libboincexec: A generic virtualization approach for the BOINC middleware

Authors

Diogo Ferreira
Filipe Araujo
Patricio Domingues

Abstract

BOINC is a client-server desktop grid middleware that has grown to power very large computational projects. BOINC clients request computing jobs to a central server and run them alongside other regular applications. Unfortunately, this kind of execution causes two kinds of problems. Firstly, developers must port their application to every single operating system target, which usually means maintaining several different versions of the same application. Secondly, any application running natively on desktop grid hardware is a potential security threat to the volunteer client.\\
During the course of this research we sought an efficient and generic method for alternative execution of jobs in BOINC clients. Our approach is strongly guided by the principles of non-intrusiveness and contains two main components. The first is a library, libboincexec, which is able to control several virtual machines monitors. The second is a modified BOINC wrapper that provides the glue between libboincexec and the middleware.\\
Through the use of this solution we are able to effectively use virtual machines to perform computation on desktop grids. This computation is inherently safe because virtual machines provide sandboxing. Additionally, by targeting the same virtual operating system, the problem of maintaining different versions of an application does not exist, thereby solving the heterogeneity problem of desktop grid nodes.

Keywords

boinc; desktop grids; virtualization; sandboxing;

Subject

Grid Computing

Conference

5th Workshop on Desktop Grids and Volunteer Computing Systems (PCGrid 2011), May 2011

PDF File

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