On the Multiple Facets of Performance and Implications to System Architectures

00:00 08-05-2006

System performance is multi-dimensional. Although we are witnessing constant improvement in (nearly) all dimensions, the rates vary dramatically. This has given rise to the need to constantly revisit assumptions and reconsider system configurations. In this talk, we will use examples to provide some interesting insights and to illustrate the interplay among different dimensions of performance in the context of architecting a system. Examples will come from everyday life, satellite communication, ballistic-missile interception, computer storage systems and distributed computer systems. The lesson to be learned is that understanding the exact performance requirements and goals may pave the way to dramatic improvements. In other words, fully understanding a problem is at least as important as coming up with novel solutions.

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