Ken Arnold gives a wonderful interview on distributed computing and the inherrent problems associated with it. Brilliantly done, modulo a slightly confusing answer about state; he seems to also be confusing application and session state, in part at least. I can’t imagine developing a system without object state, since for most systems it’s a requirement that state is held persistently. The most important issue is application/session state; keep it in one place if you can, preferably on the client if you need to scale.

He also misses what I believe to be the principle difference between computing at Internet-scale versus the smaller-scale. Then again, a lot of people miss this. Awesome interview though.


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