February 13, 2014
"I can check at any point whether that architectural representation matches the stuff that has been developed, the stuff that I want to develop. That gives you control over the whole round-trip, and that’s what gives you predictability."
December 26, 2013
"The operating systems in safety-critical, embedded systems have very different characteristics than in standard computer systems. Of course, you can’t accept that your operating system fails the same way that your home operating system could fail. "
January 17, 2013
"When people do the system-safety analysis, they are focused on the physical parts failing, and they understand that part. But the consequence of that in software today is still not very well understood. "
December 06, 2012
"If you make an architectural decision that promotes interoperability or modifiability, this can have a negative impact on other qualities such as availability, reliability, security, or performance. Making these trade-offs is one of the hardest parts of architecting and designing any system. "
September 04, 2012
"Of course the other big question is, do we really need to go into a quantifiable aspect of debt, or is it good enough to just state in the metaphor realm? I tend to believe that if we can't measure it, we can't control it."
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