scale-rule-based.rtf

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\f0\fs24 \cf0 This paper present a approximated way to scaling cloud application, its aims is to marian SLA response time constraint.\
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it operates like firstly, increase the resource level, then increase VM level, scale up/down is triggered based on high/low bound.\
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bad\
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pure rule based and passive optimisation. no conflicting objectives, and the optimisation is approximated as it does not know whether the system would be better after optimisation}