MediaBroker: An Architecture for Pervasive Computing

Authors:
Martin Modahl;Ilya Bagrak;Matthew Wolenetz;Phillip Hutto;Umakishore Ramachandran
Affiliations:
-;-;-;-;-
Venue:
PERCOM '04 Proceedings of the Second IEEE International Conference on Pervasive Computing and Communications (PerCom'04)
Year:
2004

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Abstract

MediaBroker is a distributed framework designed tosupport pervasive computing applications. Specifically,the architecture consists of a transport engine and peripheralclients and addresses issues in scalability, datasharing, data transformation and platform heterogeneity.Key features of MediaBroker are a type-aware datatransport that is capable of dynamically transformingdata en route from source to sinks; an extensible systemfor describing types of streaming data; and the interactionbetween the transformation engine and the type system.Details of the MediaBroker architecture and implementationare presented in this paper. Through experimentalstudy, we show reasonable performance for selectedstreaming media-intensive applications. For example,relative to baseline TCP performance, MediaBrokerincurs under 11% latency overhead and achieves roughly80% of the TCP throughput when streaming items largerthan 100 KB across our infrastructure.