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oai:www.ideals.illinois.edu:2142/81979 2023-07-11 col_2142_5131 col_2142_10761 com_2142_5130 com_2142_10755 com_2142_234

Nahrstedt, Klara Li, Baochun 2015-09-25T20:21:17Z 2015-09-25T20:21:17Z 10000-01-01 2000 2000 Third, in order to optimally design the reconfiguration rules in configurators so that the best possible application QoS is achieved, we designed mechanisms and protocols for the Quality of Service probing and profiling services, named QualProbes, for the discovery of relationships among QoS parameters and reconfiguration actions. Fourth, estimation errors and significant end-to-end delay may obstruct desired accurate adaptation measures. We devised an optimal state prediction approach to estimate current states based on available state observations. Finally, we present a gateway-centric approach that facilitates on-the-fly reconfiguration of client-server mappings. We have built a prototype of the Agilos architecture, and validated it with OmniTrack, a client-server based omni-directional visual tracking system. In this work, we show that the Agilos architecture effectively achieves the best possible performance with respect to the most critical QoS parameter, the tracking precision, while the adaptive actions are stable, flexible and configurable according to the needs of individual applications. Made available in DSpace on 2015-09-25T20:21:17Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9971118.pdf: 9058687 bytes, checksum: 9fdcd4ba440162931564442fc992c555 (MD5) Previous issue date: 2000 Embargo set by: Seth Robbins for item 83260 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 173 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2000. http://hdl.handle.net/2142/81979 (MiAaPQ)AAI9971118 eng Computer Science """Agilos"": A Middleware Control Architecture for Application -Aware Quality of Service Adaptations" text Computer Science Computer Science University of Illinois at Urbana-Champaign Dissertation Ph.D.