Date of Original Version

2-2005

Type

Technical Report

Rights Management

All Rights Reserved

Abstract or Description

Today, management and tuning questions are approached using if...then... rules of thumb. This reactive approach requires expertise regarding of system behavior, making it difficult to deal with unforeseen uses of a system’s resources and leading to system unpredictability and large system management overheads. We propose a What...if... approach that allows interactive exploration of the effects of system changes, thus converting complex tuning problem into simpler search problems. Through two concrete management problems, automating system upgrades and deciding on service migrations, we identify system design changes that enable a system to answer What...if... questions about itself.

Comments

3rd International Workshop on Self-adaptive and Autonomic Computing Systems. Copenhagen, Denmark, August 2005

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