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ARC: a bottom-up approach to negotiated QoS

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3 Author(s)
H. van Dijk ; Fac. of Inf. Technol. & Syst., Delft Univ. of Technol., Netherlands ; K. Langendoen ; H. Sips

Mobile systems operate in a resource-scarce environment and thus must adapt to external conditions; all layers must make cost-based decisions about what mode of operation to use in response to performance feedback. This paper focuses on the generic interface between adjacent layers (client and server) in a multi-level hierarchy. The Adaptive Research Contracts (ARC) framework uses a bottom-up approach in which the server exposes a range of quality/cost modes to the client above. This allows the client to trade off various algorithms generating different workloads for multiple resources. A case study shows that control can be distributed effectively over multiple layers with ARC; global cost-effective solutions can be obtained by exchanging a small fraction of all possible control settings

Published in:

Mobile Computing Systems and Applications, 2000 Third IEEE Workshop on.

Date of Conference: