Performance vs. load vs. stress testing

Here's a good interview question for a tester: how do you define performance/load/stress testing? Many times people use these terms interchangeably, but they have in fact quite different meanings. This post is a quick review of these concepts, based on my own experience, but also using definitions from testing literature -- in particular: "Testing computer software" by Kaner et al, "Software testi

[eller]

definition about performance testing, load testing and stress testing

[somat]

Performance Test と Load Test の違いについて。black box的なほうが Load Test なのか。。Performance Testのほうが包括的