The Future of Java(tm) on System i(tm)
Blair Wyman, IBM

February 20, 2007 FASUG Meeting

Support for Java technology in i5/OS is in the midst of fundamental change, as IBM converges on a single virtual machine implementation across all its platforms. This session details the change embodied by the adoption of this new VM - its content, timeline, rationale and impacts - and charts IBM's progress so far.

This new VM brings with it known impacts - good and bad - to compatibility, performance, and long-term migration. These impacts are outlined, along with IBM's plans for their automatic detection and mitigation in most cases.

Impacts that defy automatic mitigation are expected to be rare; i5/OS facilities for their identification will be described and demonstrated.

By the end of this session, you will understand: Java support in i5/OS, and how it is changing; the timeline of the change, and where we are in it; the impacts of the change, both good and bad; and how to determine whether to try the new VM for yourself.

Our Speaker, Blair Wyman, started with IBM Rochester in 1988, working in the Systems Evaluation area testing V1R2. Blair then moved into the System Licensed Internal Code (SLIC) where he worked on the Optimizing Translator component and MI Transformer components as part of the effort to introduce the Integrated Languages Environment (ILE).

Later, when Java was first being introduced to the AS/400, Blair designed and implemented the Java Native Interface (JNI) on AS/400, and then helped develop the Remote Abstract Windowing Toolkit (AWT). Since V5R2 Blair has been working on a variety of projects, while remaining involved with Java, and is currently involved in rolling out information about the new IBM Technology for Java VM, being introduced to System i5 in V5R4.

Blair has a B.S. in Mathematics from the University of South Dakota in Vermillion, and an M.S. in Computer Science from South Dakota School of Mines and Technology. For fun, Blair enjoys playing the guitar, and loves a good game of foosball

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