Optimized caching in systems with heterogeneous client populations
Performance Evaluation - Special issue on internet performance modelling
Segment-based proxy caching of multimedia streams
Proceedings of the 10th international conference on World Wide Web
Mocha: a quality adaptive multimedia proxy cache for internet streaming
NOSSDAV '01 Proceedings of the 11th international workshop on Network and operating systems support for digital audio and video
Analysis of educational media server workloads
NOSSDAV '01 Proceedings of the 11th international workshop on Network and operating systems support for digital audio and video
A survey of web caching schemes for the Internet
ACM SIGCOMM Computer Communication Review
Web caching and replication
Optimal proxy management for multimedia streaming in content distribution networks
NOSSDAV '02 Proceedings of the 12th international workshop on Network and operating systems support for digital audio and video
Distributing Layered Encoded Video through Caches
IEEE Transactions on Computers
Multimedia Caching Strategies for Heterogeneous Application and ServerEnvironments
Multimedia Tools and Applications
Accelerating Internet Streaming Media Delivery using Network-Aware Partial Caching
ICDCS '02 Proceedings of the 22 nd International Conference on Distributed Computing Systems (ICDCS'02)
Streaming Media Caching Algorithms for Transcoding Proxies
ICPP '02 Proceedings of the 2002 International Conference on Parallel Processing
Measurement and analysis of a streaming-media workload
USITS'01 Proceedings of the 3rd conference on USENIX Symposium on Internet Technologies and Systems - Volume 3
Scalable proxy caching of video under storage constraints
IEEE Journal on Selected Areas in Communications
QoS-adaptive proxy caching for multimedia streaming over the Internet
IEEE Transactions on Circuits and Systems for Video Technology
An information-aware QoE-centric mobile video cache
Proceedings of the 19th annual international conference on Mobile computing & networking
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With the development of the broadband Internet, multimedia services have been widely deployed and contributed to a significant amount of today's Internet traffic. Like normal web objects (e.g., HTML pages and images), media objects can benefit from proxy caching; yet their unique features such as huge size and high bandwidth demand imply that conventional proxy caching strategies have to be substantially revised. Moreover, in the current Internet, clients are highly heterogeneous; it is necessary to differentiate their Quality-of-Service (QoS) requirements in streaming. However, the presence of an intermediate proxy in a streaming system poses great challenges to designers. This paper proposes a novel QoS-based algorithm for media streaming with proxy caching. We employ layered coding and transmission, and jointly consider the problems of caching and scheduling to improve the QoS for the clients. We derive general and effective solutions to the problems and evaluate their performance under various configurations. The results demonstrate that the proposed algorithm can accommodate diverse QoS demands from the clients, and yet satisfy stringent resource limits.