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Proceedings Paper

VMedia: enhanced multimedia services in virtualized systems
Author(s): Himanshu Raj; Balasubramanian Seshasayee; Karsten Schwan
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Paper Abstract

This paper presents the VMedia multimedia virtualization framework, for sharing media devices among multiple virtual machines (VMs). The framework provides logical media devices, exported via a well defined, higher level, multimedia access interface, to the applications and operating system running in a VM. By using semantically meaningful information, rather than low-level raw data, within the VMedia framework, efficient virtualization solutions can be created for physical devices shared by multiple VMs. Experimental results demonstrate that the base cost of virtual device access via VMedia is small compared to native physical device access, and in addition, that these costs scale well with an increasing number of guest VMs. Here, VMedia's MediaGraph abstraction is a key contributor, since it also allows the framework to support dynamic restructuring, in order to adapt device accesses to changing requirements. Finally, VMedia permits platforms to offer new and enhanced logical device functionality at lower costs than those achievable with alternative solutions.

Paper Details

Date Published: 28 January 2008
PDF: 12 pages
Proc. SPIE 6818, Multimedia Computing and Networking 2008, 68180N (28 January 2008); doi: 10.1117/12.775139
Show Author Affiliations
Himanshu Raj, Georgia Institute of Technology (United States)
Balasubramanian Seshasayee, Georgia Institute of Technology (United States)
Karsten Schwan, Georgia Institute of Technology (United States)


Published in SPIE Proceedings Vol. 6818:
Multimedia Computing and Networking 2008
Reza Rejaie; Roger Zimmermann, Editor(s)

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