Observation based vs. model based admission control for interactive multimedia sessions
MULTIMEDIA '03 Proceedings of the eleventh ACM international conference on Multimedia
Interactive media server with media synchronized RAID storage system
NOSSDAV '05 Proceedings of the international workshop on Network and operating systems support for digital audio and video
Deadline-constrained media uploading systems
Multimedia Tools and Applications
Data placement and prefetching with accurate bit rate control for interactive media server
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
Arrangement of multi-dimensional scalable video data for heterogeneous clients
Information Systems
Data reorganization for scalable video service with embedded mobile devices
ACM Transactions on Embedded Computing Systems (TECS) - Special issue on embedded systems for interactive multimedia services (ES-IMS)
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The use of interactive media has already gained considerable popularity. Interactivity gives viewers VCR controls like slow-motion, pause, fast-forward, and instant replay. However, traditional server-based or client-based approaches for supporting interactivity either consume too much network bandwidth or require large client buffering; and hence they are economically unattractive. We propose the architecture and design of an interactive media proxy (IMP) server that transforms noninteractive broadcast or multicast streams into interactive ones for servicing a large number of end users. For IMP to work cost-effectively, it must carefully manage its storage devices, which are needed for caching voluminous media data. In this regard, we propose a fine-grained device management strategy consisting of three complementary components: disk profiler, data placement, and IO scheduler. Through quantitative analysis and experiments, we show that these fine-grained strategies considerably improve device throughput under various workload scenarios.