29CLEAN EMBEDDED ARCHITECTURE
By James Grenning
A while ago I read an article entitled “The Growing Importance of Sustaining Software for the DoD”1 on Doug Schmidt’s blog. Doug made the following claim:
“Although software does not wear out, firmware and hardware become obsolete, thereby requiring software modifications.”
It was a clarifying moment for me. Doug mentioned two terms that I would have thought to be obvious—but maybe not. Software is this thing that can have a long useful life, but firmware will become obsolete as hardware evolves. If you have spent any time in embedded systems development, you know the hardware is continually evolving ...
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