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Can't we just get IBM to make J9 free & open? Last I checked, they supported more OSes than Sun did and the VM was pretty speedy too.

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I wonder how encumbered it is with Oracle contractual restrictions? Didn't IBM at one point license Sun code to build its own version of the JVM?

Much of high performance modern VMs (not just JVM) are built on Self project and StrongTalk acquisiotion by Sun. I think Oracle would have quite a few key patents due to this.

Though the Visual works contribution to VM technology cannot be discounted. And it is owned by IBM. So probably IBM and Oracle will not use these patents against each other.

The excellent research done under Jikes project in IBM cannot be forgotten. It to contributed to IBM's patent portofolio.

Bad to reply to own comment, but can't edit it anymore.

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