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
A Context-Aware Decision Engine for Content Adaptation
IEEE Pervasive Computing
TranSquid: Transcoding and Caching Proxy for Heterogenous E-Commerce Environments
RIDE '02 Proceedings of the 12th International Workshop on Research Issues in Data Engineering: Engineering E-Commerce/E-Business Systems (RIDE'02)
AMPS: a flexible, scalable proxy testbed for implementing streaming services
NOSSDAV '04 Proceedings of the 14th international workshop on Network and operating systems support for digital audio and video
An architecture for componentized, network-based media services
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 1
AAA-IDEA '05 Proceedings of the First International Workshop on Advanced Architectures and Algorithms for Internet Delivery and Applications
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Real-time streaming of multimedia content is increasingly becoming a crucial part of networked applications. A logical consequence of this evolution is a growing demand for services that can be applied on these multimedia streams. In this paper, we present our overlay network which provides such multimedia services. Although these services are application-aware and can thus exploit application-specific knowledge, the overlay network itself is completely generic. Consequently, multiple applications can take advantage of the overlay network, even concurrently. Furthermore, the overlay network is highly extensible, meaning additional services can be added to it easily. Besides describing the architecture of the software component of our overlay network, we also discuss the implementation of two example multimedia services. The first service mixes multiple audio streams into a single stream to enable lightweight voice communication in a Networked Virtual Environment. The second service applies face detection on a video stream to generate meaningful avatars in a meeting system called iConnect. The experimental results produced by these two services clearly demonstrate that our overlay network is capable of providing valuable services for a wide range of networked multimedia applications.