE15
IBM Systems Magazine, Mainframe - January/February 2018 - SE16
IBM Systems Magazine, Mainframe - January/February 2018 - SE17
IBM Systems Magazine, Mainframe - January/February 2018 - SE18
IBM Systems Magazine, Mainframe - January/February 2018 - SE19
IBM Systems Magazine, Mainframe - January/February 2018 - SE20
IBM Systems Magazine, Mainframe - January/February 2018 - SE21
IBM Systems Magazine, Mainframe - January/February 2018 - SE22
IBM Systems Magazine, Mainframe - January/February 2018 - SE23
IBM Systems Magazine, Mainframe - January/February 2018 - SE24
IBM Systems Magazine, Mainframe - January/February 2018 - SE25
IBM Systems Magazine, Mainframe - January/February 2018 - SE26
IBM Systems Magazine, Mainframe - January/February 2018 - SE27
IBM Systems Magazine, Mainframe - January/February 2018 - SE28
IBM Systems Magazine, Mainframe - January/February 2018 - SE29
IBM Systems Magazine, Mainframe - January/February 2018 - SE30
IBM Systems Magazine, Mainframe - January/February 2018 - SE31
IBM Systems Magazine, Mainframe - January/February 2018 - SE32
IBM Systems Magazine, Mainframe - January/February 2018 - SE33
IBM Systems Magazine, Mainframe - January/February 2018 - SE34
IBM Systems Magazine, Mainframe - January/February 2018 - SE35
IBM Systems Magazine, Mainframe - January/February 2018 - SE36
IBM Systems Magazine, Mainframe - January/February 2018 - SE37
IBM Systems Magazine, Mainframe - January/February 2018 - SE38
IBM Systems Magazine, Mainframe - January/February 2018 - SE39
IBM Systems Magazine, Mainframe - January/February 2018 - SE40
IBM Systems Magazine, Mainframe - January/February 2018 - SE41
IBM Systems Magazine, Mainframe - January/February 2018 - SE42
IBM Systems Magazine, Mainframe - January/February 2018 - SE43
IBM Systems Magazine, Mainframe - January/February 2018 - SE44
IBM Systems Magazine, Mainframe - January/February 2018 - SE45
IBM Systems Magazine, Mainframe - January/February 2018 - SE46
IBM Systems Magazine, Mainframe - January/February 2018 - SECover3
IBM Systems Magazine, Mainframe - January/February 2018 - SECover4
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