Memo to Google

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Natural Evolution of Software, Not Devolution

Two important innovations since the times of time-sharing:
multitasking and virtualization. Whereas time sharing was marked by
batch jobs run serially, multitasking allowed for sharing of computing
power between concurrent program processes and virtualization took
that one step further and allowed for sharing of the computer by
multiple operating system stacks. I wouldn't call it a reversion back to
time-sharing principles but a continuous evolution from sharing of
computing power for different programs-jobs, then different
concurrent processes, and now different operating system instances.
Don't get the impression that that any of this looks like the monolithic
days of mainframes; server farms are built upon redundancy of all
components and commodity hardware.

Posted by: Adam J   Posted on: 03/24/09 You are currently: a Guest | Members login | Terms of Use

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