This is not news - at least that's what I learned from watching 24 & Jack Bauer.

Then why is the HP Public Cloud built on Ubuntu Linux?? http://blog.canonical.com/2011/10/06/ubuntu-powers-hp-public-cloud/

BTW, it was discussed on the Oracle Linux forum that Oracle does support existing CentOS installations.

If downtime cost is non-zero and money is an issue, you can try Oracle Linux. It is free for download & use / deploy, includes optional support, and it is compatible with Red Hat Enterprise Linux and CentOS. A lot of people argue that Redhat develops RHEL, so they pay Redhat for support. However, that is not fair to the other contributors - the Linux kernel is developed by many others including IBM, Novell/SuSE, AMD, Intel, and yes, Oracle. Redhat packages a lot of code from many open source projects (I know that is a lot of work), but most of the code is not contributed by any single individual or company. For example, filesystems like Brtfs & OCFS are developed by Oracle, and performance fixes including OLTP, Infiniband, and SSD disk access, NUMA-optimizations, RDS, async I/O, OCFS, and networking are contributed by Oracle as well. And the Oracle "Unbreakable Enterprise Kernel" is developed by Oracle and licensed under GPLv2.

Old news.
Google told us to use search for emails since day 1 of GMail.

Grid Computing:
- Platform LSF: from the Utopia research project at the University of Toronto. Platform's revenue is well over $70M in 2010.
- Sun Grid Engine (now Oracle Grid Engine & the open-source Open Grid Scheduler): from DQS at the Florida State University

Cloud Computing:
- Eucalyptus: from the University of California, Santa Barbara

HPC middleware:
- Open MPI - PhD thesis, powering the #1 TOP500 supercomputer

But you didn't count the power and cooling costs... not to mention that space does cost something!