Tag Archives: deadline

Defining real-time systems

In this post, I want to briefly discuss a broadly-misused term, and attempt to define it. When I say broadly misused, I mean exactly that. Whether on the job or elsewhere — such as today, at a webinar run by a prestigious analytics firm — the truth is most people who routinely use IT services do not have a proper understanding of the terms ‘real time’ or ‘real-time system.’ Continue reading


Critical path, missed deadlines, schedule compression, and working smarter

The critical path approach to project scheduling was developed at Dupont and Rand in the late 1950s. It involves defining project activities and their relative dependencies, and ascertaining what the sequence of critical tasks of longest duration is, and hence what the overall project timeline is which cannot be shortened — given that by definition there is no slack on the critical path. Note that there can be several near-critical paths.

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