LISA '07 – Abstract
Pp. 167–181 of the Proceedings
Usher: An Extensible Framework for Managing Clusters of Virtual Machines
Marvin McNett, Diwaker Gupta, Amin Vahdat, and Geoffrey M. Voelker, University of California, San Diego
Usher is a virtual machine management system designed to impose
few constraints upon the computing environment under its management.
Usher enables administrators to choose how their virtual machine
environment will be configured and the policies under which they will
be managed. The modular design of Usher allows for alternate
implementations for authentication, authorization, infrastructure
handling, logging, and virtual machine scheduling. The design
philosophy of Usher is to provide an interface whereby users and
administrators can request virtual machine operations while delegating
administrative tasks for these operations to modular plugins. Usher's
implementation allows for arbitrary action to be taken for nearly any
event in the system. Since July 2006, Usher has been used to manage
virtual clusters at two locations under very different settings,
demonstrating the flexibility of Usher to meet different virtual
machine management requirements.
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