Proceedings of the 2000 ACM/IEEE conference on Supercomputing
Concurrent multipath transfer using SCTP multihoming over independent end-to-end paths
IEEE/ACM Transactions on Networking (TON)
A transport layer approach for improving end-to-end performance and robustness using redundant paths
ATEC '04 Proceedings of the annual conference on USENIX Annual Technical Conference
Quality-adaptive scheduling for live streaming over multiple access networks
Proceedings of the 20th international workshop on Network and operating systems support for digital audio and video
Video streaming using a location-based bandwidth-lookup service for bitrate planning
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
Journal of Network and Computer Applications
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Multimedia streaming is increasing in popularity and has become one of the dominating services on the Internet today. Even though user devices are often equipped with multiple network interfaces and in reach of several access networks at the same time, media streams are normally communicated over only one of the available Internet connections. In this paper, we explore the challenges and potential benefits of using multiple access networks simultaneously. Exploiting HTTP's capability of handling requests for specific byte ranges of a file, we present the implementation of a lightweight, application-layer, on-demand streaming service that requires no changes to existing servers and infrastructure. Based on real-world experiments with a multihomed host, we investigate the potential performance gains of video-on-demand playout. We achieve a bandwidth aggregation efficiency of 90% when downloading over 3 heterogeneous access networks in parallel. In addition, we analyze the effect of file segmentation on the buffer requirements and the startup latency.