Controlling quality-of-service in a distributed video application by an adaptive middleware framework

Authors:
David A. Karr;Craig Rodrigues;Joseph P. Loyall;Richard E. Schantz
Affiliations:
Titan Systems Corp., Billerica, MA;BBN Technologies, Cambridge, MA;BBN Technologies, Cambridge, MA;BBN Technologies, Cambridge, MA
Venue:
M3W Proceedings of the 2001 international workshop on Multimedia middleware
Year:
2001

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Abstract

We demonstrate a standards-based middleware platform, including the QuO adaptive middleware framework and the TAO CORBA A/V Streaming Service, for developing adaptive multimedia applications that are better architected and easier to modify than ad-hoc architectures and that can adapt to changes in resource availability to meet QoS requirements. These are presented in the context of an Unmanned Aerial Vehicle (UAV) video distribution application. We present experimental results showing how the UAV application uses adaptive behavior to meet timeliness requirements in the face of restrictions in processing power or network bandwidth.