Content Adaptation Architectures Based on Squid Proxy Server
World Wide Web
An effective cache replacement algorithm in transcoding-enabled proxies
The Journal of Supercomputing
A Flexible Content Adaptation System Using a Rule-Based Approach
IEEE Transactions on Knowledge and Data Engineering
A Novel Dynamic and Scalable Caching Algorithm of Proxy Server for Multimedia Objects
Journal of VLSI Signal Processing Systems
An optimal solution for caching multimedia objects in transcoding proxies
Computer Communications
Multimedia Object Placement for Transparent Data Replication
IEEE Transactions on Parallel and Distributed Systems
Layer 7 Multimedia Proxy Handoff Using Anycast/Multicast in Mobile Networks
IEEE Transactions on Mobile Computing
Cache architecture for on-demand streaming on the Web
ACM Transactions on the Web (TWEB)
Efficient segment-based video transcoding proxy for mobile multimedia services
Journal of Systems Architecture: the EUROMICRO Journal
Cross-layer QoS support for multimedia delivery over wireless internet
EURASIP Journal on Applied Signal Processing
An optimal multimedia object allocation solution in transcoding-enabled wide-area storage systems
Proceedings of the 2nd international conference on Ubiquitous information management and communication
Topographically discounted Internet infrastructure resources: a panel study and econometric analysis
Information Technology and Management
AMTrac: adaptive meta-caching for transcoding
Proceedings of the 2006 international workshop on Network and operating systems support for digital audio and video
A proxy caching system for MPEG-4 video streaming with a quality adaptation mechanism
WSEAS TRANSACTIONS on COMMUNICATIONS
Efficient segment based streaming media transcoding proxy for various types of mobile devices
PCM'07 Proceedings of the multimedia 8th Pacific Rim conference on Advances in multimedia information processing
Coordinated multimedia object replacement in transcoding proxies
The Journal of Supercomputing
Expert Systems with Applications: An International Journal
Building an efficient transcoding overlay for P2P streaming to heterogeneous devices
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP) - Special Issue on P2P Streaming
A resource-adaptive transcoding proxy caching strategy
APWeb'06 Proceedings of the 8th Asia-Pacific Web conference on Frontiers of WWW Research and Development
Dynamic and scalable caching algorithm of proxy server for multiple videos
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part II
Segment based caching replacement algorithm in streaming media transcoding proxy
APNOMS'07 Proceedings of the 10th Asia-Pacific conference on Network Operations and Management Symposium: managing next generation networks and services
Design analysis for real-time video transcoding on cloud systems
Proceedings of the 28th Annual ACM Symposium on Applied Computing
Streaming media service based on fuzzy similarity in wireless mobile networks
The Journal of Supercomputing
Interaction relationships of caches in agent-based HD video surveillance: Discovery and utilization
Journal of Network and Computer Applications
CPU Power Management in Video Transcoding Servers
Proceedings of Network and Operating System Support on Digital Audio and Video Workshop
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With the wide availability of high-speed network access, we are experiencing high quality streaming media delivery over the Internet. The emergence of ubiquitous computing enables mobile users to access the Internet with their laptops, PDAs, or even cell phones. When nomadic users connect to the network via wireless links or phone lines, high quality video transfer can be problematic due to long delay or size mismatch between the application display and the screen. Our proposed solution to this problem is to enable network proxies with the transcoding capability, and hence provide different, appropriate video quality to different network environment. The proxies in our transcoding-enabled caching (TeC) system perform transcoding as well as caching for efficient rich media delivery to heterogeneous network users. This design choice allows us to perform content adaptation at the network edges. We propose three different TeC caching strategies. We describe each algorithm and discuss its merits and shortcomings. We also study how the user access pattern affects the performance of TeC caching algorithms and compare them with other approaches. We evaluate TeC performance by conducting two types of simulation. Our first experiment uses synthesized traces while the other uses real traces derived from an enterprise media server logs. The results indicate that compared with the traditional network caches, with marginal transcoding load, TeC improves the cache effectiveness, decreases the user-perceived latency, and reduces the traffic between the proxy and the content origin server.