ARC: a bottom-up approach to negotiated QoS
- 1 December 2000
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 128-137
- https://doi.org/10.1109/mcsa.2000.895388
Abstract
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.Keywords
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