- Sufficient computing resources to perform required tasks
- Sufficient communication bandwidth and latency among system components
- Bounded, deterministic management of time, computational sequence and reaction to external events
- Continuously available despite failures and damage
- Free from errors that impact mission
- Lifecycle cost effectiveness, including low cost of ownership and ease of change
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From the Script: SLIDE 72 - Computing Cornerstones
Much of the emphasis on this slide derives from the original author's domain ó military systems. However, the comments apply to any/all systems that have the characteristics of: reliability, mission criticality, longevity, etc.
The author characterizes the bulleted terms as the "cornerstone" concepts of "mission critical" systems. These should remind those in the audience that there are a number of issues (hardware and software) that go into making a system that "works".
On the next slide, additional information is provided that helps to conclude that Ada is the right choice where these six cornerstones are important.