NDLI: Dynamic reconfiguration for complex multimedia applications

Content Provider	IEEE Xplore Digital Library
Author	Baochun Li Nahrstedt, K.
Copyright Year	1999
Description	Author affiliation: Dept. of Comput. Sci., Illinois Univ., Urbana, IL, USA (Baochun Li)
Abstract	Current state-of-the-art distributed multimedia applications require an environment that provides stable quality of service (QoS). However, these applications typically run on best-effort heterogeneous platforms, and compete with other applications or connections for end system and network resources, hence suffer from instability and dynamic variations with regards to QoS. We present a dynamically reconfigurable middleware control architecture to enhance adaptation awareness of these applications. Our middleware architecture allows for detecting QoS fluctuations in the surrounding environment and signaling optimal control actions to the application. Furthermore, we discuss the design of a core component, the Configurator, that adopts a fuzzy control approach to compute optimal control actions. Preliminary experimental results with a distributed visual tracking application show that our approach is viable and effective in controlling adaptive applications.
Starting Page	165
Ending Page	170
File Size	640351
Page Count	6
File Format	PDF
ISBN	0769502539
DOI	10.1109/MMCS.1999.779141
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-06-07
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality of service Middleware Application software Optimal control Programmable control Adaptive control Bandwidth Contracts NASA Centralized control
Content Type	Text
Resource Type	Article

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