By Robert Rosen, SHARE member and close friend of John Hogan
My history with John goes back to the 1970s. While I knew of John at SHARE, I did not really get to know him until he became SHARE president. He appointed me to the SHARE Advisory Council as a as a deputy division manager.
Did you know this year marks 50 years of mainframe virtualization? In fact, the majority of the concepts of virtualization on all platforms began on mainframes. What many mainframers today don’t realize is that they benefit from this long history.
This year marks an exciting milestone in the history of mainframe virtualization. In January 1967, production use began on the CP-40, a research system on which MIT and IBM researchers first tested the concept of virtual memory.