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Dynamic adaptation of stability periods for service level agreements
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A QoS adaptation to dynamically changing system conditions
that takes into consideration the user’s constraints
on the stability of service provisioning is presented. The
goal is to allow the system to make QoS adaptation decisions
in response to fluctuations in task traffic flow, under
the control of the user. We pay special attention to the case
where monitoring the stability period and resource load
variation of Service Level Agreements for different types of
services is used to dynamically adapt future stability periods,
according to a feedback control scheme. System’s
adaptation behaviour can be configured according to a desired
confidence level on future resource usage. The viability
of the proposed approach is validated by preliminary
experiments.
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IEEE